/* Kayal Aqua 2025 - Modern Professional Stylesheet */

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

:root {
    /* Professional Color Palette - Ocean Theme */
    --primary-color: #0f4c81;
    --primary-dark: #0a3359;
    --primary-light: #1a6bb3;
    --accent-color: #f8f9fa;
    --secondary-color: #64b5f6;
    
    /* Background Colors */
    --bg-main: #f5f7fa;
    --bg-card: #ffffff;
    --bg-hover: #f0f2f5;
    
    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #95a5a6;
    
    /* Border & Shadow */
    --border-color: #e1e8ed;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    
    /* Status Colors */
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--accent-color);
    padding: 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.75rem;
    opacity: 0.9;
    display: block;
    margin-top: -4px;
    font-weight: 400;
}

/* Navigation */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.main-nav {
    display: flex;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.main-nav a {
    color: var(--accent-color);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.main-nav i {
    font-size: 1.1rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--accent-color);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-control,
input[type="text"],
input[type="number"],
input[type="date"],
input[type="tel"],
input[type="password"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 0.75rem var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-card);
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background: #229954;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #5a6268;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

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

.btn-export:hover {
    background: #42a5f5;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--accent-color);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

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

.data-table tbody tr {
    transition: background-color 0.2s ease;
}

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

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

/* Action Buttons in Tables */
.action-btns {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-edit,
.btn-delete {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    color: white;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.btn-edit {
    background: var(--info);
}

.btn-edit:hover {
    background: #2980b9;
    transform: scale(1.05);
}

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

.btn-delete:hover {
    background: #c0392b;
    transform: scale(1.05);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.stat-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Alerts/Flash Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.pagination a {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 40px;
    text-align: center;
}

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

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

.pagination-ellipsis {
    padding: 0.5rem;
    color: var(--text-secondary);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

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

.login-logo {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile Responsive Design */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        padding: var(--spacing-sm);
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 60px);
        background: var(--primary-dark);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: var(--spacing-md);
    }
    
    .main-nav li {
        width: 100%;
    }
    
    .main-nav a {
        width: 100%;
        justify-content: flex-start;
        padding: var(--spacing-md);
    }
    
    /* Mobile Table Optimization */
    .data-table {
        font-size: 0.85rem;
    }
    
    .data-table thead {
        display: none;
    }
    
    .data-table tbody tr {
        display: block;
        margin-bottom: var(--spacing-md);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
    }
    
    .data-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm);
        border: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .data-table td:last-child {
        border-bottom: none;
    }
    
    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
    }
    
    /* Mobile Form Grid */
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    /* Mobile Stats Grid */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    /* Mobile Cards */
    .card-body {
        padding: var(--spacing-md);
    }
    
    /* Mobile Buttons */
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .action-btns {
        width: 100%;
        justify-content: flex-end;
    }
    
    .action-btns .btn-edit,
    .action-btns .btn-delete {
        width: auto;
    }
}

@media screen and (max-width: 480px) {
    .logo-text {
        font-size: 1.1rem;
    }
    
    .logo-subtitle {
        display: none;
    }
    
    .card-header h2 {
        font-size: 1.1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

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

/* Print Styles */
@media print {
    .header,
    .nav-toggle,
    .main-nav,
    .btn,
    .action-btns {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }
}