/* ============================================
   STOCK SUBMISSION SYSTEM - MODERN REDESIGN
   Premium Enterprise SaaS Aesthetic
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* CSS Variables for consistent theming */
:root {
    /* Color Palette - Deep Ocean Blues */
    --bg-primary: #0c1417;
    --bg-secondary: #152328;
    --bg-tertiary: #1c2936;
    --bg-elevated: #223242;
    --bg-hover: #2B4F63;
    
    /* Accent Colors */
    --accent-primary: #2B4F63;
    --accent-secondary: #3d6b80;
    --accent-tertiary: #5a8a9e;
    --accent-glow: rgba(43, 79, 99, 0.25);
    --accent-glow-strong: rgba(43, 79, 99, 0.45);
    
    /* Status Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #5a8a9e;
    --info-bg: rgba(90, 138, 158, 0.15);
    
    /* Text Colors */
    --text-primary: #f0f4f7;
    --text-secondary: #a8b8c4;
    --text-muted: #737373;
    --text-disabled: #5a6a74;
    
    /* Border Colors */
    --border-primary: rgba(43, 79, 99, 0.3);
    --border-secondary: rgba(43, 79, 99, 0.5);
    --border-accent: rgba(74, 122, 140, 0.6);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(43, 79, 99, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
}

/* Subtle animated background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

/* Selection styling */
::selection {
    background: var(--accent-secondary);
    color: white;
}

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */
.app-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding: var(--spacing-lg);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.container-wide {
    max-width: 1200px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-xl);
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.5;
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 0 20px rgba(74, 122, 140, 0.4);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ============================================
   NAVIGATION / SIDEBAR
   ============================================ */
.hamburger-btn {
    position: fixed;
    left: var(--spacing-lg);
    top: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    z-index: 1001;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.hamburger-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(74, 122, 140, 0.3);
}

.hamburger-btn.visible {
    display: flex;
}

.hamburger-btn span {
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: var(--transition-base);
}

.hamburger-btn:hover span {
    background: var(--accent-tertiary);
}

.hamburger-btn.active {
    display: none;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-slow);
    z-index: 1000;
    overflow-y: auto;
    backdrop-filter: blur(20px);
}

.sidebar.active {
    left: 0;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-close {
    width: 36px;
    height: 36px;
    background: var(--bg-hover);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.sidebar-close:hover {
    background: var(--error-bg);
    border-color: var(--error);
    color: var(--error);
}

.sidebar-menu {
    padding: var(--spacing-md) 0;
}

.sidebar-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition-base);
    border-left: 3px solid transparent;
    text-decoration: none;
}

.sidebar-menu-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-left-color: var(--accent-secondary);
}

.sidebar-menu-item.active {
    background: var(--accent-glow);
    color: var(--accent-secondary);
    border-left-color: var(--accent-primary);
}

.sidebar-menu-item span:first-child {
    font-size: 1.125rem;
}

/* Sidebar Dropdown Styles */
.sidebar-dropdown {
    width: 100%;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.dropdown-arrow {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform var(--transition-base);
    opacity: 0.7;
}

.dropdown-toggle.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    display: none;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs) var(--spacing-sm);
    flex-direction: column;
    overflow: hidden;
}

.dropdown-content.show {
    display: flex;
}

.sidebar-menu-item.sub-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: calc(var(--spacing-xl) + var(--spacing-md));
    font-size: 0.875rem;
    border-left: none;
    margin: 0;
}

.sidebar-menu-item.sub-item:hover {
    background: var(--bg-hover);
    border-left: none;
}

.sidebar-menu-item.sub-item.active {
    background: var(--accent-glow);
    color: var(--accent-secondary);
    border-left: none;
}

/* Remove link styling for sidebar items */
a.sidebar-menu-item {
    text-decoration: none;
}



/* ============================================
   CONTENT AREA
   ============================================ */
.content {
    padding: var(--spacing-xl);
}
.bulk-entry-area { display: none; margin-top: 15px; }
.bulk-entry-area.active { display: block; }


/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
}

.card:hover {
    border-color: var(--border-secondary);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Status Card - Current Box Info */
.status-card {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-elevated) 100%);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.status-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.status-card-content h3 {
    font-family: var(--font-mono);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.status-card-content p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.status-card-meta {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-label .required {
    color: var(--error);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-disabled);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-secondary);
}

