/**
 * Stichtag Inventur App - Main Stylesheet
 * ========================================
 * Modernes, minimalistisches Design (2025)
 * Mobile-First, Corporate-Style
 */

/* =============================================================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================================================= */

:root {
    /* Primary Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;

    /* Status Colors */
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    --success-50: #ecfdf5;

    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fbbf24;
    --warning-50: #fffbeb;

    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #f87171;
    --danger-50: #fef2f2;

    /* Neutral Colors */
    --neutral-50: #f9fafb;
    --neutral-100: #f3f4f6;
    --neutral-200: #e5e7eb;
    --neutral-300: #d1d5db;
    --neutral-400: #9ca3af;
    --neutral-500: #6b7280;
    --neutral-600: #4b5563;
    --neutral-700: #374151;
    --neutral-800: #1f2937;
    --neutral-900: #111827;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */

    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-tooltip: 1100;
}

/* =============================================================================
   RESET & BASE
   ============================================================================= */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =============================================================================
   TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: var(--line-height-tight);
    color: var(--neutral-900);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-4);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* =============================================================================
   NAVBAR
   ============================================================================= */

.navbar {
    background: white;
    border-bottom: 1px solid var(--neutral-200);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--neutral-900);
}

.navbar-brand:hover {
    color: var(--primary);
}

.navbar-logo {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.navbar-toggle {
    display: none;
    padding: var(--spacing-2);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--neutral-600);
}

.navbar-toggle svg {
    width: 24px;
    height: 24px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.navbar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    border: none;
    background: none;
    cursor: pointer;
}

.navbar-link:hover {
    color: var(--neutral-900);
    background: var(--neutral-100);
}

.navbar-link.active {
    color: var(--primary);
    background: var(--primary-50);
}

/* Dropdown */
.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-toggle .dropdown-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.navbar-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.navbar-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: white;
    border: 1px solid var(--neutral-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.navbar-dropdown:hover .navbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-dropdown-menu a {
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--neutral-700);
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius);
}

.navbar-dropdown-menu a:hover {
    background: var(--neutral-100);
    color: var(--neutral-900);
}

.dropdown-divider {
    height: 1px;
    background: var(--neutral-200);
    margin: var(--spacing-2) 0;
}

/* User Section */
.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--neutral-800);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--neutral-500);
    text-transform: uppercase;
}

/* =============================================================================
   MAIN CONTENT
   ============================================================================= */

.main-content {
    flex: 1;
    padding: var(--spacing-6);
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* =============================================================================
   FOOTER
   ============================================================================= */

.footer {
    background: white;
    border-top: 1px solid var(--neutral-200);
    padding: var(--spacing-4);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-divider {
    margin: 0 var(--spacing-2);
}

/* =============================================================================
   BUTTONS
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Primary Button */
.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
}

/* Secondary Button */
.btn-secondary {
    background: var(--neutral-100);
    color: var(--neutral-700);
    border-color: var(--neutral-200);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--neutral-200);
    color: var(--neutral-800);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--neutral-700);
    border-color: var(--neutral-300);
}

.btn-outline:hover:not(:disabled) {
    background: var(--neutral-100);
    color: var(--neutral-900);
}

/* Success Button */
.btn-success {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
    background: var(--success-dark);
    border-color: var(--success-dark);
    color: white;
}

/* Danger Button */
.btn-danger {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-dark);
    border-color: var(--danger-dark);
    color: white;
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
}

.btn-sm .btn-icon {
    width: 14px;
    height: 14px;
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
}

/* =============================================================================
   FORMS
   ============================================================================= */

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--neutral-700);
}

.form-label.required::after {
    content: " *";
    color: var(--danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--neutral-800);
    background: white;
    border: 1px solid var(--neutral-300);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input::placeholder {
    color: var(--neutral-400);
}

.form-input.is-invalid {
    border-color: var(--danger);
}

.form-input.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-help {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
}

.form-error {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--danger);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
    cursor: pointer;
}

/* =============================================================================
   CARDS
   ============================================================================= */

.card {
    background: white;
    border: 1px solid var(--neutral-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--neutral-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--neutral-900);
    margin: 0;
}

.card-body {
    padding: var(--spacing-5);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--neutral-200);
    background: var(--neutral-50);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* =============================================================================
   TABLES
   ============================================================================= */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--neutral-200);
    border-radius: var(--border-radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--neutral-200);
}

.table th {
    background: var(--neutral-50);
    font-weight: 600;
    color: var(--neutral-700);
    white-space: nowrap;
}

.table tbody tr:hover {
    background: var(--neutral-50);
}

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

/* Table Striped */
.table-striped tbody tr:nth-child(even) {
    background: var(--neutral-50);
}

/* =============================================================================
   BADGES
   ============================================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--border-radius-full);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-dark);
}

.badge-success {
    background: var(--success-50);
    color: var(--success-dark);
}

.badge-warning {
    background: var(--warning-50);
    color: var(--warning-dark);
}

.badge-danger {
    background: var(--danger-50);
    color: var(--danger-dark);
}

.badge-neutral {
    background: var(--neutral-100);
    color: var(--neutral-600);
}

