/* ==========================================================================
   DISEÑO SISTEMA DE FERRETERÍA - ESTILOS PREMIUM (MODO OSCURO / CLARO INCLUIDO)
   ========================================================================== */

/* Fuente local: Outfit (autohospedada, ~15KB vs ~31KB de Google Fonts) */
@font-face {
    font-family: 'Outfit';
    font-style: normal;
    font-weight: 300 800;
    font-display: swap;
    src: url('fonts/outfit.woff2') format('woff2');
}

/* Iconos FontAwesome: subset local (~8KB vs ~147KB del CDN + ~100KB del CSS) */
@font-face {
    font-family: 'Font Awesome 6 Free';
    font-style: normal;
    font-weight: 900;
    font-display: block;
    src: url('fonts/fa-solid-subset.woff2') format('woff2');
}
@font-face {
    font-family: 'Font Awesome 6 Free';
    font-style: normal;
    font-weight: 400;
    font-display: block;
    src: url('fonts/fa-regular-subset.woff2') format('woff2');
}
.fa, .fas, .fa-solid, .far, .fa-regular {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-style: normal;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    display: inline-block;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
}
.far, .fa-regular { font-weight: 400; }

/* Iconos FontAwesome: subset CSS (solo íconos usados) */
:root,.fa,.fas,.fa-solid{font-family:'Font Awesome 6 Free';font-weight:900;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1}
.far,.fa-regular{font-weight:400}
.fa-arrow-down:before{content:"\f063"}
.fa-arrow-left:before{content:"\f060"}
.fa-arrow-trend-down:before{content:"\e097"}
.fa-arrow-up:before{content:"\f062"}
.fa-bars:before{content:"\f0c9"}
.fa-basket-shopping:before{content:"\f291"}
.fa-bell:before{content:"\f0f3"}
.fa-boxes-stacked:before{content:"\f468"}
.fa-cart-arrow-down:before{content:"\f218"}
.fa-cart-shopping:before{content:"\f07a"}
.fa-cart-plus:before{content:"\f217"}
.fa-chart-line:before{content:"\f201"}
.fa-chart-pie:before{content:"\f200"}
.fa-check:before{content:"\f00c"}
.fa-circle-check:before{content:"\f058"}
.fa-clock-rotate-left:before{content:"\f1da"}
.fa-credit-card:before{content:"\f09d"}
.fa-database:before{content:"\f1c0"}
.fa-eye:before{content:"\f06e"}
.fa-eye-slash:before{content:"\f070"}
.fa-file-arrow-down:before{content:"\f56d"}
.fa-file-arrow-up:before{content:"\f574"}
.fa-file-invoice-dollar:before{content:"\f571"}
.fa-floppy-disk:before{content:"\f0c7"}
.fa-hand-holding-dollar:before{content:"\f4c0"}
.fa-id-card-clip:before{content:"\f47f"}
.fa-key:before{content:"\f084"}
.fa-layer-group:before{content:"\f5fd"}
.fa-location-dot:before{content:"\f3c5"}
.fa-lock:before{content:"\f023"}
.fa-magnifying-glass:before{content:"\f002"}
.fa-minus:before{content:"\f068"}
.fa-money-bill-transfer:before{content:"\e528"}
.fa-money-bill-trend-up:before{content:"\e529"}
.fa-moon:before{content:"\f186"}
.fa-pen-to-square:before{content:"\f044"}
.fa-phone:before{content:"\f095"}
.fa-play:before{content:"\f04b"}
.fa-plus:before{content:"\2b"}
.fa-plus-minus:before{content:"\e43c"}
.fa-power-off:before{content:"\f011"}
.fa-print:before{content:"\f02f"}
.fa-receipt:before{content:"\f543"}
.fa-right-from-bracket:before{content:"\f2f5"}
.fa-right-to-bracket:before{content:"\f2f6"}
.fa-rotate-left:before{content:"\f2ea"}
.fa-sack-dollar:before{content:"\f81d"}
.fa-scale-balanced:before{content:"\f24e"}
.fa-sun:before{content:"\f185"}
.fa-tag:before{content:"\f02b"}
.fa-tags:before{content:"\f02c"}
.fa-trash:before{content:"\f1f8"}
.fa-trash-can:before{content:"\f2ed"}
.fa-triangle-exclamation:before{content:"\f071"}
.fa-truck-fast:before{content:"\f48b"}
.fa-truck-ramp-box:before{content:"\f4de"}
.fa-unlock:before{content:"\f09c"}
.fa-user:before{content:"\f007"}
.fa-user-plus:before{content:"\f234"}
.fa-user-tag:before{content:"\f507"}
.fa-users:before{content:"\f0c0"}
.fa-users-gear:before{content:"\f509"}
.fa-users-slash:before{content:"\e073"}
.fa-wallet:before{content:"\f555"}
.fa-wand-magic-sparkles:before{content:"\e2ca"}
.fa-xmark:before{content:"\f00d"}
.fa-circle-question:before{content:"\f059"}
.fa-file-excel:before{content:"\f1c3"}
.fa-clock:before{content:"\f017"}

/* Bug 6: tap-highlight + tap-delay 300ms */
button, .btn, [role="button"], a, label, select, input, textarea {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* ====

