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

::selection {
    background-color: var(--primary-400);
    color: #000000 !important;
}

::-moz-selection {
    background-color: var(--primary-400);
    color: #000000 !important;
}

:root {
    --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: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray-50: #070b14;
    --gray-100: #0f172a;
    --gray-200: #1e293b;
    --gray-300: #334155;
    --gray-600: #94a3b8;
    --gray-700: #cbd5e1;
    --gray-800: #e2e8f0;
    --gray-900: #f8fafc;
}

:root[data-theme='light'] {
    --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: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    font-variant-numeric: lining-nums tabular-nums;
    -webkit-font-smoothing: antialiased;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700), var(--primary-900));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    flex-direction: column;
}

.auth-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    padding: 3rem;
    max-width: 450px;
    width: 100%;
}

.register-card {
    max-width: 700px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: white;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
    margin-bottom: 1rem;
    color: var(--primary-600);
}

.auth-logo h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.auth-logo p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.auth-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin-top: 2rem;
    text-align: center;
}

/* Forms */
.auth-form {
    margin-top: 1.5rem;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    color: #EEEEEE;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.25);
}

.theme-toggle-btn {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 3000;
    border: 1px solid rgba(15, 23, 42, 0.15);
    background: rgba(255, 255, 255, 0.9);
    color: var(--gray-900);
    border-radius: 999px;
    padding: 0.6rem 0.95rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    backdrop-filter: blur(8px);
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(2, 6, 23, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.theme-toggle-btn:hover {
    transform: translateY(-1px);
    border-color: var(--primary-500);
    box-shadow: 0 12px 24px rgba(2, 6, 23, 0.24);
}

.theme-toggle-btn .theme-icon {
    width: 1.2rem;
    height: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 0.85rem;
    background: rgba(59, 130, 246, 0.18);
}

.theme-toggle-btn .theme-text {
    min-width: 2.75rem;
    text-align: left;
}

.theme-toggle-btn.is-light .theme-icon {
    background: rgba(245, 158, 11, 0.2);
}

.form-group small {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.form-group textarea {
    resize: vertical;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

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

/* Messages */
.error-message,
.success-message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.error-message {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.success-message {
    background: #d1fae5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

/* Dashboard Layout */
.dashboard-container {
    min-height: 100vh;
    background: var(--gray-50);
}

.navbar {
    background: rgba(13, 11, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
}

.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-600);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.navbar-nav {
    display: flex;
    gap: 0.5rem;
    list-style: none;
}

.nav-link {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
}

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

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-900);
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: #d1fae5;
    color: #000000;
}

.badge-warning {
    background: #fef3c7;
    color: #000000;
}

.badge-danger {
    background: #fee2e2;
    color: #000000;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--gray-600);
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-info h3 {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.icon-blue {
    background: var(--primary-100);
}

.icon-green {
    background: #d1fae5;
}

.icon-yellow {
    background: #fef3c7;
}

.icon-purple {
    background: #e9d5ff;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--gray-200);
}

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

thead {
    background: var(--gray-50);
}

th {
    padding: 0.75rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    color: var(--gray-900);
    border-top: 1px solid var(--gray-200);
}

tbody tr {
    transition: background 0.2s;
}

tbody tr:hover {
    background: var(--gray-50);
}

/* Utilities */
.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .navbar-nav {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}