/* =============================================================================
   FLASH MESSAGES
   ============================================================================= */

.flash-container {
    padding: var(--spacing-4);
    max-width: 1400px;
    margin: 0 auto;
}

.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-3);
    animation: slideIn 0.3s ease;
}

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

.flash-success {
    background: var(--success-50);
    border: 1px solid var(--success-light);
    color: var(--success-dark);
}

.flash-danger, .flash-error {
    background: var(--danger-50);
    border: 1px solid var(--danger-light);
    color: var(--danger-dark);
}

.flash-warning {
    background: var(--warning-50);
    border: 1px solid var(--warning-light);
    color: var(--warning-dark);
}

.flash-info {
    background: var(--primary-50);
    border: 1px solid var(--primary-light);
    color: var(--primary-dark);
}

.flash-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.flash-close:hover {
    opacity: 1;
}

/* =============================================================================
   MODALS
   ============================================================================= */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--neutral-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--neutral-900);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--neutral-500);
    cursor: pointer;
    padding: var(--spacing-1);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--neutral-800);
}

.modal-body {
    padding: var(--spacing-5);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--neutral-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* Large Modal */
.modal-lg {
    max-width: 900px;
}

/* =============================================================================
   STATS CARDS
   ============================================================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.stat-card {
    background: white;
    border: 1px solid var(--neutral-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
    margin-bottom: var(--spacing-1);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--neutral-900);
    line-height: 1;
}

.stat-change {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* =============================================================================
   PROGRESS BARS
   ============================================================================= */

.progress {
    height: 8px;
    background: var(--neutral-200);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: var(--border-radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.success {
    background: var(--success);
}

.progress-bar.warning {
    background: var(--warning);
}

.progress-bar.danger {
    background: var(--danger);
}

/* =============================================================================
   AUTOCOMPLETE
   ============================================================================= */

.autocomplete-wrapper {
    position: relative;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    background: white;
    border: 1px solid var(--neutral-300);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    display: none;
}

.autocomplete-results.active {
    display: block;
}

.autocomplete-item {
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    border-bottom: 1px solid var(--neutral-100);
    transition: background var(--transition-fast);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: var(--neutral-100);
}

.autocomplete-item-title {
    font-weight: 500;
    color: var(--neutral-900);
}

.autocomplete-item-subtitle {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
    margin-top: var(--spacing-1);
}

.autocomplete-highlight {
    background: var(--warning-light);
    font-weight: 600;
}

/* =============================================================================
   PAGINATION
   ============================================================================= */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    margin-top: var(--spacing-6);
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--neutral-600);
    background: white;
    border: 1px solid var(--neutral-300);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-item:hover:not(.disabled):not(.active) {
    background: var(--neutral-100);
    color: var(--neutral-900);
}

.pagination-item.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =============================================================================
   LOADING STATES
   ============================================================================= */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--neutral-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* =============================================================================
   EMPTY STATES
   ============================================================================= */

.empty-state {
    text-align: center;
    padding: var(--spacing-12);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    color: var(--neutral-400);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: var(--spacing-2);
}

.empty-state-description {
    color: var(--neutral-500);
    margin-bottom: var(--spacing-6);
}

/* =============================================================================
   UTILITIES
   ============================================================================= */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }

.text-muted { color: var(--neutral-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success-dark); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning-dark); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

.hidden { display: none; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* =============================================================================
   PAGE HEADER
   ============================================================================= */

.page-header {
    margin-bottom: var(--spacing-6);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--spacing-2);
}

.page-subtitle {
    color: var(--neutral-500);
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

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

@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }

    .navbar-menu {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        border-bottom: 1px solid var(--neutral-200);
        padding: var(--spacing-4);
        gap: var(--spacing-2);
        display: none;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--spacing-4);
    }

    .navbar-user {
        display: none;
    }

    .main-content {
        padding: var(--spacing-4);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        width: 95%;
        max-height: 85vh;
    }

    .btn .btn-text {
        display: none;
    }

    .table th,
    .table td {
        padding: var(--spacing-2);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .page-title {
        font-size: var(--font-size-xl);
    }
}

/* =============================================================================
   TOAST NOTIFICATIONS
   ============================================================================= */

.toast-container {
    position: fixed;
    top: var(--spacing-4);
    right: var(--spacing-4);
    z-index: 1200;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    pointer-events: none;
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--neutral-400);
    pointer-events: auto;
    animation: toastSlideIn 0.3s ease;
    max-width: 100%;
}

.toast.toast-hiding {
    animation: toastSlideOut 0.3s ease forwards;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

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

.toast-success .toast-icon {
    color: var(--success);
}

.toast-danger, .toast-error {
    border-left-color: var(--danger);
}

.toast-danger .toast-icon, .toast-error .toast-icon {
    color: var(--danger);
}

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

.toast-warning .toast-icon {
    color: var(--warning);
}

.toast-info {
    border-left-color: var(--primary);
}

.toast-info .toast-icon {
    color: var(--primary);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--neutral-900);
    margin-bottom: var(--spacing-1);
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    word-wrap: break-word;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--neutral-400);
    cursor: pointer;
    padding: var(--spacing-1);
    margin: calc(-1 * var(--spacing-1));
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--neutral-100);
    color: var(--neutral-600);
}