/* CONFIGURACIÓN Y VARIABLES DEL DISEÑO */
:root {
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* MODO OSCURO (Predeterminado) — gris neutro (pedido de Mariano 2026-07-18: no azul navy) */
    --bg-primary: #101013;
    --bg-secondary: #17171b;
    --bg-tertiary: #232329;
    --card-bg: rgba(23, 23, 27, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);

    --text-primary: #fafafa;
    --text-secondary: #d4d4d8;
    --text-muted: #71717a;
    
    --color-primary: #1d4ed8;
    --color-primary-light: #3b82f6;
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    
    --color-accent: #f97316;
    --color-accent-hover: #ea580c;
    --gradient-accent: linear-gradient(135deg, #f97316 0%, #ef4444 100%);
    
    --color-success: #10b981;
    --gradient-success: linear-gradient(135deg, #059669 0%, #10b981 100%);
    
    --color-danger: #ef4444;
    --gradient-danger: linear-gradient(135deg, #dc2626 0%, #f87171 100%);
    
    --color-warning: #f59e0b;
    --color-info: #06b6d4;
    
    --glass-blur: blur(20px);
    --card-shadow: 0 12px 40px -10px rgba(0, 0, 0, 0.4), 0 0 1px 1px rgba(255, 255, 255, 0.05) inset;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 24px;
    
    --sidebar-width: 260px;
    --header-height: 80px;
}

/* PALETA MODO CLARO */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-border: rgba(0, 0, 0, 0.08);
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #94a3b8;
    
    --color-primary: #2563eb;
    --color-primary-light: #3b82f6;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
    
    --color-accent: #f97316;
    --color-accent-hover: #ea580c;
    --gradient-accent: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    
    --card-shadow: 0 10px 30px -10px rgba(148, 163, 184, 0.15), 0 0 1px 1px rgba(255, 255, 255, 0.5) inset;
}

/* AMBIENT GLOW BACKDROP CIRCLES */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

[data-theme="light"] .ambient-glow {
    opacity: 0.05;
}

.ambient-glow.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary-light);
    top: -100px;
    right: -100px;
    animation: floatOrb1 20s ease-in-out infinite alternate;
}

.ambient-glow.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent);
    bottom: -150px;
    left: -150px;
    animation: floatOrb2 25s ease-in-out infinite alternate;
}

@keyframes floatOrb1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-80px, 50px) scale(1.15); }
}

@keyframes floatOrb2 {
    0% { transform: translate(0, 0) scale(1.1); }
    100% { transform: translate(60px, -60px) scale(0.9); }
}

/* RESET GENERAL Y TIPOGRAFÍA */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* SCROLLBAR PERSONALIZADA */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: var(--transition-fast);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* LAYOUT PRINCIPAL CONTENEDOR */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* SIDEBAR NAVEGACIÓN LATERAL */
.sidebar {
    width: var(--sidebar-width);
    background-color: rgba(23, 23, 27, 0.65);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    z-index: 10;
    transition: var(--transition-normal);
    flex-shrink: 0;
}

[data-theme="light"] .sidebar {
    background-color: rgba(255, 255, 255, 0.65);
}

.sidebar-brand {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--card-border);
}

/* Logo de marca (imagen real de la ferretería) */
.brand-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    color: #fbbf24;
    text-transform: uppercase;
}

.brand-logo-img {
    width: 100%;
    max-width: 210px;
    height: auto;
    display: block;
    filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.45));
}

.login-logo-img {
    max-width: 330px;
    margin: 0 auto;
}

.brand-icon {
    font-size: 26px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rotateSlow 12s linear infinite;
    filter: drop-shadow(0 0 10px rgba(249, 115, 22, 0.3));
}

.brand-text h2 {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 1.5px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.sidebar-menu {
    padding: 24px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item {
    background: none;
    border: none;
    outline: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-fast);
    position: relative;
}

.menu-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(4px);
}

.menu-item:hover i {
    color: var(--color-accent);
}

[data-theme="light"] .menu-item:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.menu-item.active {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 15px -2px rgba(249, 115, 22, 0.4);
}

.menu-item.active i {
    color: white !important;
}

[data-theme="light"] .menu-item.active {
    background: var(--gradient-accent);
    color: white;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--card-border);
    background-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .sidebar-footer {
    background-color: rgba(255, 255, 255, 0.3);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.user-info strong {
    display: block;
    font-size: 13px;
    color: var(--text-primary);
}

.user-info span {
    font-size: 11px;
    color: var(--text-muted);
}

/* CONTENIDO PRINCIPAL */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* HEADER SUPERIOR */
.main-header {
    height: var(--header-height);
    background-color: rgba(23, 23, 27, 0.45);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

[data-theme="light"] .main-header {
    background-color: rgba(255, 255, 255, 0.45);
}

.header-title h1 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.header-title span {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Reloj y Alertas */
.clock-display {
    background-color: rgba(0, 0, 0, 0.15);
    padding: 10px 18px;
    border-radius: var(--border-radius-md);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
    letter-spacing: 0.5px;
}

[data-theme="light"] .clock-display {
    background-color: rgba(255, 255, 255, 0.6);
}