.form-select {
    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'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 44px;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
    font-family: var(--font-mono);
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-hover);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 2px;
    top: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: #9dd8f2;
    border-color: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: white;
}

.toggle-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Serial Input Rows */
.serial-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.serial-input-row {
    display: flex;
    gap: var(--spacing-sm);
}

.serial-input-row input {
    flex: 1;
}

.serial-input-row .btn-remove {
    width: 44px;
    height: 44px;
    padding: 0;
    flex-shrink: 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 20px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
    color: white;
    box-shadow: 0 2px 10px rgba(43, 79, 99, 0.4);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 122, 140, 0.5);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    color: var(--accent-secondary);
    border: 1px solid var(--accent-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--accent-glow);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.button-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.button-group .btn {
    flex: 1;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
    border: 1px solid transparent;
    animation: slideIn var(--transition-base) ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-success {
    background: var(--success-bg);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-error {
    background: var(--error-bg);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--error);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-info {
    background: var(--info-bg);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--info);
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-secondary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner-inline {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Sync Status */
.sync-status {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: 10px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    animation: slideUp var(--transition-base) ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sync-status.active {
    display: flex;
}

.sync-status.syncing {
    border-color: var(--info);
    color: var(--info);
}

.sync-status.synced {
    border-color: var(--success);
    color: var(--success);
}

.sync-status.error {
    border-color: var(--error);
    color: var(--error);
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: var(--bg-elevated);
    padding: 14px 16px;
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-primary);
}

td {
    padding: 14px 16px;
    font-size: 0.9375rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--bg-hover);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-manager {
    background: var(--info-bg);
    color: #de6052;
}

.badge-technician {
    background: var(--info-bg);
    color: white;
    border: 1px solid rgba(90, 138, 158, 0.3);
}

.badge-merchant {
    background: rgba(115, 115, 115, 0.15);
    color: #a0a0a0;
    border: 1px solid rgba(115, 115, 115, 0.3);
}

.badge-open {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-closed {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================
   TABS
   ============================================ */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-xl);
    padding: 4px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.tab {
    flex: 1;
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-base);
}

.tab:hover {
    color: var(--text-secondary);
    background: var(--bg-hover);
}

.tab.active {
    background: var(--accent-glow);
    color: var(--accent-secondary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-base) ease-out;
}

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

/* ============================================
   MODALS
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalIn var(--transition-base) ease-out;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    margin-bottom: var(--spacing-lg);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* Modal Close Button */
.modal-close-btn {
    width: 32px;
    height: 32px;
    background: var(--bg-hover);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.modal-close-btn:hover {
    background: var(--error-bg);
    border-color: var(--error);
    color: var(--error);
}

/* ============================================
   BOX LIST & ITEMS
   ============================================ */
.box-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.box-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-base);
}

.box-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-elevated);
    transform: translateY(-2px);
}

.box-item.selected {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}

.box-info {
    flex: 1;
}

.box-id {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.box-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ============================================
   EXPORT PAGE
   ============================================ */
.export-filters {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.export-filters h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.export-results {
    margin-top: var(--spacing-xl);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.export-preview {
    margin-top: var(--spacing-xl);
}

.export-box-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.export-box-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--accent-primary);
}

.export-box-title {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.export-box-subtitle {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.job-section {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.job-section:hover {
    border-color: var(--border-accent);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.job-expand-icon {
    color: var(--accent-secondary);
    transition: transform var(--transition-base);
}

.job-section.expanded .job-expand-icon {
    transform: rotate(180deg);
}

.job-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.serial-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.job-section.expanded .serial-grid {
    display: grid;
}

.serial-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.serial-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.barcode-container {
    background: white;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.barcode-container svg {
    max-width: 100%;
    height: auto;
}

/* ============================================
   JOB EDIT ACTIONS
   ============================================ */
.job-edit-actions {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-primary);
    display: none;
}

.job-section.expanded .job-edit-actions {
    display: block;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-wrapper {
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.login-container {
    max-width: 420px;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.login-header {
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-elevated));
    text-align: center;
    border-bottom: 1px solid var(--border-primary);
    position: relative;
}