.toast-close svg {
    width: 16px;
    height: 16px;
}

/* Toast Progress Bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--neutral-200);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    overflow: hidden;
}

.toast-progress-bar {
    height: 100%;
    background: currentColor;
    opacity: 0.3;
    animation: toastProgress linear forwards;
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

/* =============================================================================
   BUTTON LOADING STATES
   ============================================================================= */

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btnSpin 0.6s linear infinite;
    opacity: 0.8;
}

.btn-loading.btn-primary::after,
.btn-loading.btn-success::after,
.btn-loading.btn-danger::after {
    border-color: rgba(255, 255, 255, 0.6);
    border-right-color: transparent;
}

.btn-loading.btn-secondary::after,
.btn-loading.btn-outline::after {
    border-color: var(--neutral-500);
    border-right-color: transparent;
}

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

/* Button with icon - hide icon during loading */
.btn-loading .btn-icon,
.btn-loading .btn-text {
    visibility: hidden;
}

/* =============================================================================
   RESPONSIVE TOAST
   ============================================================================= */

@media (max-width: 480px) {
    .toast-container {
        left: var(--spacing-4);
        right: var(--spacing-4);
        max-width: none;
    }
}

/* =============================================================================
   COUNT LIST PAGE STYLES
   ============================================================================= */

.form-row {
    display: flex;
    gap: var(--spacing-4);
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
}

.location-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.location-actions {
    display: flex;
    gap: var(--spacing-2);
}

.item-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.item-number {
    font-family: var(--font-mono);
    font-weight: 500;
}

.quantity-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    padding: var(--spacing-1) var(--spacing-2);
    background: var(--neutral-100);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-family: var(--font-mono);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-1);
}

.validation-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background: var(--warning-50);
    border: 1px solid var(--warning-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-2);
}

.validation-item:last-child {
    margin-bottom: 0;
}

.validation-icon {
    width: 20px;
    height: 20px;
    color: var(--warning);
    flex-shrink: 0;
}

.validation-message {
    font-size: var(--font-size-sm);
}

.p-0 {
    padding: 0;
}

.location-group {
    margin-bottom: var(--spacing-4);
}

/* =============================================================================
   INSTRUCTIONS MODAL STYLES
   ============================================================================= */

.instructions-steps {
    background: var(--primary-50);
    border: 2px solid var(--primary-light);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.instructions-steps h3 {
    margin: 0 0 var(--spacing-4) 0;
    color: var(--primary-dark);
    font-size: var(--font-size-lg);
}

.instruction-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.instruction-step:last-child {
    margin-bottom: 0;
}

.instruction-step-number {
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.instruction-step-text {
    color: var(--primary-dark);
}

.instruction-pdf-section {
    background: var(--neutral-100);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.instruction-timer {
    text-align: center;
    padding: var(--spacing-4);
    background: var(--neutral-200);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-4);
}

.instruction-timer.waiting {
    background: var(--neutral-200);
}

.instruction-timer.running {
    background: var(--warning-50);
}

.instruction-timer.complete {
    background: var(--success-50);
}

.timer-display {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    color: var(--warning);
    margin: 0;
}

.timer-label {
    font-size: var(--font-size-sm);
    color: var(--warning-dark);
    margin: var(--spacing-2) 0 0 0;
}

/* =============================================================================
   CONFIRM DIALOG (Custom Modal)
   ============================================================================= */

.confirm-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1300;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.confirm-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.confirm-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 400px;
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1400;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.confirm-dialog.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.confirm-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--neutral-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.confirm-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.confirm-icon svg {
    width: 24px;
    height: 24px;
}

.confirm-icon.warning {
    background: var(--warning-50);
    color: var(--warning);
}

.confirm-icon.danger {
    background: var(--danger-50);
    color: var(--danger);
}

.confirm-icon.info {
    background: var(--primary-50);
    color: var(--primary);
}

.confirm-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--neutral-900);
    margin: 0;
}

.confirm-body {
    padding: var(--spacing-5);
}

.confirm-message {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

.confirm-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--neutral-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* =============================================================================
   OFFLINE INDICATOR
   ============================================================================= */

.offline-indicator {
    position: fixed;
    bottom: var(--spacing-4);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--neutral-800);
    color: white;
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    box-shadow: var(--shadow-lg);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.offline-indicator.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.offline-indicator.online {
    background: var(--success);
}

.offline-indicator .offline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
    animation: pulse 2s infinite;
}

.offline-indicator.online .offline-dot {
    background: white;
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* =============================================================================
   AUTOCOMPLETE ENHANCEMENTS
   ============================================================================= */

.autocomplete-item.highlighted {
    background: var(--primary-50);
    border-left: 3px solid var(--primary);
}

.autocomplete-hint {
    font-size: var(--font-size-xs);
    color: var(--neutral-400);
    padding: var(--spacing-2) var(--spacing-3);
    border-top: 1px solid var(--neutral-100);
    text-align: center;
}