.stock-alerts-indicator {
    position: relative;
    background-color: rgba(239, 68, 68, 0.08);
    color: var(--color-danger);
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    border: 1px solid rgba(239, 68, 68, 0.15);
    transition: var(--transition-bounce);
}

.stock-alerts-indicator:hover {
    background-color: rgba(239, 68, 68, 0.16);
    transform: translateY(-2px) scale(1.05);
    animation: bellWiggle 0.6s ease-in-out infinite;
}

.stock-alerts-indicator .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--color-danger);
    color: white;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
    border: 2px solid var(--bg-secondary);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--card-border);
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--text-secondary);
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition-bounce);
}

[data-theme="light"] .theme-toggle {
    background-color: rgba(255, 255, 255, 0.6);
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--color-accent);
    transform: scale(1.1) rotate(45deg);
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.2);
}

/* CONTENEDOR DINÁMICO */
.tab-content-container {
    flex-grow: 1;
    padding: 28px;
    overflow-y: auto;
    background-color: transparent;
    position: relative;
}

.tab-pane {
    display: none;
    animation: tabSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.tab-pane.active {
    display: block;
}

@keyframes tabSlideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bellWiggle {
    0%, 100% { transform: translateY(-2px) rotate(0deg); }
    15% { transform: translateY(-2px) rotate(-15deg); }
    30% { transform: translateY(-2px) rotate(10deg); }
    45% { transform: translateY(-2px) rotate(-10deg); }
    60% { transform: translateY(-2px) rotate(5deg); }
    75% { transform: translateY(-2px) rotate(-5deg); }
}

/* COMPONENTES CARD GLASSMORPHISM */
.card {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 26px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-normal);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 16px 48px -12px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(255, 255, 255, 0.1) inset;
}

[data-theme="light"] .card:hover {
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 16px 36px -12px rgba(148, 163, 184, 0.2), 0 0 1px 1px rgba(255, 255, 255, 0.6) inset;
}

/* GRID DEL PUNTO DE VENTA (POS) */
.pos-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 24px;
    height: calc(100vh - 200px);
    overflow: hidden;
}

.pos-left-panel, .pos-right-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.pos-search-bar {
    position: relative;
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.pos-search-bar input {
    width: 100%;
    padding: 16px 20px 16px 48px;
    background-color: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 500;
    outline: none;
    transition: var(--transition-fast);
}

[data-theme="light"] .pos-search-bar input {
    background-color: rgba(0, 0, 0, 0.04);
}

.pos-search-bar input:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2), inset 0 2px 4px rgba(0,0,0,0.1);
    background-color: rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .pos-search-bar input:focus {
    background-color: var(--bg-secondary);
}

.pos-search-bar .search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
    transition: var(--transition-fast);
}

.pos-search-bar input:focus + .search-icon {
    color: var(--color-primary-light);
}

/* Resultados predictivos del POS */
.pos-search-results {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    max-height: 250px;
    overflow-y: auto;
    position: absolute;
    top: 58px;
    left: 0;
    right: 70px;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    display: none;
}

#pos-results-box {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    max-height: none;
    flex: 1 1 auto;
    min-height: 0;
    z-index: auto;
    box-shadow: none;
}

.pos-no-results {
    padding: 24px 18px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.result-item {
    padding: 12px 18px;
    border-bottom: 1px solid var(--card-border);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.result-item:hover {
    background-color: var(--bg-tertiary);
}

.result-item .item-info strong {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
}

.result-item .item-info span {
    font-size: 11px;
    color: var(--text-muted);
}

/* Proveedor destacado en los resultados del POS: más grande y con color, para
   distinguir rápido entre proveedores del mismo artículo. */
.result-item .item-info .result-prov {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary-light);
    margin: 3px 0 1px;
}

.result-item .item-info .result-prov i {
    margin-right: 4px;
    font-size: 12px;
}

.result-item .item-info .result-meta {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}

.result-item .item-price {
    font-weight: 700;
    color: var(--color-accent);
    font-size: 15px;
}

.result-item .item-stock-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
}

/* Catálogo Rápido (Favoritos) */
.pos-quick-catalog {
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 4px;
}

.pos-quick-catalog h3 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.quick-card {
    background-color: rgba(0, 0, 0, 0.12);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 16px 14px;
    text-align: center;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 120px;
}

[data-theme="light"] .quick-card {
    background-color: rgba(0, 0, 0, 0.02);
}

.quick-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 10px 20px -5px rgba(249, 115, 22, 0.2);
    background-color: rgba(249, 115, 22, 0.03);
}

.quick-card strong {
    font-size: 12px;
    line-height: 1.4;
    display: block;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.quick-card span {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    margin-top: 8px;
    display: block;
}

.quick-card .stock-small {
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* CARRITO DE COMPRAS */
.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 16px;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.cart-header h2 {
    font-size: 16px;
    font-weight: 700;
}

.cart-table-wrapper {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--card-border);
}

/* TABLAS ESTILO MODERNO */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.table th {
    text-align: left;
    color: var(--text-secondary);
    font-weight: 700;
    padding: 14px 16px;
    background-color: rgba(0, 0, 0, 0.15);
    border-bottom: 2px solid var(--card-border);
}

[data-theme="light"] .table th {
    background-color: rgba(0, 0, 0, 0.02);
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-primary);
    vertical-align: middle;
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.025);
}

