:root {
    --primary: #0a2c5a;
    --secondary: #d4af37;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary: #1a4b8c;
    --light: #212529;
    --dark: #f8f9fa;
    --gray: #adb5bd;
    --light-gray: #343a40;
    --white: #2b3035;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    transition: var(--transition);
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 270px;
    background-color: var(--primary);
    color: var(--white);
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: var(--transition);
    z-index: 1000;
}

.sidebar-header {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.logo-icon {
    font-size: 1.8rem;
    margin-right: 0.5rem;
    color: var(--secondary);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.logo-text span {
    color: var(--secondary);
}

.sidebar-search {
    position: relative;
    margin-top: 1rem;
}

.sidebar-search input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.5rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 0.9rem;
}

.sidebar-search input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.sidebar-search i {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
}

.nav-menu {
    list-style: none;
    padding: 1.5rem 0;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-left: 3px solid var(--secondary);
}

.nav-link i {
    margin-right: 0.8rem;
    font-size: 1.1rem;
}

.dropdown-container {
    display: none;
    padding-left: 2.5rem;
}

.dropdown-item {
    padding: 0.6rem 0;
}

.dropdown-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.dropdown-link:hover {
    color: var(--secondary);
}

/* Main Content Styles */
.main-content {
    flex: 1;
    margin-left: 270px;
    padding: 1.5rem;
    transition: var(--transition);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--light-gray);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark);
    font-size: 1.5rem;
    cursor: pointer;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray);
    transition: var(--transition);
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: var(--white);
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--secondary);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.theme-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--dark);
}

.sun-icon {
    left: 8px;
    opacity: 1;
}

.moon-icon {
    right: 8px;
    opacity: 0;
}

input:checked ~ .sun-icon {
    opacity: 0;
}

input:checked ~ .moon-icon {
    opacity: 1;
}

.section-title {
    margin-bottom: 1.5rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 50px;
    background-color: var(--secondary);
}

.card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: 1.5rem;
    background-color: var(--primary);
    color: var(--white);
    position: relative;
}

.card-title {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.card-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--secondary);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background-color: var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #063a77;
}

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

.btn-secondary:hover {
    background-color: #c09c30;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.badge-secondary {
    background-color: var(--secondary);
    color: var(--dark);
}

.feature-list {
    list-style: none;
    margin-bottom: 1rem;
}

.feature-item {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
}

.feature-icon {
    margin-right: 0.8rem;
    color: var(--secondary);
    font-size: 1rem;
    padding-top: 0.2rem;
}

.expandable-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.expandable-trigger {
    cursor: pointer;
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--light-gray);
}

.expandable-trigger:hover {
    color: var(--primary);
}

.expandable-trigger i {
    transition: transform 0.3s ease;
}

.expandable-trigger.active i {
    transform: rotate(180deg);
}

.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted var(--primary);
    cursor: help;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
    border-radius: 6px;
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
}

.tooltip .tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--dark) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.search-results {
    display: none;
    background-color: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
    position: absolute;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
}

.search-item {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--light-gray);
    cursor: pointer;
}

.search-item:hover {
    background-color: var(--light-gray);
}

.search-item-title {
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.search-item-category {
    font-size: 0.8rem;
    color: var(--gray);
}

.floating-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    cursor: pointer;
    z-index: 99;
    transition: var(--transition);
}

.floating-button:hover {
    transform: scale(1.1);
}

.backtotop {
    display: none;
}

footer {
    background-color: var(--primary);
    color: var(--white);
    padding: 2rem 1.5rem;
    margin-top: 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-section {
    flex: 1;
    min-width: 250px;
    margin-bottom: 1.5rem;
}

.footer-title {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary);
}

.footer-links {
    list-style: none;
}

.footer-link {
    padding: 0.4rem 0;
}

.footer-link a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-link a:hover {
    color: var(--secondary);
    padding-left: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .main-content {
        margin-left: 0;
    }
    .menu-toggle {
        display: block;
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }
    .overlay.active {
        display: block;
    }
}

@media screen and (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        flex-direction: column;
    }
    .footer-section {
        margin-bottom: 2rem;
    }
}

@media screen and (max-width: 576px) {
    .top-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .theme-switch {
        margin-top: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}