:root {
    color-scheme: light;
    --bg: #f7f7f4;
    --bg-elevated: #ffffff;
    --bg-muted: #f1f1ed;
    --bg-subtle: #e8e7e1;
    --text: #1f1f1c;
    --text-soft: #3f3f39;
    --text-muted: #737069;
    --border: #dedbd2;
    --border-strong: #c9c5ba;
    --primary: #2f5f4f;
    --primary-hover: #244b3e;
    --primary-soft: #e3ebe6;
    --success: #2f6f4e;
    --success-soft: #e2f2e8;
    --warning: #f59e0b;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --danger-soft: #fee2e2;
    --info: #0891b2;
    --focus: rgba(47, 95, 79, 0.18);
    --shadow-card: 0 1px 2px rgba(31, 31, 28, 0.05);
    --shadow-popover: 0 18px 45px rgba(31, 31, 28, 0.14);
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 14px;
    --space-5: 18px;
    --space-6: 22px;
    --space-8: 28px;
    --font-xs: 12px;
    --font-sm: 14px;
    --font-md: 16px;
    --font-lg: 20px;
    --font-xl: 22px;
    --font-2xl: 28px;
    --sidebar-width: 268px;
    --sidebar-collapsed-width: 72px;
    --topbar-height: 66px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        color-scheme: dark;
        --bg: #171815;
        --bg-elevated: #20211d;
        --bg-muted: #2a2b25;
        --bg-subtle: #323329;
        --text: #f4f2ea;
        --text-soft: #d2cfc4;
        --text-muted: #a7a195;
        --border: #3b3b33;
        --border-strong: #4a493f;
        --primary: #9bb8a7;
        --primary-hover: #c1d6cb;
        --primary-soft: #26362f;
        --success: #8fcca7;
        --success-soft: #1f3327;
        --danger: #f87171;
        --danger-hover: #fca5a5;
        --danger-soft: #450a0a;
        --focus: rgba(155, 184, 167, 0.22);
        --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.28);
        --shadow-popover: 0 18px 45px rgba(0, 0, 0, 0.42);
    }
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #171815;
    --bg-elevated: #20211d;
    --bg-muted: #2a2b25;
    --bg-subtle: #323329;
    --text: #f4f2ea;
    --text-soft: #d2cfc4;
    --text-muted: #a7a195;
    --border: #3b3b33;
    --border-strong: #4a493f;
    --primary: #9bb8a7;
    --primary-hover: #c1d6cb;
    --primary-soft: #26362f;
    --success: #8fcca7;
    --success-soft: #1f3327;
    --danger: #f87171;
    --danger-hover: #fca5a5;
    --danger-soft: #450a0a;
    --focus: rgba(155, 184, 167, 0.22);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.28);
    --shadow-popover: 0 18px 45px rgba(0, 0, 0, 0.42);
}

:root[data-theme="light"] {
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

a {
    color: var(--primary);
    text-decoration: none;
}

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

svg {
    display: block;
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.app-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    width: var(--sidebar-width);
    min-height: 100vh;
    border-right: 1px solid var(--border);
    background: var(--bg-elevated);
    padding: 12px;
    transition: width 0.18s ease, transform 0.18s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    min-height: 44px;
}

.brand {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: var(--space-3);
    color: var(--text);
    font-weight: 800;
}

.brand:hover {
    color: var(--text);
}

.brand-mark {
    display: inline-flex;
    flex: 0 0 34px;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--text);
    color: var(--bg-elevated);
    font-size: var(--font-sm);
    letter-spacing: 0;
}

.brand-text {
    overflow: hidden;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text-muted);
    cursor: pointer;
}

.icon-btn:hover {
    border-color: var(--border-strong);
    background: var(--bg-muted);
    color: var(--text);
}

.nav {
    display: grid;
    gap: var(--space-1);
    margin-top: 24px;
}

.nav-link {
    display: flex;
    align-items: center;
    min-height: 38px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: var(--font-sm);
    font-weight: 650;
    gap: var(--space-3);
    padding: 8px 10px;
}

.nav-icon {
    display: inline-flex;
    flex: 0 0 22px;
    align-items: center;
    justify-content: center;
}

.nav-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--bg-muted);
    color: var(--text);
}

.nav-link.is-active {
    background: var(--primary-soft);
    color: var(--text);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: var(--space-4);
}