[data-theme="light"] .table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.015);
}

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-accent { color: var(--color-accent) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-success { color: var(--color-success) !important; }
.text-primary { color: var(--color-primary-light) !important; }

/* Badges / Etiquetas de Estado */
.badge {
    display: inline-block;
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 800;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.badge-success {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.25);
}
.badge-secondary {
    background-color: rgba(148, 163, 184, 0.12);
    color: var(--text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.25);
}


/* Controles de Cantidad en el Carrito */
.qty-control {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    padding: 2px;
}

.qty-btn {
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 11px;
    transition: var(--transition-fast);
}

.qty-btn:hover {
    background-color: var(--bg-tertiary);
}

.qty-value {
    width: 32px;
    text-align: center;
    font-weight: 700;
    font-size: 13px;
}

.empty-cart-row {
    height: 200px;
}

.empty-cart-icon {
    font-size: 40px;
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0.5;
}

/* TOTALES Y CONFIRMACIÓN DE VENTA */
.cart-totals {
    flex-shrink: 0;
}

.cart-customer-selector, .cart-payment-method {
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.cart-customer-selector label, .cart-payment-method label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.form-select {
    width: 65%;
    padding: 10px 14px;
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    outline: none;
    font-family: var(--font-primary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
}

[data-theme="light"] .form-select {
    background-color: rgba(0, 0, 0, 0.04);
}

.form-select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    background-color: rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .form-select:focus {
    background-color: var(--bg-secondary);
}

.cc-warning-box {
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--border-radius-md);
    padding: 12px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-danger);
    font-weight: 600;
}

.pos-cash-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    background-color: rgba(0, 0, 0, 0.1);
    padding: 14px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--card-border);
}

[data-theme="light"] .pos-cash-input-group {
    background-color: rgba(0, 0, 0, 0.02);
}

.pos-cash-input-group .form-group {
    flex: 1;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    outline: none;
    font-family: var(--font-primary);
    font-size: 16px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: var(--transition-fast);
}

[data-theme="light"] .form-control {
    background-color: rgba(0, 0, 0, 0.04);
}

.form-control:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2), inset 0 2px 4px rgba(0,0,0,0.05);
    background-color: rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .form-control:focus {
    background-color: var(--bg-secondary);
}

.form-control.text-large {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent);
}

.vuelto-display {
    padding: 10px 14px;
    background-color: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-success);
}

[data-theme="light"] .vuelto-display {
    background-color: rgba(16, 185, 129, 0.04);
}

.grand-total-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: var(--border-radius-md);
    margin-bottom: 16px;
    border: 1px solid var(--card-border);
}

.grand-total-box span:first-child {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
}

.grand-total-box span:last-child {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-accent);
}

/* Descuento en el POS */
.cart-discount {
    margin-bottom: 10px;
}
.cart-discount > label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}
.cart-discount-inputs {
    display: flex;
    gap: 8px;
}
.cart-discount-inputs select { flex: 1.4; }
.cart-discount-inputs input { flex: 1; min-width: 0; }

.cart-resumen {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.cart-resumen div {
    display: flex;
    justify-content: space-between;
    padding: 2px 4px;
}

/* BOTONES */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: var(--transition-bounce);
    user-select: none;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    background: var(--gradient-accent);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background-color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    background: var(--gradient-danger);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    background: var(--gradient-success);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--color-info);
    border: 1px solid rgba(6, 182, 212, 0.2);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.05);
}

.btn-info:hover {
    background-color: var(--color-info);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(6, 182, 212, 0.3);
}

.btn-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.05);
}

.btn-warning:hover {
    background-color: var(--color-warning);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

.btn-large {
    padding: 16px 24px;
    font-size: 16px;
    border-radius: var(--border-radius-md);
}

.btn-block {
    width: 100%;
}

/* Acciones secundarias del POS (presupuesto / imprimir ticket) bajo el botón de venta */
.pos-secondary-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

/* PANTALLA INVENTARIO Y EXCEL */
.inventario-controls {
    margin-bottom: 24px;
}

.search-filters {
    display: flex;
    align-items: center;
    gap: 16px;
}

.filter-search {
    position: relative;
    flex-grow: 1;
    margin-bottom: 0;
}

.filter-search input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    background-color: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    outline: none;
}

.filter-search .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Área Drag & Drop Excel */
.excel-integration-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
    border-top: 1px solid var(--card-border);
    padding-top: 20px;
    align-items: stretch;
}

/* Tarjeta apilada (vertical) para el convertidor y la vista previa, a diferencia de
   .excel-card que es horizontal (ícono + texto + botón en fila). */
.panel-card {
    background-color: rgba(16, 185, 129, 0.04);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 20px;
}

.panel-card > h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.panel-card > p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

/* Filas del convertidor: campos sin el margen inferior que descuadra al envolver. */
.convertidor-fila .form-group {
    margin-bottom: 0;
}
.convertidor-fila .form-control {
    width: 100%;
}

/* Input de archivo del convertidor: botón nativo estilizado al tema (naranja marca) */
.cl-archivo {
    color: var(--text-secondary);
}
.cl-archivo::file-selector-button {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    margin-right: 12px;
    transition: var(--transition-fast);
}
.cl-archivo::file-selector-button:hover {
    filter: brightness(1.15);
}

