:root {
    --colour-black: #080808;
    --colour-black-soft: #111111;
    --colour-red: #b40016;
    --colour-red-dark: #79000d;
    --colour-white: #ffffff;
    --colour-background: #f4f4f4;
    --colour-panel: #ffffff;
    --colour-border: #dddddd;
    --colour-text: #333333;
    --colour-muted: #666666;
    --colour-success: #16853b;
    --colour-blue: #1d5f9f;
    --colour-danger: #b40016;
    --border-radius: 8px;
    --shadow-small: 0 3px 12px rgba(0, 0, 0, 0.1);
    --shadow-panel: 0 14px 34px rgba(0, 0, 0, 0.08);
    --admin-container: min(100%, 1600px);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background: var(--colour-background);
    color: var(--colour-text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid #ffd95a;
    outline-offset: 2px;
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    background: var(--colour-background);
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(180deg, rgba(180, 0, 22, 0.18), rgba(8, 8, 8, 0) 34%),
        var(--colour-black);
    color: var(--colour-white);
    padding: 24px 18px;
}

.brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 48px;
    height: 48px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    background: var(--colour-red);
    color: var(--colour-white);
    font-weight: 900;
    font-size: 13px;
    letter-spacing: 0;
}

.brand strong,
.brand span {
    display: block;
}

.brand strong {
    color: var(--colour-white);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.08rem;
    line-height: 1.15;
    text-transform: uppercase;
}

.brand span:not(.brand-mark) {
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.86rem;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    color: rgba(255, 255, 255, 0.86);
    padding: 11px 13px;
    font-weight: 800;
    text-decoration: none;
}

.nav a:hover,
.nav a.active {
    border-color: rgba(255, 255, 255, 0.14);
    background: var(--colour-red);
    color: var(--colour-white);
}

.main {
    min-width: 0;
    width: 100%;
    max-width: var(--admin-container);
    padding: 28px;
}

.topbar {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: var(--colour-panel);
    box-shadow: var(--shadow-small);
    padding: 16px 18px;
}

.topbar h1 {
    margin: 0;
    color: var(--colour-black);
    font-size: clamp(1.55rem, 2.2vw, 2.2rem);
    line-height: 1.15;
}

.topbar p,
.panel p {
    color: var(--colour-muted);
    margin: 4px 0 0;
}

.topbar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
}

.user-chip {
    min-width: 150px;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: #fafafa;
    padding: 9px 12px;
    text-align: right;
}

.user-chip span,
.user-chip small {
    display: block;
}

.user-chip span {
    font-weight: 900;
}

.user-chip small {
    color: var(--colour-muted);
    text-transform: capitalize;
}

.admin-menu-button {
    display: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.stat-card,
.panel,
.login-card {
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: var(--colour-panel);
    box-shadow: var(--shadow-panel);
}

.stat-card {
    position: relative;
    overflow: hidden;
    padding: 20px;
}

.stat-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 5px;
    background: var(--colour-red);
}

.stat-card span {
    display: block;
    margin-bottom: 8px;
    color: var(--colour-muted);
    font-weight: 800;
}

.stat-card strong {
    color: var(--colour-black);
    font-size: 2.2rem;
    line-height: 1;
}

.panel {
    padding: 22px;
    margin-bottom: 18px;
}

.narrow-panel {
    max-width: 620px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.panel h2,
.panel-header h2,
.form-section h2 {
    margin: 0;
    color: var(--colour-black);
    font-size: 1.25rem;
}

.button,
button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    padding: 10px 14px;
    color: var(--colour-text);
    font: inherit;
    font-weight: 900;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
}

.button-primary {
    border-color: var(--colour-red);
    background: var(--colour-red);
    color: var(--colour-white);
}

.button-primary:hover {
    border-color: var(--colour-red-dark);
    background: var(--colour-red-dark);
}

.button-soft,
button {
    border-color: var(--colour-border);
    background: #f3f3f3;
    color: var(--colour-text);
}

.button-outline {
    border-color: var(--colour-red);
    background: var(--colour-white);
    color: var(--colour-red);
}

.button-danger,
button.danger,
.danger {
    border-color: var(--colour-danger);
    background: var(--colour-danger);
    color: var(--colour-white);
}

.button-row,
.form-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
}

.data-table {
    width: 100%;
    min-width: 780px;
    border-collapse: collapse;
    background: var(--colour-white);
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--colour-border);
    padding: 13px 12px;
    text-align: left;
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: 0;
}

.data-table th {
    background: #f7f7f7;
    color: var(--colour-muted);
    font-size: 0.78rem;
    letter-spacing: 0;
    text-transform: uppercase;
}

.actions-col {
    width: 300px;
}

.actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
}

.actions a,
.actions button,
.image-actions button,
.inline-link {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--colour-border);
    border-radius: 7px;
    background: #f3f3f3;
    color: var(--colour-text);
    padding: 7px 9px;
    font-size: 0.82rem;
    font-weight: 800;
    text-decoration: none;
}

.actions .danger,
.image-actions .danger,
button.danger {
    border-color: var(--colour-danger);
    background: var(--colour-danger);
    color: var(--colour-white);
}

.vehicle-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.vehicle-cell img,
.thumb-placeholder {
    width: 76px;
    height: 56px;
    flex: 0 0 auto;
    border: 1px solid var(--colour-border);
    border-radius: 7px;
    background: #eeeeee;
    object-fit: cover;
}

