/**
 * Phone Repair Shop Management System
 * Modern Professional Light Theme
 * Author: Antigravity AI
 */

/* ========================================
   IMPORT FONTS
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ========================================
   CSS VARIABLES & DESIGN TOKENS
   ======================================== */
:root {
    /* Primary Colors (Blue) */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Success Colors (Green) */
    --success-50: #f0fdf4;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;

    /* Warning Colors (Amber) */
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Danger Colors (Red) */
    --danger-50: #fef2f2;
    --danger-500: #ef4444;
    --danger-600: #dc2626;

    /* Neutral Colors (Slate) */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;

    /* Theme Semantic Colors (Light Mode) */
    --bg-primary: #f8fafc;
    /* Main background (very light slate) */
    --bg-secondary: #ffffff;
    /* Card/Sidebar background (white) */
    --bg-tertiary: #f1f5f9;
    /* Hover states/Headers (light slate) */

    --border-color: #e2e8f0;
    /* Light border */

    --text-primary: #0f172a;
    /* Main text (almost black) */
    --text-secondary: #475569;
    /* Secondary text (dark slate) */
    --text-muted: #94a3b8;
    /* Muted text (medium slate) */

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-700);
}

/* ========================================
   LAYOUT
   ======================================== */
.page-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-xl);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 50;
    transition: transform var(--transition-base);
}

.sidebar-header {
    margin-bottom: var(--spacing-2xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-2xl);
    background: var(--bg-primary);
    width: 100%;
    transition: margin-left var(--transition-base);
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-50);
    color: var(--primary-700);
}

.nav-link.active {
    font-weight: var(--font-weight-semibold);
}

.nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

/* ========================================
   STAT CARDS
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-500);
}

.stat-card.success::before {
    background: var(--success-500);
}

.stat-card.warning::before {
    background: var(--warning-500);
}

.stat-card.danger::before {
    background: var(--danger-500);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--primary-50);
    color: var(--primary-600);
}

.stat-card.success .stat-icon {
    background: var(--success-50);
    color: var(--success-600);
}

.stat-card.warning .stat-icon {
    background: var(--warning-50);
    color: var(--warning-600);
}

.stat-card.danger .stat-icon {
    background: var(--danger-50);
    color: var(--danger-600);
}

.stat-value {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary-600);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-700);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success-600);
    color: white;
}

.btn-success:hover {
    background: var(--success-700);
}

.btn-danger {
    background: var(--danger-600);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-700);
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--neutral-300);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.813rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

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

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

.form-input,
.form-select,
.form-textarea,
.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* ========================================
   TABLES
   ======================================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
    /* Prevent wrapping on small screens */
}

.table thead {
    background: var(--bg-tertiary);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* ========================================
   BADGES
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-50);
    color: var(--primary-700);
}

.badge-success {
    background: var(--success-50);
    color: var(--success-700);
}

.badge-warning {
    background: var(--warning-50);
    color: var(--warning-700);
}

.badge-danger {
    background: var(--danger-50);
    color: var(--danger-700);
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    background: var(--bg-tertiary);
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
}

.close {
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-muted);
}

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

/* ========================================
   ALERTS
   ======================================== */
.alert {
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
}

.alert-success {
    background: var(--success-50);
    border-color: var(--success-500);
    color: var(--success-700);
}

.alert-danger {
    background: var(--danger-50);
    border-color: var(--danger-500);
    color: var(--danger-700);
}

/* ========================================
   RESPONSIVE DESIGN (MOBILE)
   ======================================== */
/* Mobile Menu Button */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 200;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    cursor: pointer;
}

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

    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
        padding-top: 4rem;
        /* Space for toggle button */
    }

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

    .calendar-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    /* Make tables scrollable */
    .table-container {
        margin: 0 -1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

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

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

.text-muted {
    color: var(--dark-text-muted);
}

.text-primary {
    color: var(--primary-400);
}

.text-success {
    color: var(--success-500);
}

.text-warning {
    color: var(--warning-500);
}

.text-danger {
    color: var(--danger-500);
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.d-flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    h1 {
        font-size: 2rem;
    }
}

/* ========================================
   PRINT STYLES (80mm Thermal Printer)
   ======================================== */
@media print {
    @page {
        size: 80mm auto;
        margin: 0;
    }

    body {
        width: 80mm;
        background: white;
        color: black;
    }

    .no-print {
        display: none !important;
    }

    .print-only {
        display: block !important;
    }
}