.excel-card {
    flex-grow: 1;
    background-color: rgba(16, 185, 129, 0.04);
    border: 2px dashed rgba(16, 185, 129, 0.25);
    border-radius: var(--border-radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.excel-card:hover, .excel-card.dragover {
    background-color: rgba(16, 185, 129, 0.08);
    border-color: var(--color-success);
}

.excel-icon {
    font-size: 32px;
    color: var(--color-success);
}

.excel-text h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.excel-text p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.excel-actions {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    flex-shrink: 0;
}

.catalog-table-container {
    overflow-x: auto;
}

/* Fila especial si tiene Alerta de Stock */
.row-alert-stock {
    background-color: rgba(239, 68, 68, 0.04);
}

.row-alert-stock:hover {
    background-color: rgba(239, 68, 68, 0.08) !important;
}

.row-alert-stock td:nth-child(7) {
    color: var(--color-danger);
    font-weight: 700;
}

/* Columna de selección y filas marcadas para acciones en masa */
.col-check {
    width: 38px;
    text-align: center;
}

.col-check input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
}

tr.row-selected {
    background-color: rgba(99, 102, 241, 0.10);
}

tr.row-selected:hover {
    background-color: rgba(99, 102, 241, 0.16) !important;
}

/* Insignias de Categoría o Proveedores */
.badge-category {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

/* SECCIÓN CLIENTES Y TARJETAS */
.clientes-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 24px;
    height: calc(100vh - 150px);
    overflow: hidden;
}

.clientes-list-panel, .cc-details-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 16px;
    flex-shrink: 0;
}

.panel-header-actions h2 {
    font-size: 16px;
    font-weight: 700;
}

.clients-cards-container {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 4px;
}

.client-card-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-bounce);
}

.client-card-item:hover {
    border-color: var(--color-primary-light);
    transform: translateX(6px);
    box-shadow: 0 6px 16px -4px rgba(37, 99, 235, 0.15);
}

.client-card-item.selected {
    background-color: var(--bg-tertiary);
    border-color: var(--color-primary-light);
    box-shadow: 0 8px 24px -6px rgba(37, 99, 235, 0.25), 0 0 1px 1px var(--color-primary-light) inset;
}

.client-card-info h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.client-card-info span {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.client-card-balance {
    text-align: right;
}

.client-card-balance span {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.client-card-balance strong {
    font-size: 14px;
    font-weight: 700;
}

/* Ficha de Detalles de CC */
.empty-state-cc {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-muted);
}

.empty-state-cc i {
    font-size: 56px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state-cc h3 {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 8px;
}

.cc-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.cc-client-header {
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 20px;
    flex-shrink: 0;
}

.client-badge-large {
    width: 48px;
    height: 48px;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    font-size: 20px;
    border: 1px solid var(--card-border);
}

.client-meta h2 {
    font-size: 16px;
    font-weight: 700;
}

.client-meta span {
    font-size: 12px;
    color: var(--text-secondary);
}

.cc-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.metric-card .icon {
    font-size: 20px;
    color: var(--text-muted);
}

.metric-card.outstanding .icon {
    color: var(--color-danger);
}

.metric-info span {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
}

.metric-info strong {
    font-size: 18px;
    font-weight: 700;
}

.cc-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 12px;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.cc-actions-bar h3 {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.cc-history-table-wrapper {
    flex-grow: 1;
    overflow-y: auto;
}

/* REPORTES Y ESTADÍSTICAS */
.reportes-dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.report-metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--card-shadow);
}

.report-metric-card .icon {
    font-size: 24px;
    width: 48px;
    height: 48px;
    background-color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.report-metric-card.color-blue .icon { color: var(--color-info); background-color: rgba(6, 182, 212, 0.1); }
.report-metric-card.color-green .icon { color: var(--color-success); background-color: rgba(16, 185, 129, 0.1); }
.report-metric-card.color-orange .icon { color: var(--color-warning); background-color: rgba(245, 158, 11, 0.1); }
.report-metric-card.color-red .icon { color: var(--color-danger); background-color: rgba(239, 68, 68, 0.1); }

.reportes-charts-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
}

.chart-container h3 {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

/* Gráfico de Barras con CSS */
.chart-wrapper-bars {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 220px;
    padding-top: 20px;
    border-bottom: 2px solid var(--card-border);
    border-left: 2px solid var(--card-border);
    padding-left: 10px;
}

.chart-bar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 50px;
    height: 100%;
    justify-content: flex-end;
}

.chart-bar {
    width: 28px;
    background-color: var(--color-primary-light);
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease-out;
    position: relative;
}

.chart-bar:hover {
    background-color: var(--color-accent);
}

.chart-bar-value {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.chart-bar-label {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Lista de Productos más vendidos */
.top-products-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.top-product-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.top-product-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

.top-product-meta strong {
    color: var(--text-primary);
}

.top-product-meta span {
    color: var(--text-muted);
    font-weight: 600;
}

.top-product-bar-bg {
    height: 8px;
    background-color: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.top-product-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
    border-radius: 4px;
    width: 0%;
    transition: width 0.6s ease;
}

