/* General Styles */
:root {
    --primary-color: #00d4ff;
    --primary-dark: #0099ff;
    --accent-color: #ffa500;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #0f1419;
    --card-bg: #1a1f2e;
    --border-color: #2d3748;
}

[data-bs-theme="light"] {
    --primary-color: #0099ff;
    --primary-dark: #0056b3;
    --accent-color: #ff8c00;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --dark-bg: #ffffff;
    --card-bg: #f3f4f6;
    --border-color: #e5e7eb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Times New Roman', serif;
    background: linear-gradient(135deg, #0f1419 0%, #1a202c 100%);
    color: #e2e8f0;
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.3s ease;
}

[data-bs-theme="light"] body {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #1f2937;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 30px 0;
}

/* Navbar Customization */
.navbar {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 20px;
    letter-spacing: 0.5px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    transition: all 0.3s ease;
    margin: 0 5px;
    border-radius: 6px;
    padding: 6px 12px !important;
    color: #cbd5e1 !important;
}

.nav-link:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff !important;
    transform: translateY(-2px);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 153, 255, 0.2) 100%);
    color: #00d4ff !important;
    border-bottom: 2px solid #00d4ff;
}

[data-bs-theme="light"] .nav-link {
    color: #4b5563 !important;
}

[data-bs-theme="light"] .nav-link:hover {
    background: rgba(0, 153, 255, 0.1);
    color: #0099ff !important;
}

[data-bs-theme="light"] .nav-link.active {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.15) 0%, rgba(0, 153, 255, 0.1) 100%);
    color: #0099ff !important;
}

/* Utility Classes */
.container-fluid {
    padding-left: 20px;
    padding-right: 20px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.25);
    border-color: rgba(0, 212, 255, 0.3);
}

/* Buttons */
.btn {
    transition: all 0.3s ease;
    border-radius: 8px;
    font-weight: 500;
    padding: 10px 20px;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
    background: linear-gradient(135deg, #00e4ff 0%, #00a9ff 100%);
}

.btn-outline-light {
    border-color: #cbd5e1;
    color: #cbd5e1;
}

.btn-outline-light:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: #00d4ff;
    color: #00d4ff;
}

/* Form Elements */
.form-control,
.form-select {
    background: -webkit-gradient(linear, left top, left bottom, from(#1a1f2e), to(#0f1419));
    background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
    border: 1px solid var(--border-color);
    color: #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s ease;
    padding: 10px 12px;
}

.form-select option {
    background-color: #1a1f2e;
    color: #e2e8f0;
}

.form-select option:checked {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    color: #000000;
}

.form-control::placeholder {
    color: #64748b;
}

.form-control:focus,
.form-select:focus {
    background: linear-gradient(135deg, #1a2038 0%, #141a26 100%);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
    color: #e2e8f0;
}

[data-bs-theme="light"] .form-control,
[data-bs-theme="light"] .form-select {
    background: #ffffff;
    border: 1px solid #d1d5db;
    color: #1f2937;
}

[data-bs-theme="light"] .form-select option {
    background-color: #ffffff;
    color: #1f2937;
}

[data-bs-theme="light"] .form-select option:checked {
    background: linear-gradient(135deg, #0099ff 0%, #0056b3 100%);
    color: #ffffff;
}

[data-bs-theme="light"] .form-control::placeholder {
    color: #9ca3af;
}

[data-bs-theme="light"] .form-control:focus,
[data-bs-theme="light"] .form-select:focus {
    background: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.1);
    color: #1f2937;
}

/* Badges */
.badge {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.badge-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff;
}

.badge-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--card-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #00e4ff 0%, #00a9ff 100%);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 15px 0;
    }

    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }

    .form-control,
    .form-select {
        font-size: 16px;
    }
}

/* Alert Styles */
.alert {
    border-radius: 8px;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-left: 4px solid #10b981;
    color: #d1fae5;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    border-left: 4px solid #ef4444;
    color: #fee2e2;
}

.alert-info {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 153, 255, 0.1) 100%);
    border-left: 4px solid #00d4ff;
    color: #cffafe;
}

[data-bs-theme="light"] .alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: #065f46;
}

[data-bs-theme="light"] .alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: #7f1d1d;
}

[data-bs-theme="light"] .alert-info {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.1) 0%, rgba(0, 102, 204, 0.1) 100%);
    color: #0c2340;
}

/* Table Styles */
.table {
    color: #e2e8f0;
    border-color: var(--border-color);
}

.table thead {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 153, 255, 0.05) 100%);
    border-color: var(--border-color);
}

.table th {
    color: #00d4ff;
    font-weight: 600;
    border-color: var(--border-color);
}

.table tbody tr {
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
    transform: translateX(5px);
}

[data-bs-theme="light"] .table {
    color: #1f2937;
}

[data-bs-theme="light"] .table thead {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.08) 0%, rgba(0, 102, 204, 0.08) 100%);
}

[data-bs-theme="light"] .table th {
    color: #0099ff;
}

[data-bs-theme="light"] .table tbody tr:hover {
    background: rgba(0, 153, 255, 0.05);
}