/* ============================================
   Smart Compound Management Platform
   Main Stylesheet - Professional Theme v2
   Developer: Khaled ELbetaar
   ============================================ */

/* CSS Variables - Enhanced Contrast */
:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --primary-bg: #EFF6FF;
    --secondary: #10B981;
    --secondary-dark: #059669;
    --secondary-bg: #ECFDF5;
    --accent: #F59E0B;
    --accent-bg: #FFFBEB;
    --background: #F1F5F9;
    --surface: #FFFFFF;
    --surface-hover: #F8FAFC;
    --text: #0F172A;
    --text-secondary: #334155;
    --text-light: #475569;
    --text-lighter: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;
    --danger-text: #991B1B;
    --success: #16A34A;
    --success-bg: #F0FDF4;
    --success-text: #166534;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --warning-text: #92400E;
    --info: #2563EB;
    --info-bg: #EFF6FF;
    --info-text: #1E40AF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px 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);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.2s ease;
}

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

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

body {
    font-family: 'Cairo', 'Noto Sans Bengali', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    color: var(--text);
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; color: var(--text-secondary); }

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

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

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    color: white;
}

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

.btn-outline:hover {
    background: var(--surface-hover);
    color: var(--text);
    border-color: var(--text-lighter);
}

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

.btn-danger:hover {
    background: #B91C1C;
    color: white;
}

.btn-block {
    width: 100%;
}

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

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

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

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
    color: var(--text-lighter);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 0.75rem center;
    padding-left: 2rem;
}

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

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-lighter);
}

.input-icon .form-control {
    padding-right: 2.5rem;
}

.input-icon .toggle-password {
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-lighter);
    cursor: pointer;
    padding: 0.25rem;
}

/* Cards */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

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

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
    color: var(--text);
}

.card-body {
    padding: 0;
}

/* Alerts */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid #86EFAC;
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid #FCA5A5;
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid #FCD34D;
}

.alert-info {
    background: var(--info-bg);
    color: var(--info-text);
    border: 1px solid #93C5FD;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-success { background: var(--success-bg); color: var(--success-text); }
.badge-danger { background: var(--danger-bg); color: var(--danger-text); }
.badge-warning { background: var(--warning-bg); color: var(--warning-text); }
.badge-info { background: var(--info-bg); color: var(--info-text); }
.badge-gray { background: #F1F5F9; color: #334155; }
.badge-secondary { background: #F1F5F9; color: #475569; }

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: right;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: var(--surface-hover);
    font-weight: 700;
    color: var(--text);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-light);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.stat-icon.primary { background: var(--primary); }
.stat-icon.success { background: var(--secondary); }
.stat-icon.warning { background: var(--accent); }
.stat-icon.danger { background: var(--danger); }
.stat-icon.info { background: var(--info); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Grid */
.grid {
    display: grid;
    gap: 1rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

/* Hidden */
.hidden { display: none !important; }

/* Login Page - Professional Gradient */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #2563EB 100%);
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.75rem;
    color: white;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.login-header p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.login-form .form-group {
    margin-bottom: 1rem;
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.remember-me input {
    width: 16px;
    height: 16px;
}

.forgot-link {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    color: var(--text-light);
    font-size: 0.75rem;
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
    color: white;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
    box-shadow: -4px 0 20px rgba(0,0,0,0.15);
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-header .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sidebar-header h3 {
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.3;
    color: white;
}

.sidebar-header small {
    color: rgba(255,255,255,0.6);
    font-size: 0.75rem;
}

.sidebar-nav {
    padding: 0.75rem 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: rgba(255,255,255,0.8);
    font-size: 0.875rem;
    transition: var(--transition);
    border-right: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

.sidebar-nav a.active {
    background: rgba(37, 99, 235, 0.2);
    color: white;
    border-right-color: var(--primary);
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
    opacity: 0.9;
}

.sidebar-nav .nav-section {
    padding: 0.75rem 1.25rem 0.375rem;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.5);
    font-weight: 600;
}

.main-content {
    flex: 1;
    margin-right: 260px;
    min-height: 100vh;
    background: var(--background);
}

.topbar {
    background: var(--surface);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-title h2 {
    font-size: 1.125rem;
    margin: 0;
    color: var(--text);
}

.topbar-title p {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.user-menu:hover {
    background: var(--surface-hover);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
}

.content-area {
    padding: 1.5rem;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quick-action {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--border-light);
}

.quick-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text);
    border-color: var(--primary);
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.quick-action-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.quick-action-desc {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Booking Card */
.booking-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-sm);
    border-right: 4px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.booking-card.approved { border-right-color: var(--success); }
.booking-card.pending { border-right-color: var(--warning); }
.booking-card.rejected { border-right-color: var(--danger); }

.booking-info h4 {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.booking-info p {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
}

/* Service Card */
.service-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-light);
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.service-card-image {
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.service-card-body {
    padding: 1rem;
}

.service-card-body h4 {
    font-size: 1rem;
    margin-bottom: 0.375rem;
    color: var(--text);
}

.service-card-body p {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.service-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--transition);
}

.pagination a {
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
}

.pagination a:hover {
    background: var(--surface-hover);
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: var(--surface);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.25rem;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* QR Code Display */
.qr-display {
    text-align: center;
    padding: 2rem;
}

.qr-display .qr-code {
    width: 200px;
    height: 200px;
    margin: 0 auto 1rem;
    background: white;
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.qr-display h3 {
    margin-bottom: 0.5rem;
    color: var(--text);
}

.qr-display p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        right: -100%;
        transform: none;
    }

    .sidebar.open {
        right: 0;
    }

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

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-area {
        padding: 1rem;
    }
}

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

    .quick-actions {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 1.5rem;
    }
}

/* Print */
@media print {
    .sidebar, .topbar, .btn, .no-print {
        display: none !important;
    }

    .main-content {
        margin: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}