/* MODALES Y DIÁLOGOS DE INTERFAZ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    width: 500px;
    max-width: 90vw;
    display: flex;
    flex-direction: column;
    animation: zoomIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card.modal-large {
    width: 800px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* FORMULARIOS INTERNOS MODALES */
.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.w-50 { width: 50%; }
.w-25 { width: 25%; }

.form-group {
    margin-bottom: 16px;
}

.cc-payment-info-banner {
    background-color: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius-md);
    padding: 16px;
    text-align: center;
}

.cc-payment-info-banner span {
    font-size: 12px;
    color: var(--text-secondary);
    display: block;
}

.cc-payment-info-banner strong {
    font-size: 18px;
    color: var(--text-primary);
    margin-top: 6px;
    display: block;
}

.cc-payment-info-banner .debt-warning {
    margin-top: 10px;
    font-size: 13px;
    color: var(--color-danger);
}

.alerts-table-container {
    max-height: 400px;
    overflow-y: auto;
}

/* NOTIFICACIONES TOAST */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-left: 4px solid var(--color-primary-light);
    border-radius: var(--border-radius-sm);
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 250px;
    animation: slideInRight 0.3s ease;
    transition: var(--transition-fast);
}

.toast.success { border-left-color: var(--color-success); }
.toast.danger { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

/* ANIMACIONES */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   ESTILOS DE IMPRESIÓN PARA TICKETS PDF
   ========================================================================== */
#print-receipt-section {
    display: none;
}

@media print {
    body * {
        visibility: hidden;
    }
    
    #print-receipt-section, #print-receipt-section * {
        visibility: visible;
    }
    
    #print-receipt-section {
        display: block;
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        color: #000;
        background-color: #fff;
    }
    
    /* Configurar factura en papel */
    .invoice-card {
        box-shadow: none !important;
        padding: 0 !important;
        border: none !important;
        width: 100%;
        max-width: 100% !important;
    }
    
    .btn-print-container {
        display: none !important;
    }
}

/* ==========================================================================
   AGREGADOS DE AUTENTICACIÓN (LOGIN)
   ========================================================================== */

.login-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, #1b1b20 0%, #0b0b0d 100%);
    display: flex;
    z-index: 99999;
    padding: 20px;
    /* Scrolleable: si el teclado del celu se come parte del form, el dedo puede
       bajar/subir para llegar al campo. Sin esto el input queda tapado y parece
       que "no deja escribir". */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: opacity 0.3s ease;
}

.login-card {
    /* margin:auto centra la card en desktop y en celu sin teclado, y cuando el
       form no entra (teclado abierto) colapsa y deja scrollear desde el tope
       sin cortarlo — arregla el bug de flexbox align-items:center + overflow. */
    margin: auto;
    background: rgba(23, 23, 27, 0.55);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(255, 255, 255, 0.05) inset;
    width: 440px;
    max-width: 100%;
    padding: 45px;
    display: flex;
    flex-direction: column;
    animation: zoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-brand {
    text-align: center;
    margin-bottom: 30px;
}

.login-icon {
    font-size: 44px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    animation: rotateSlow 15s linear infinite;
    filter: drop-shadow(0 0 15px rgba(249, 115, 22, 0.3));
}

.login-brand h1 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-brand span {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-toggle-password {
    position: absolute;
    right: 14px;
    bottom: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition-fast);
}

.btn-toggle-password:hover {
    color: var(--text-primary);
}

.login-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* BOTÓN DE CERRAR SESIÓN EN EL HEADER (siempre visible) */
.header-logout-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition-fast);
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(249, 115, 22, 0.2);
}
.header-logout-btn:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}
.header-logout-btn:active {
    transform: scale(0.94);
    background: rgba(239, 68, 68, 0.18);
}

/* BOTÓN DE LOGOUT EN EL SIDEBAR FOOTER */
.btn-logout {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 10px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-logout:hover {
    color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.12);
    transform: scale(1.05);
}

/* EFECTO DE ERROR (SACUDIDA) */
.shake {
    animation: shakeEffect 0.4s ease-in-out;
}

@keyframes shakeEffect {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-8px); }
    40%, 80% { transform: translateX(8px); }
}

/* ==========================================================================
   AGREGADOS DE GESTIÓN DE CAJA (ARQUEOS)
   ========================================================================== */

.caja-status-banner {
    width: 100%;
    margin-bottom: 20px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.caja-status-banner.closed {
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.caja-status-banner.open {
    background-color: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

/* RESUMEN ARQUEO EN MODAL CIERRE */
.cierre-caja-resumen-box {
    background-color: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.15);
}

.cierre-item {
    display: flex;
    justify-content: space-between;
    font-size: 13.5px;
    color: var(--text-secondary);
}

.cierre-divider {
    border-top: 1px solid var(--card-border);
    margin: 4px 0;
}

.cierre-item.expected-total {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-primary);
}

.cierre-other-payments {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
    border-top: 1px dashed var(--card-border);
    padding-top: 12px;
}

.cierre-sub-item {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.cierre-sub-item span {
    font-weight: 700;
    color: var(--text-secondary);
}

