:root {
    --primary: #ff48b0;
    --primary-hover: #ff6bc0;
    --secondary: #6b48ff;
    --accent: #48b0ff;
    --dark-bg: #1a1a1a;
    --darker-bg: #121212;
    --light-text: #f8f9fa;
    --gray-text: #adb5bd;
    --border-color: #2a2a2a;
    --card-bg: #232323;
    --sidebar-width: 250px;
    --header-height: 60px;
    --gradient-start: #ff48b0;
    --gradient-mid: #6b48ff;
    --gradient-end: #48b0ff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    margin: 0;
    padding: 0;
    transition: all 0.3s;
    letter-spacing: 0.02em;
}

/* Sidebar styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--sidebar-width);
    background-color: var(--darker-bg);
    z-index: 1000;
    transition: all 0.3s ease;
    transform: translateX(-100%);
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.2);
}

.sidebar.show {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand {
    color: var(--light-text);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.sidebar-brand i {
    font-size: 1.8rem;
}

.sidebar-toggle {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(255, 72, 176, 0.3);
    transition: all 0.3s;
}

.sidebar-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 72, 176, 0.4);
}

.sidebar-menu {
    padding: 20px 0;
    list-style: none;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--gray-text);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.sidebar-menu a:hover, 
.sidebar-menu a.active {
    color: var(--light-text);
    background: linear-gradient(90deg, rgba(255, 72, 176, 0.1), transparent);
    border-left: 3px solid;
    border-image: linear-gradient(to bottom, var(--gradient-start), var(--gradient-mid)) 1;
}

.sidebar-menu a i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Freight Type Selector Styles */
.freight-type-selector {
    margin-top: 15px;
}

.freight-type-selector .btn-group {
    border-radius: 8px;
    overflow: hidden;
}

.freight-type-selector .btn {
    padding: 10px 0;
    font-weight: 600;
    transition: all 0.3s ease;
}

.freight-type-selector .btn-outline-primary {
    color: var(--light-text);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.05);
}

.freight-type-selector .btn-outline-primary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Main content styles */
.main-content {
    margin-left: 0;
    padding: 80px 20px 20px;
    min-height: 100vh;
    transition: all 0.3s;
}

/* Header styles */
.main-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    background-color: var(--darker-bg);
    display: flex;
    align-items: center;
    padding: 0 20px;
    z-index: 999;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.header-title {
    margin-left: 50px;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Card styles */
.card {
    background-color: var(--card-bg);
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.card-header {
    background: linear-gradient(90deg, rgba(255, 72, 176, 0.1), rgba(107, 72, 255, 0.05));
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    font-weight: 600;
    color: var(--primary);
}

.card-body {
    padding: 20px;
}

/* Button styles */
.btn {
    border-radius: 6px;
    font-weight: 500;
    padding: 8px 16px;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    border: none;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 10px rgba(255, 72, 176, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(255, 72, 176, 0.3);
}

.btn-secondary {
    background-color: #495057;
    border-color: #495057;
}

.btn-secondary:hover {
    background-color: #6c757d;
    border-color: #6c757d;
}

/* Form styles */
.form-control {
    background-color: #343a40;
    border: 1px solid var(--border-color);
    color: var(--light-text);
    border-radius: 6px;
    padding: 10px 15px;
}

.form-control:focus {
    background-color: #2a2a2a;
    color: var(--light-text);
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(255, 72, 176, 0.25);
}

.form-label {
    color: var(--gray-text);
    font-weight: 500;
    margin-bottom: 8px;
}

.form-text {
    color: var(--gray-text);
}

/* Table styles */
.table {
    color: var(--light-text);
}

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

.table td {
    border-color: var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 107, 107, 0.05);
}

/* Alert styles */
.alert-success {
    background-color: rgba(64, 192, 87, 0.2);
    border-color: rgba(64, 192, 87, 0.3);
    color: #40c057;
}

.alert-danger {
    background-color: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.3);
    color: var(--primary);
}

/* Badge styles */
.badge {
    padding: 0.5em 0.7em;
    font-weight: 500;
    font-size: 0.85rem;
    border-radius: 6px;
}

.bg-purple {
    background-color: #845ef7;
    color: white;
}

.bg-pink {
    background-color: #ff6b6b;
    color: white;
}

.bg-info {
    background-color: #15aabf;
    color: white;
}

.bg-warning {
    background-color: #fd7e14;
    color: white;
}

.bg-danger {
    background-color: #e03131;
    color: white;
}

.bg-success {
    background-color: #20c997;
    color: white;
}

.bg-primary {
    background-color: #4dabf7;
    color: white;
}

.bg-secondary {
    background-color: #495057;
    color: white;
}

/* Timeline customizations */
.shipment-timeline:before {
    background: var(--border-color);
}

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

.timeline-panel {
    background-color: var(--card-bg);
}

.timeline-panel:before {
    border-color: transparent var(--card-bg) transparent transparent;
}

.latest-event {
    background-color: rgba(255, 107, 107, 0.1);
    border-left: 5px solid var(--primary);
}

/* Pagination styling */
.pagination {
    margin-bottom: 0;
}

.page-link {
    color: var(--light-text);
    background-color: var(--card-bg);
    border-color: var(--border-color);
    padding: 0.5rem 0.75rem;
    transition: all 0.2s ease-in-out;
}

.page-link:hover {
    color: var(--primary);
    background-color: var(--darker-bg);
    border-color: var(--primary);
}

.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.page-item.disabled .page-link {
    color: var(--gray-text);
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.pagination .bi {
    font-size: 0.8rem;
}

/* Footer styles */
.footer {
    background-color: var(--darker-bg);
    color: var(--gray-text);
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer a {
    color: var(--gray-text);
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: var(--primary);
}

.footer-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* Logo styling */
.tracking-transparency {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--gray-text);
    text-transform: uppercase;
    display: block;
    margin-top: 5px;
}

/* Hexagonal accent elements */
.hexagon-accent {
    position: relative;
    width: 30px;
    height: 17.32px; /* width * 0.5774 */
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    margin: 8.66px 0;
    display: inline-block;
    vertical-align: middle;
    border-radius: 2px;
}

.hexagon-accent:before,
.hexagon-accent:after {
    content: "";
    position: absolute;
    width: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
}

.hexagon-accent:before {
    bottom: 100%;
    border-bottom: 8.66px solid;
    border-image: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid)) 1;
}

.hexagon-accent:after {
    top: 100%;
    border-top: 8.66px solid;
    border-image: linear-gradient(135deg, var(--gradient-mid), var(--gradient-end)) 1;
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Responsive adjustments */
@media (min-width: 992px) {
    .sidebar.show + .main-content,
    .sidebar.show ~ .main-header {
        margin-left: var(--sidebar-width);
    }
}