/*
 * Apanados System - Premium Dark Theme & Layout Stylesheet
 * Features: Obsidian theme, Glassmorphism, Neon accents, Responsive grid, Smooth transitions.
 */

/* ==========================================================================
   1. VARIABLES & THEME DEFINITIONS
   ========================================================================== */
:root {
    /* Fonts */
    --font-primary: 'Outfit', sans-serif;
    
    /* Color Palette - Cyber Obsidian */
    --bg-base: #080b10;
    --bg-surface: #0f131a;
    --bg-card: rgba(21, 27, 38, 0.7);
    --bg-card-hover: rgba(29, 37, 52, 0.85);
    --bg-input: #151b26;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-glow: rgba(6, 182, 212, 0.3);
    
    /* Brand & Accent Colors */
    --color-primary: #06b6d4;      /* Cyan glow */
    --color-primary-rgb: 6, 182, 212;
    --color-success: #10b981;      /* Emerald Green */
    --color-success-rgb: 16, 185, 129;
    --color-warning: #f59e0b;      /* Amber */
    --color-warning-rgb: 245, 158, 11;
    --color-danger: #ef4444;       /* Ruby Red */
    --color-danger-rgb: 239, 68, 68;
    
    /* Typography Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Shadows & Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 15px rgba(6, 182, 212, 0.25);
    --glass-blur: blur(12px);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Dimensions */
    --sidebar-width: 260px;
    --header-height: 70px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
}

/* ==========================================================================
   2. GLOBAL BASICS & SCROLLBARS
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-base);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font-family: inherit;
    color: inherit;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(6, 182, 212, 0.3);
}

/* ==========================================================================
   3. APP CONTAINER & SHELL LAYOUT
   ========================================================================== */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
    transition: transform var(--transition-slow);
}

.brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-success));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.logo-icon {
    width: 20px;
    height: 20px;
    color: #fff;
}

.brand-text h1 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0.5px;
}

.brand-text span {
    font-size: 10px;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 3px;
    display: block;
}

.nav-menu {
    flex: 1;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.nav-item i {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-item:hover i {
    transform: translateX(2px);
}

.nav-item.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.02));
    border-left: 3px solid var(--color-primary);
    font-weight: 600;
}

.nav-item.active i {
    color: var(--color-primary);
    filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.5));
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 6px;
    background-color: rgba(0, 0, 0, 0.15);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.online {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.status-text {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.version {
    font-size: 10px;
    color: var(--text-muted);
    align-self: flex-end;
}

/* Content Area Wrapper */
.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Top Header */
.main-header {
    height: var(--header-height);
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    flex-shrink: 0;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 4px;
}

.view-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-stats {
    display: flex;
    gap: 10px;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}

.status-pill.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border-color: rgba(245, 158, 11, 0.2);
}

.status-pill.danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.status-pill i {
    width: 14px;
    height: 14px;
}

.datetime-display {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.datetime-display i {
    width: 15px;
    height: 15px;
    color: var(--color-primary);
}

/* Main Content Area */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    background-color: var(--bg-base);
    position: relative;
}

/* Loading Spinner */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    gap: 16px;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(6, 182, 212, 0.15);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-container p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================================================
   4. PREMIUM UTILITIES (GLASSMORPHISM & EFFECTS)
   ========================================================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-color-glow);
    box-shadow: var(--shadow-md), 0 0 20px rgba(6, 182, 212, 0.05);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title i {
    color: var(--color-primary);
}

/* ==========================================================================
   5. COMMON FORMS & INPUTS
   ========================================================================== */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.input-control {
    width: 100%;
    height: 46px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0 16px;
    font-size: 14px;
    transition: all var(--transition-fast);
    outline: none;
}