/* Interruptor para ocultar TODO lo relacionado a stock mientras no se controla.
   Para reactivar el control de stock: quitar la clase "sin-control-stock" del <body>
   (en app.js, flag CONTROL_STOCK) o borrar esta regla. */
body.sin-control-stock .stock-ui {
    display: none !important;
}

/* ============================================================
   RESPONSIVE / MÓVIL
   ============================================================ */

/* Hamburguesa y overlay: ocultos en escritorio */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
    padding: 6px 10px;
    margin-right: 4px;
}
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
}
.sidebar-overlay.show { display: block; }

@media (max-width: 820px) {
    /* Mostrar hamburguesa */
    .menu-toggle { display: inline-flex; align-items: center; }

    /* Sidebar como cajón deslizante */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 80%;
        max-width: 300px;
        transform: translateX(-100%);
        z-index: 100;
        box-shadow: 2px 0 18px rgba(0, 0, 0, 0.35);
    }
    .sidebar.open { transform: translateX(0); }

    .main-header { padding: 0 16px; }
    #page-title { font-size: 17px; }
    #page-subtitle { font-size: 11px; }
    .tab-content-container { padding: 16px 14px; }

    /* POS en una sola columna */
    .pos-grid {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
        gap: 16px;
    }
    .pos-left-panel, .pos-right-panel {
        height: auto;
        overflow: visible;
    }
    /* En móvil el panel no tiene alto fijo, así que acotamos la lista para que no
       quede una tira interminable; el resto scrollea dentro del panel. */
    #pos-results-box {
        flex: 0 1 auto;
        max-height: 60vh;
        overflow-y: auto;
    }
    .cart-table-wrapper { max-height: 50vh; }

    /* Tablas de catálogo/reportes: scroll horizontal en vez de aplastarse.
       Acotado a .catalog-table-container para NO forzar ancho a la tabla del carrito. */
    .catalog-table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .catalog-table-container .table { min-width: 600px; }
    .table th, .table td { padding: 10px 8px; font-size: 13px; }

    /* Carrito del POS: scroll a lo ancho dentro del panel si hace falta */
    .cart-table-wrapper { overflow-x: auto; }

    /* Efectivo recibido / Vuelto: apilados en móvil */
    .pos-cash-input-group { flex-direction: column; gap: 8px; }

    /* Formularios apilados */
    .form-row { flex-direction: column; gap: 0; }
    .w-25, .w-50 { width: 100%; }

    /* Convertidor de listas: cada campo ocupa toda la fila */
    .convertidor-fila .form-group { flex-basis: 100%; min-width: 0; }

    /* Paneles con cabecera + botón: que el botón baje y no se corte */
    .panel-header-actions { flex-wrap: wrap; gap: 10px; }

    /* Modales más amplios en móvil */
    .modal-card { width: 95%; max-width: 95%; max-height: 92vh; }
    .modal-card.modal-large { width: 95%; max-width: 95%; }

    /* Sidebar scrolleable para llegar al footer (logout / cambiar pass) en móvil */
    .sidebar {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* Botones de logout/cambiar pass en el footer del sidebar: más grandes y táctiles */
    .btn-logout {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 17px;
        -webkit-tap-highlight-color: rgba(249, 115, 22, 0.2);
        touch-action: manipulation;
    }
    .btn-logout:active { background: rgba(249, 115, 22, 0.15); transform: scale(0.95); }

    /* Botón CONFIRMAR VENTA siempre visible al scrollear en móvil */
    .cart-totals {
        position: sticky;
        bottom: 0;
        padding-bottom: max(8px, env(safe-area-inset-bottom, 8px));
        z-index: 50;
        background: var(--bg-secondary);
        padding-top: 8px;
        border-top: 1px solid var(--card-border);
    }

    /* Bug 3: botones tactiles 44px */
    .btn, .btn-sm { min-height: 44px; }
    .btn-sm { padding: 10px 14px; min-width: 44px; }
    .btn-large { min-height: 52px; font-size: 16px; padding: 14px 20px; }

    /* Bug 5: notch iPhone */
    .main-header { padding-top: max(0px, env(safe-area-inset-top, 0px)); }
    .sidebar { padding-top: max(0px, env(safe-area-inset-top, 0px)); }
}

@media (max-width: 480px) {
    .clock-display { display: none; }            /* el reloj ocupa lugar en pantallas chicas */
    .grand-total-box span:last-child { font-size: 24px; }
    .header-actions { gap: 8px; }
    .main-header { height: auto; padding: 10px 14px; flex-wrap: wrap; }
}

/* ==========================================================================
   PAGINACIÓN DE LA TABLA DE INVENTARIO
   ========================================================================== */
.inv-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 14px 8px 4px;
}

.inv-pag-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--bg-tertiary);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s, border-color 0.15s;
}

.inv-pag-btn:hover:not(:disabled):not(.active) {
    border-color: var(--color-primary-light);
    color: var(--color-primary-light);
}

.inv-pag-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    cursor: default;
}

.inv-pag-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.inv-pag-ellipsis {
    color: var(--text-muted);
    padding: 0 2px;
    user-select: none;
}

.inv-pag-count {
    color: var(--text-muted);
    font-size: 13px;
    margin-left: 8px;
}

