:root {
    --shell-bg: #120d09;
    --shell-surface: #1b1510;
    --shell-surface-strong: #241d14;
    --shell-border: rgba(255, 235, 188, 0.18);
    --shell-text: #fff6eb;
    --shell-text-soft: #f2d7a9;
    --shell-accent: #ffebbc;
    --shell-accent-strong: #ffd47a;
    --shell-accent-soft: #fff6eb;
    --shell-link: #ffebbc;
    --shell-link-hover: #ffd47a;
    --shell-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at top left, rgba(255, 235, 188, 0.06), transparent 30%), var(--shell-bg);
    color: var(--shell-text);
}

a {
    color: var(--shell-link);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--shell-link-hover);
}

body {
    line-height: 1.6;
}

.page-header {
    background: linear-gradient(90deg, rgba(255, 235, 188, 0.08), rgba(255, 235, 188, 0.02));
    border-bottom: 1px solid var(--shell-border);
    backdrop-filter: blur(12px);
}

.page-nav {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.page-nav img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--shell-border);
    background: rgba(255, 235, 188, 0.1);
    padding: 3px;
}

.page-nav .nav-title {
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--shell-accent);
    text-transform: uppercase;
    font-size: 0.95rem;
}

.page-shell {
    display: grid;
    grid-template-columns: minmax(230px, 270px) 1fr;
    gap: 1.2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.4rem;
}

.side-panel {
    background: var(--shell-surface);
    border: 1px solid var(--shell-border);
    border-radius: 18px;
    padding: 1rem;
    box-shadow: var(--shell-shadow);
    height: fit-content;
    position: sticky;
    top: 1rem;
}

.side-panel>p {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--shell-accent);
}

.side-panel a {
    display: block;
    padding: 0.7rem 0.8rem;
    margin: 0.35rem 0;
    border-radius: 10px;
    color: var(--shell-text);
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.side-panel a:hover,
.side-panel a.active {
    background: rgba(255, 235, 188, 0.1);
    border-color: rgba(255, 235, 188, 0.22);
    color: var(--shell-accent-strong);
}

.content-panel {
    background: linear-gradient(180deg, rgba(255, 235, 188, 0.04), rgba(255, 235, 188, 0.02));
    border: 1px solid var(--shell-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shell-shadow);
}

.content-panel-section {
    display: none;
}

.content-panel-section h2,
.content-panel-section h3,
.content-panel-section h4,
.content-panel-section h5 {
    color: var(--shell-accent);
}

.content-panel-section h2 {
    margin-top: 0;
    margin-bottom: 0.6rem;
    font-size: 1.7rem;
}

.content-panel-section h3 {
    margin-top: 1.1rem;
    margin-bottom: 0.35rem;
    font-size: 1.12rem;
}

.content-panel-section h4 {
    margin-top: 0.9rem;
    margin-bottom: 0.3rem;
}

.content-panel-section p,
.content-panel-section li {
    color: var(--shell-text-soft);
}

.info-note {
    font-size: 0.9rem;
    color: #ffe0a3;
    padding-left: 0.35rem;
    border-left: 2px solid var(--shell-accent-strong);
    margin-top: 0.8rem;
}

.section-divider {
    height: 3px;
    width: 52%;
    background: linear-gradient(90deg, var(--shell-accent-strong), transparent);
    margin: 0.75rem 0;
    border-radius: 999px;
}

.avatar-trigger {
    margin-left: auto;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
}

.avatar-badge {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--shell-bg);
    background: linear-gradient(135deg, var(--shell-accent), var(--shell-accent-strong));
    border: 1px solid rgba(255, 235, 188, 0.3);
}

.profile-popover {
    border: none;
    padding: 0;
    background: transparent;
}

.profile-popover-content {
    background: var(--shell-surface-strong);
    color: var(--shell-text);
    border: 1px solid var(--shell-border);
    border-radius: 14px;
    box-shadow: var(--shell-shadow);
    padding: 0.9rem 1rem;
    min-width: 180px;
}

.profile-popover-content h4 {
    margin: 0 0 0.25rem;
    color: var(--shell-accent);
}

.profile-popover-content p {
    margin: 0;
    color: var(--shell-text-soft);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.8rem;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--shell-border);
}

.data-table th,
.data-table td {
    padding: 0.75rem 0.8rem;
    border-bottom: 1px solid rgba(255, 235, 188, 0.12);
    text-align: left;
}

.data-table thead {
    background: rgba(255, 235, 188, 0.1);
}

.data-table th {
    color: var(--shell-accent);
    font-weight: 700;
}

.data-table tbody tr:hover {
    background: rgba(255, 235, 188, 0.06);
}

button {
    font: inherit;
}

.search-bar {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1.1rem;
    border-radius: 12px;
    border: 1px solid var(--shell-border);
    background: rgba(255, 235, 188, 0.06);
    color: var(--shell-text);
    font-size: 1rem;
}

.search-bar::placeholder {
    color: var(--shell-text-soft);
}

.search-bar:focus {
    outline: none;
    border-color: var(--shell-accent-strong);
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.1rem;
}

.category-tab {
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--shell-border);
    background: rgba(255, 235, 188, 0.05);
    color: var(--shell-text-soft);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.category-tab:hover {
    color: var(--shell-accent-strong);
}

.category-tab.active {
    background: rgba(255, 235, 188, 0.14);
    border-color: var(--shell-accent-strong);
    color: var(--shell-accent-strong);
}

.vehicle-category {
    margin-bottom: 1.6rem;
}

.vehicle-category-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.role-pill {
    font-size: 0.78rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--shell-border);
    color: var(--shell-accent-strong);
    background: rgba(255, 212, 122, 0.08);
    white-space: nowrap;
}

.no-results {
    display: none;
    color: var(--shell-text-soft);
    font-style: italic;
    padding: 1rem 0;
}

.vehicle-count {
    font-size: 0.85rem;
    color: var(--shell-text-soft);
}

.data-table tr.hidden-row {
    display: none;
}


@media (max-width: 900px) {
    .page-shell {
        grid-template-columns: 1fr;
    }

    .side-panel {
        position: static;
    }
}

@media (max-width: 640px) {
    .page-nav {
        flex-wrap: wrap;
    }

    .avatar-trigger {
        margin-left: 0;
    }

    .content-panel {
        padding: 1rem;
    }
}