.input-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

textarea.input-control {
    height: 100px;
    padding: 12px 16px;
    resize: none;
}

select.input-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #0891b2);
    color: #fff;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(6, 182, 212, 0.35);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), #059669);
    color: #fff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger), #dc2626);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: none;
    color: var(--color-primary);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.btn-outline:hover {
    background-color: rgba(6, 182, 212, 0.08);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-sm {
    height: 32px;
    padding: 0 12px;
    font-size: 12px;
}

.btn-icon-only {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   6. TABLES & LISTS
   ========================================================================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table-premium {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.table-premium th {
    padding: 16px 20px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.1);
}

.table-premium td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.table-premium tbody tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.badge-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
}

/* ==========================================================================
   7. DASHBOARD GRID & WIDGETS
   ========================================================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.metric-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.metric-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.metric-card-header span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.metric-icon-box {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-card:nth-child(1) .metric-icon-box { background-color: rgba(6, 182, 212, 0.12); color: var(--color-primary); }
.metric-card:nth-child(2) .metric-icon-box { background-color: rgba(245, 158, 11, 0.12); color: var(--color-warning); }
.metric-card:nth-child(3) .metric-icon-box { background-color: rgba(16, 185, 129, 0.12); color: var(--color-success); }
.metric-card:nth-child(4) .metric-icon-box { background-color: rgba(239, 68, 68, 0.12); color: var(--color-danger); }

.metric-value {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.metric-footer {
    font-size: 11px;
    color: var(--text-muted);
}

.dashboard-split {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.chart-card {
    height: 380px;
}

.recent-card {
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   8. SALES (NEW SALE) VIEW LAYOUT
   ========================================================================== */
.sales-layout {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 24px;
    height: calc(100vh - var(--header-height) - 64px);
    overflow: hidden;
}

.products-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    padding-right: 8px;
}

.search-bar-row {
    position: sticky;
    top: 0;
    z-index: 2;
    background-color: var(--bg-base);
    padding-bottom: 12px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.product-sale-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 150px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.product-sale-card:hover {
    border-color: var(--border-color-glow);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.1);
}

.product-sale-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-sale-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.product-sale-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

.product-sale-stock {
    font-size: 11px;
    color: var(--text-secondary);
}

.product-sale-stock.low {
    color: var(--color-danger);
    font-weight: 600;
}

/* Checkout Panel */
.checkout-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.checkout-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.checkout-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.checkout-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 4px;
    margin-bottom: 16px;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
}

.checkout-item-details {
    flex: 1;
}

.checkout-item-name {
    font-size: 13px;
    font-weight: 600;
}

.checkout-item-subtext {
    font-size: 11px;
    color: var(--text-secondary);
}

.checkout-item-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkout-item-price {
    font-size: 14px;
    font-weight: 700;
}

.btn-remove-item {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-remove-item:hover {
    color: var(--color-danger);
}

.checkout-summary {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-row.total {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* ==========================================================================
   9. MODALS & WINDOWS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(5, 7, 10, 0.85);
    backdrop-filter: var(--glass-blur);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color-glow);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(6, 182, 212, 0.15);
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.01);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-danger);
}

.modal-body {
    padding: 24px;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background-color: rgba(0, 0, 0, 0.1);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   10. TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.toast {
    min-width: 300px;
    max-width: 400px;
    background: rgba(15, 19, 26, 0.95);
    backdrop-filter: var(--glass-blur);
    border-left: 4px solid var(--color-primary);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 16px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toastIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition: all 0.3s;
}

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

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

.toast-message {
    font-size: 13px;
    font-weight: 500;
    flex: 1;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
}

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

/* ==========================================================================
   11. FABRICACION / PRODUCTION SPECIFIC UX
   ========================================================================== */
.ingredient-selector-box {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    background-color: rgba(255, 255, 255, 0.01);
    margin-bottom: 16px;
}

.ingredient-row-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
}

/* ==========================================================================
   12. RESPONSIVENESS
   ========================================================================== */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dashboard-split {
        grid-template-columns: 1fr;
    }
    .sales-layout {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
    }
    .products-panel {
        overflow-y: visible;
    }
    .checkout-panel {
        margin-top: 24px;
        height: 500px;
    }
}