.thumb-placeholder {
    display: grid;
    place-items: center;
    color: var(--colour-muted);
    font-size: 0.75rem;
}

.vehicle-cell small {
    display: block;
    color: var(--colour-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 9px;
    font-size: 0.75rem;
    font-weight: 900;
}

.badge-green {
    background: #e8f6ee;
    color: var(--colour-success);
}

.badge-blue {
    background: #e8f0ff;
    color: var(--colour-blue);
}

.badge-red {
    background: #ffecef;
    color: var(--colour-danger);
}

.badge-grey {
    background: #eeeeee;
    color: var(--colour-muted);
}

.filters,
.upload-panel {
    display: grid;
    grid-template-columns: repeat(4, minmax(170px, 1fr)) auto auto;
    align-items: end;
    gap: 12px;
}

label {
    display: grid;
    gap: 6px;
    color: var(--colour-text);
    font-size: 0.88rem;
    font-weight: 900;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: var(--colour-white);
    color: var(--colour-text);
    font: inherit;
    padding: 10px 11px;
}

textarea {
    resize: vertical;
}

small,
.helper-text {
    color: var(--colour-muted);
}

.vehicle-form {
    display: grid;
    gap: 18px;
}

.form-grid {
    display: grid;
    gap: 18px;
}

.form-section {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: #fbfbfb;
    padding: 18px;
}

.form-section h2,
.form-section p,
.full-span,
.checkbox-row {
    grid-column: 1 / -1;
}

.checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.checkbox-row label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-row input {
    width: auto;
    min-height: auto;
}

.alert {
    border-radius: var(--border-radius);
    margin-bottom: 18px;
    padding: 13px 15px;
    font-weight: 800;
}

.alert-success {
    background: #e8f6ee;
    color: var(--colour-success);
}

.alert-error {
    background: #ffecef;
    color: var(--colour-danger);
}

.empty-state {
    color: var(--colour-muted);
    padding: 24px;
    text-align: center;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.pagination a {
    min-width: 40px;
    min-height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: var(--colour-white);
    color: var(--colour-red);
    font-weight: 900;
    text-decoration: none;
}

.pagination a.active,
.pagination a:hover {
    border-color: var(--colour-red);
    background: var(--colour-red);
    color: var(--colour-white);
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 16px;
}

.image-grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.image-grid figure {
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: var(--colour-white);
}

.image-grid img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.image-grid figcaption {
    display: grid;
    gap: 3px;
    color: var(--colour-muted);
    font-size: 0.82rem;
    padding: 10px;
}

.image-grid .main-image {
    outline: 3px solid var(--colour-success);
}

.image-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 10px 10px;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.details-grid div {
    border: 1px solid var(--colour-border);
    border-radius: var(--border-radius);
    background: #fbfbfb;
    padding: 12px;
}

.details-grid span {
    display: block;
    color: var(--colour-muted);
    font-size: 0.82rem;
}

.details-grid strong {
    display: block;
    margin-top: 4px;
}

.description-block {
    margin: 20px 0;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background:
        linear-gradient(110deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.58)),
        var(--colour-black) url(../../images/banner_1200.png) no-repeat center center;
    background-size: cover;
}

.login-card {
    width: min(100%, 430px);
    padding: 28px;
}

.login-brand {
    color: var(--colour-text);
    margin-bottom: 22px;
}

.login-brand strong {
    color: var(--colour-black);
}

.login-brand span:not(.brand-mark) {
    color: var(--colour-muted);
}

.form-stack {
    display: grid;
    gap: 14px;
}

.helper-text a {
    color: var(--colour-red);
    font-weight: 800;
}

@media (max-width: 1100px) {
    .stats-grid,
    .details-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filters,
    .upload-panel,
    .form-section {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        height: auto;
        padding: 16px;
    }

    .brand {
        padding-right: 56px;
    }

    .nav {
        display: none;
        grid-template-columns: 1fr;
    }

    .admin-shell.nav-open .nav {
        display: grid;
    }

    .main {
        padding: 16px;
    }

    .topbar,
    .panel-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .topbar-actions {
        width: 100%;
        justify-content: space-between;
    }

    .topbar-actions > .button-outline {
        display: none;
    }

    .admin-menu-button {
        position: absolute;
        top: 18px;
        right: 18px;
        width: 44px;
        min-width: 44px;
        display: inline-flex;
        padding: 0;
        font-size: 0;
        border-color: rgba(255, 255, 255, 0.7);
        background: rgba(0, 0, 0, 0.28);
    }

    .admin-menu-button::before {
        content: "";
        width: 22px;
        height: 2px;
        border-radius: 2px;
        background: var(--colour-white);
        box-shadow: 0 -7px 0 var(--colour-white), 0 7px 0 var(--colour-white);
    }

    .user-chip {
        width: 100%;
        text-align: left;
    }

    .stats-grid,
    .filters,
    .upload-panel,
    .form-section,
    .details-grid {
        grid-template-columns: 1fr;
    }

    .panel {
        padding: 18px;
    }

    .topbar h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 430px) {
    .main {
        padding: 12px;
    }

    .topbar,
    .panel,
    .login-card {
        padding: 16px;
    }

    .button,
    button {
        width: 100%;
        white-space: normal;
    }

    .actions .button,
    .actions button,
    .actions a,
    .image-actions button {
        width: auto;
    }
}