/* === Login mobile-friendly ===
   NOTA: antes estos estilos apuntaban a .login-input, clase que NO existe en el
   HTML (los inputs usan .form-control), así que eran código muerto y el fix de
   16px nunca corría → iOS hacía zoom al tocar el campo. Ahora apuntan a los
   inputs reales del login. */
#login-screen .form-control {
    /* 16px previene el zoom automático de iOS al enfocar */
    font-size: 16px;
    /* Sin tap-highlight feo */
    -webkit-tap-highlight-color: rgba(249, 115, 22, 0.2);
    /* Mejor respuesta táctil (sin delay de 300ms) */
    touch-action: manipulation;
    /* Padding cómodo para dedos */
    padding: 14px 16px;
    /* Evita UI rara de autocomplete en iOS */
    appearance: none;
    -webkit-appearance: none;
}

#login-screen .form-control:focus {
    outline: none;
    border-color: var(--color-accent, #f97316);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
}

#form-login button[type="submit"] {
    min-height: 48px;
    font-size: 16px;
    padding: 14px 20px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (max-width: 480px) {
    .login-card {
        width: 100% !important;
        max-width: 360px !important;
        padding: 28px 20px !important;
    }
    #login-screen .form-control {
        font-size: 16px;
        padding: 14px 14px;
    }
}

.btn-toggle-password {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.shake {
    animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* ==========================================================================
   RESPONSIVE — PULIDO MÓVIL (≤ 820px: celular y tablet en vertical)
   Tres fricciones de usabilidad que no rompían el ancho pero sí el uso en el
   celu del mostrador: clientes en 2 columnas aplastadas, banner de caja que
   superponía el botón de arqueo, y toasts que tapaban el título de la vista.
   En desktop nada de esto aplica (el botón "volver" queda oculto).
   ========================================================================== */
.cc-back-btn { display: none; } /* oculto en desktop; solo vive en móvil */

@media (max-width: 820px) {
    /* --- CLIENTES: de 2 paneles aplastados a flujo master-detail --- */
    .clientes-grid {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
        gap: 14px;
    }
    .clientes-list-panel, .cc-details-panel {
        height: auto;
        overflow: visible;
    }
    .clientes-list-panel {
        max-height: 64vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* Sin cliente elegido: lista a full, ficha oculta (el "seleccioná un cliente"
       no aporta en móvil y solo ocuparía pantalla). */
    #pane-clientes:not(.cc-mobile-detail) .cc-details-panel { display: none; }
    /* Con cliente elegido: ficha visible, lista oculta. */
    #pane-clientes.cc-mobile-detail .clientes-list-panel { display: none; }

    .cc-back-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        align-self: flex-start;
        margin-bottom: 14px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--card-border);
        color: var(--text-primary);
        border-radius: 999px;
        padding: 9px 16px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.3px;
        cursor: pointer;
        transition: var(--transition-fast);
        -webkit-tap-highlight-color: rgba(249, 115, 22, 0.25);
        touch-action: manipulation;
    }
    .cc-back-btn:active {
        background: rgba(249, 115, 22, 0.2);
        border-color: var(--color-accent, #f97316);
        transform: translateX(-2px);
    }
    .cc-back-btn i { color: var(--color-accent, #f97316); }

    /* --- BANNER DE CAJA: apilar texto y botón (antes chocaban en fila) --- */
    .caja-status-banner {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        text-align: center;
        line-height: 1.55;
        padding: 14px 16px;
    }
    .caja-status-banner .btn { width: 100%; }

    /* --- TOASTS: snackbar abajo para no tapar el título de la vista --- */
    #toast-container {
        top: auto;
        bottom: 16px;
        left: 12px;
        right: 12px;
        align-items: stretch;
    }
    #toast-container .toast {
        min-width: 0;
        width: 100%;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        animation: toastSlideUp 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    }
}

@keyframes toastSlideUp {
    from { opacity: 0; transform: translateY(18px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Ficha de cuenta corriente en móvil: el contenido interno de la card también
   necesita reflowear (el ancho del documento no se rompía, pero el botón de
   abono y la tabla del historial se desbordaban DENTRO de la tarjeta). */
@media (max-width: 820px) {
    /* Métricas una por fila: los montos grandes no se truncan en 360px */
    .cc-metrics {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    .metric-card { padding: 14px 16px; }
    .metric-info strong { font-size: 20px; }

    /* Barra de acciones: título arriba, botón de abono full-width abajo */
    .cc-actions-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .cc-actions-bar h3 {
        text-align: center;
        font-size: 12px;
        letter-spacing: 0.5px;
    }
    .cc-actions-bar .btn {
        width: 100%;
        justify-content: center;
        min-height: 50px;
        font-size: 15px;
        font-weight: 800;
        letter-spacing: 0.4px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(16, 185, 129, 0.3);
    }
    .cc-actions-bar .btn:active {
        transform: scale(0.97);
        filter: brightness(1.08);
    }

    /* Historial: scroll horizontal con gesto en vez de clippear "Monto" */
    .cc-history-table-wrapper {
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
        margin: 0 -4px;
        padding: 0 4px;
    }
    .cc-history-table-wrapper table { min-width: 460px; }
    .cc-history-table-wrapper th,
    .cc-history-table-wrapper td {
        padding: 9px 8px;
        font-size: 12px;
        white-space: nowrap;
    }
}