/* ==========================================================================
   12b. PREMIUM ITEM CARDS & GRIDS (REPLACING TABLES)
   ========================================================================== */
.responsive-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 10px;
}

.premium-item-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.premium-item-card:hover {
    border-color: var(--border-color-glow);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(6, 182, 212, 0.05);
}

.card-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 10px;
}

.card-item-header h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.card-item-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.card-item-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.card-item-detail-row span {
    color: var(--text-secondary);
}

.card-item-detail-row strong {
    color: var(--text-primary);
    font-weight: 600;
}

.card-item-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 12px;
    margin-top: auto;
}

/* Compact cards for list-panels or side histories */
.compact-cards-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.compact-card-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: all var(--transition-fast);
}

.compact-card-item:hover {
    border-color: rgba(6, 182, 212, 0.2);
    background: rgba(255, 255, 255, 0.04);
}

.compact-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.compact-card-row.header {
    font-weight: 700;
    font-size: 13px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    padding-bottom: 4px;
}

@media (max-width: 768px) {
    body, html {
        overflow: auto !important;
        height: auto !important;
    }
    .app-container {
        height: auto !important;
        overflow: visible !important;
        display: block !important;
    }
    .content-wrapper {
        height: auto !important;
        overflow: visible !important;
    }
    .main-content {
        height: auto !important;
        overflow: visible !important;
        padding-bottom: 120px !important; /* Extra breathing space for mobile toolbars */
    }
    
    .menu-toggle {
        display: block;
    }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-header {
        padding: 0 16px;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .input-row {
        grid-template-columns: 1fr;
    }
    .responsive-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   13. PRINT STYLES (OPTIMIZED FOR PDF & PAPER)
   ========================================================================== */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
        overflow: visible !important;
        height: auto !important;
        width: auto !important;
    }
    
    .app-container {
        display: block !important;
        height: auto !important;
    }
    
    .sidebar,
    .main-header,
    #btn-print-report,
    #report-chart-granularity,
    .toast-container,
    .modal-overlay,
    .glass-card:first-of-type { /* Hides search filters card */
        display: none !important;
    }
    
    .content-wrapper {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }
    
    .main-content {
        padding: 0 !important;
        overflow: visible !important;
        background: #ffffff !important;
    }
    
    .glass-card {
        background: #ffffff !important;
        color: #000000 !important;
        border: 1px solid #dddddd !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        margin-bottom: 20px !important;
        page-break-inside: avoid;
    }
    
    .card-title,
    .card-title i {
        color: #000000 !important;
    }
    
    .dashboard-grid {
        display: grid !important;
        grid-template-columns: repeat(5, 1fr) !important;
        gap: 10px !important;
        margin-bottom: 20px !important;
    }
    
    .dashboard-grid .glass-card {
        padding: 10px !important;
        border: 1px solid #cccccc !important;
        background: #ffffff !important;
    }
    
    .dashboard-grid strong {
        color: #000000 !important;
        font-size: 14px !important;
    }
    
    .dashboard-split {
        display: block !important;
    }
    
    .dashboard-split .glass-card {
        margin-top: 20px !important;
        max-height: none !important;
        overflow: visible !important;
    }
    
    .table-premium th {
        background-color: #f1f5f9 !important;
        color: #000000 !important;
        border-bottom: 2px solid #cccccc !important;
        padding: 8px 12px !important;
    }
    
    .table-premium td {
        color: #000000 !important;
        border-bottom: 1px solid #eeeeee !important;
        padding: 8px 12px !important;
    }
    
    .badge {
        border: 1px solid #cccccc !important;
        background: none !important;
        color: #000000 !important;
        padding: 2px 6px !important;
    }
    
    .report-chart-container {
        page-break-inside: avoid;
        border: 1px solid #cccccc !important;
        background: #ffffff !important;
    }
}