.login-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 0 30px rgba(74, 122, 140, 0.5);
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.login-header p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.login-content {
    padding: var(--spacing-xl);
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.login-footer a {
    color: var(--accent-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.login-footer a:hover {
    color: var(--accent-tertiary);
    text-decoration: underline;
}

/* ============================================
   SHIFT TRACKING MODULE
   ============================================ */

/* Shift Status in Header */
.header-subtitle {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.shift-header-btn {
    padding: 6px 14px !important;
    font-size: 0.8125rem !important;
}

.shift-active-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

/* Shift Report Card */
.shift-report-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.shift-report-header {
    background: var(--bg-elevated);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shift-report-date {
    font-weight: 600;
    color: var(--text-primary);
}

.shift-report-agent {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.shift-report-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-primary);
}

.shift-report-stat {
    background: var(--bg-tertiary);
    padding: 20px;
    text-align: center;
}

.shift-report-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-tertiary);
    margin-bottom: 4px;
}

.shift-report-stat-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}

.shift-report-stat-detail {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Shift Summary Grid (User Page) */
.shift-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.shift-summary-stat {
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.shift-summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-tertiary);
    margin-bottom: 4px;
}

.shift-summary-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Shifts List */
.shifts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.shift-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    cursor: pointer;
    transition: var(--transition-base);
}

.shift-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-elevated);
    transform: translateY(-2px);
}

.shift-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.shift-card-date {
    font-weight: 600;
    color: var(--text-primary);
}

.shift-card-agent {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.shift-card-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.shift-card-stats {
    display: flex;
    gap: 24px;
}

.shift-card-stat {
    display: flex;
    flex-direction: column;
}

.shift-card-stat-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-tertiary);
}

.shift-card-stat-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Settings Page Styles */
.settings-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-primary);
}

.settings-info-row:last-child {
    border-bottom: none;
}

.settings-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.settings-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* User Detail Section (Admin Modal) */
.user-detail-section {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-primary);
}

.user-detail-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Recent Shifts List (Admin Modal) */
.recent-shifts-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.recent-shift-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
}

.recent-shift-date {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.recent-shift-stats {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .shift-report-grid {
        grid-template-columns: 1fr;
    }
    
    .shift-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .shift-card-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .header-subtitle {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .shift-summary-grid {
        grid-template-columns: 1fr;
    }
}


/* ============================================
   PAGE STATES
   ============================================ */
.main-form,
.page-content {
    display: none;
}

.main-form.active,
.page-content.active {
    display: block;
    animation: fadeIn var(--transition-base) ease-out;
}

.hidden {
    display: none !important;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   HELPER TEXT
   ============================================ */
.help-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.help-box p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.help-box code {
    display: inline-block;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--accent-secondary);
    margin-top: var(--spacing-sm);
}




/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 20px;
        --spacing-xl: 24px;
    }
    
    .app-wrapper {
        padding: var(--spacing-md);
    }
    
    .container {
        border-radius: var(--radius-lg);
    }
    
    .header {
        padding: var(--spacing-lg);
        flex-direction: column;
        text-align: center;
    }
    
    .content {
        padding: var(--spacing-lg);
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .button-group .btn {
        width: 100%;
    }
    
    .status-card {
        flex-direction: column;
        text-align: center;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        left: -100%;
    }
    
    .box-item {
        flex-direction: column;
        text-align: center;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    table {
        min-width: 600px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
		zoom: 40%;
    }
    
    body::before {
        display: none;
    }
    
    .container {
        box-shadow: none;
        border: none;
        max-width: 100%;
    }
    
    .header,
    .sidebar,
    .hamburger-btn,
    .export-filters,
    .sync-status,
    .loading-overlay,
    .button-group,
	.card,
	.btn,
	.job-date,
	.export-box-subtitle,
    .job-edit-actions,
    .modal,
	.export-results,
	#alertContainer
	{
        display: none !important;
    }
    
    .export-box-item {
        border: none;
        padding: 0;
    }
    
    .export-box-header {
        border-bottom-color: black;
    }
    
    .export-box-title,
    .export-box-subtitle {
        color: black;
    }
    
    .job-section {
        background: none;
        border: 1px solid #ccc;
		padding: none;
    }
    
    .job-section.expanded .serial-grid {
        display: grid !important;
    }
    
    .serial-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .serial-item {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    
    .serial-number {
        color: black;
    }
}