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

:root {
    /* Primary Colors */
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --primary-light: #7c8ff0;

    /* Secondary Colors */
    --secondary-color: #764ba2;
    --secondary-dark: #6a4190;
    --secondary-light: #8b5fb8;

    /* Accent Colors */
    --accent-color: #f093fb;
    --accent-dark: #d67ce7;
    --accent-light: #f5a8ff;

    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a2e;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);

    /* Success/Danger/Warning Colors */
    --success: #48bb78;
    --success-light: #f0fff4;
    --danger: #f56565;
    --danger-light: #fff5f5;
    --warning: #ed8936;
    --warning-light: #fffaf0;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-code: 'Consolas', 'Monaco', monospace;

    /* 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;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ===================================
   Base Styles
   =================================== */
body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===================================
   Header
   =================================== */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.logo i {
    font-size: 1.75rem;
}

nav {
    display: flex;
    gap: var(--spacing-sm);
}

nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

nav a:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

nav a.active {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* ===================================
   Main Content
   =================================== */
main {
    flex: 1;
    margin-bottom: var(--spacing-2xl);
}

/* ===================================
   Welcome Section
   =================================== */
.welcome-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.welcome-section h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

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

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.75rem;
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-content h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===================================
   Sections
   =================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-header h2 i {
    color: var(--primary-color);
}

/* ===================================
   Prediction Grid
   =================================== */
.prediction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.prediction-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.prediction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.prediction-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);
}

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

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.badge-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
}

.numbers {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    transition: transform var(--transition-fast);
}

.number:hover {
    transform: scale(1.1);
}

.stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat i {
    color: var(--primary-color);
    width: 20px;
}

.method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

.method i {
    color: var(--accent-color);
}

/* ===================================
   Prediction Form
   =================================== */
.prediction-form-section {
    margin-bottom: var(--spacing-2xl);
}

.prediction-form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group select,
.form-group input[type="date"],
.form-group input[type="text"] {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    background: white;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group select:focus,
.form-group input[type="date"]:focus,
.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

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

.btn-success {
    background: linear-gradient(135deg, var(--success), #38a169);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #38a169, var(--success));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(72, 187, 120, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #e53e3e);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #e53e3e, var(--danger));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 101, 101, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #dd6b20);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #dd6b20, var(--warning));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(237, 137, 54, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
}

.btn-info:hover {
    background: linear-gradient(135deg, #3182ce, #4299e1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 153, 225, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ===================================
   Table Styles
   =================================== */
.table-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-2xl);
    overflow-x: auto;
}

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

.data-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.data-table thead th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.data-table thead th::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: rgba(255, 255, 255, 0.3);
}

.data-table thead th:last-child::after {
    display: none;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast);
}

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

.data-table tbody td {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

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

.btn-action {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-view:hover {
    color: var(--primary-color);
}

.btn-edit:hover {
    color: var(--warning);
}

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

/* ===================================
   Analysis Section
   =================================== */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.analysis-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.analysis-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.analysis-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.analysis-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.analysis-item:hover {
    background: var(--bg-secondary);
}

.analysis-item i {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.analysis-item span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.top-numbers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--spacing-sm);
}

.top-number {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    text-align: center;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.top-number:hover {
    transform: translateY(-2px);
    background: var(--border-color);
}

.top-number .num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.top-number .count {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

.insight-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.insight {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.insight:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.insight i {
    color: var(--accent-color);
    flex-shrink: 0;
    margin-top: 3px;
}

.insight p {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ===================================
   No Data State
   =================================== */
.no-data {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
}

.no-data i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.no-data h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.no-data p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===================================
   Admin Section
   =================================== */
.admin-dashboard {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-actions {
    margin-bottom: var(--spacing-2xl);
}

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

.action-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    text-align: center;
}

.action-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.action-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

/* ===================================
   Info Cards
   =================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.info-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.info-item:hover {
    background: var(--bg-secondary);
}

.info-item i {
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-item span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===================================
   Footer
   =================================== */
footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .welcome-section h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

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

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

    .table-container {
        padding: var(--spacing-md);
        overflow-x: scroll;
    }

    .data-table {
        font-size: 0.75rem;
    }

    .data-table thead th,
    .data-table tbody td {
        padding: var(--spacing-sm);
    }

    .actions {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        flex-direction: column;
        width: 100%;
    }

    nav a {
        justify-content: center;
    }

    #predictionForm {
        grid-template-columns: 1fr;
    }
}

/* ====== Login/Register Styles ====== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1rem;
}

.login-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

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

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form .input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.login-form .input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    z-index: 1;
}

.login-form .input-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.login-form .input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-form .form-options {
    margin-bottom: 1.5rem;
}

.login-form .checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-form .checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.login-form .checkmark {
    position: relative;
    display: inline-block;
    width: 18px;
    height: 18px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-right: 0.75rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.login-form .checkbox-container:hover .checkmark {
    border-color: var(--primary-color);
}

.login-form .checkbox-container input:checked~.checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.login-form .checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.login-form .checkbox-container input:checked~.checkmark:after {
    display: block;
}

.login-form .btn-block {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
}

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

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

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

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

/* ====== Logout Link Styles ====== */
.logout-link {
    color: var(--danger) !important;
}

.logout-link:hover {
    color: #f87171 !important;
    background: rgba(245, 101, 101, 0.1) !important;
}

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

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .welcome-section h1 {
        font-size: 1.5rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo i {
        font-size: 1.5rem;
    }
}