.user-menu {
    position: relative;
}

.user-button {
    display: grid;
    width: 100%;
    grid-template-columns: 32px minmax(0, 1fr) 16px;
    align-items: center;
    gap: var(--space-3);
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    padding: 7px;
    text-align: left;
}

.user-button:hover {
    background: var(--bg-muted);
}

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: var(--bg-muted);
    color: var(--text);
    font-size: var(--font-xs);
    font-weight: 800;
}

.user-meta {
    display: grid;
    min-width: 0;
}

.user-name {
    overflow: hidden;
    color: var(--text);
    font-size: var(--font-sm);
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role {
    overflow: hidden;
    color: var(--text-muted);
    font-size: var(--font-xs);
    font-weight: 700;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}

.user-chevron {
    color: var(--text-muted);
}

.user-menu-panel {
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    display: none;
    width: 230px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-elevated);
    box-shadow: var(--shadow-popover);
    padding: 6px;
}

.user-menu.is-open .user-menu-panel {
    display: grid;
}

.user-menu-item {
    width: 100%;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text);
    cursor: pointer;
    display: block;
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    padding: 8px 10px;
    text-align: left;
}

.user-menu-item:hover {
    background: var(--bg-muted);
    color: var(--text);
}

.user-menu-item.is-disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.55;
}

.user-menu-danger {
    color: var(--danger);
}

.theme-menu {
    position: relative;
}

.theme-button [hidden] {
    display: none;
}

.theme-menu-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: none;
    min-width: 142px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-elevated);
    box-shadow: var(--shadow-popover);
    padding: 6px;
}

.theme-menu.is-open .theme-menu-panel {
    display: grid;
}

.theme-menu-panel button {
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    padding: 8px 10px;
    text-align: left;
}

.theme-menu-panel button:hover,
.theme-menu-panel button.is-active {
    background: var(--bg-muted);
}

.main {
    min-width: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--topbar-height);
    gap: var(--space-4);
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(14px);
    padding: 14px 28px;
}

.mobile-menu-btn {
    display: none;
}

.page-header {
    min-width: 0;
}

.page-header h1 {
    margin: 0;
    color: var(--text);
    font-size: var(--font-xl);
    font-weight: 800;
    line-height: 1.18;
}

.eyebrow {
    margin: 0 0 3px;
    color: var(--text-muted);
    font-size: var(--font-xs);
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.content {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 28px 36px;
}

.card,
.panel {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-elevated);
    box-shadow: var(--shadow-card);
    padding: 18px;
}

.card h2,
.panel h2 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: var(--font-lg);
    font-weight: 800;
    line-height: 1.25;
}

.card p,
.panel p {
    margin: 0;
    color: var(--text-muted);
}

.section-card {
    margin-top: var(--space-4);
}

.btn,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-sm);
    font-weight: 700;
    padding: 6px 11px;
    text-decoration: none;
}

.btn:focus-visible,
.button:focus-visible,
.nav-link:focus-visible,
.icon-btn:focus-visible,
.user-button:focus-visible,
.theme-button:focus-visible,
.theme-menu-panel button:focus-visible,
.form-control:focus {
    box-shadow: 0 0 0 3px var(--focus);
    outline: none;
}

.btn-primary,
.button {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover,
.button:hover {
    background: var(--primary-hover);
    color: #fff;
}

.btn-secondary,
.button-secondary {
    border-color: var(--border);
    background: var(--bg-elevated);
    color: var(--text);
}

.btn-secondary:hover,
.button-secondary:hover {
    background: var(--bg-muted);
    color: var(--text);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: var(--danger-hover);
    color: #fff;
}

.form-grid {
    display: grid;
    gap: var(--space-4);
    max-width: 560px;
    margin-top: var(--space-4);
}

.form-group,
.field {
    display: grid;
    gap: 7px;
}

.form-group label,
.field label {
    color: var(--text);
    font-size: var(--font-sm);
    font-weight: 800;
}

.form-control,
.field input,
.field select {
    width: 100%;
    min-height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text);
    padding: 8px 10px;
    font: inherit;
}

.form-control:hover,
.field input:hover,
.field select:hover {
    border-color: var(--border-strong);
}

.form-control:focus,
.field input:focus,
.field select:focus {
    border-color: var(--primary);
}

.form-group small,
.field small {
    color: var(--text-muted);
    font-size: var(--font-sm);
}

.alert {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
    padding: 10px 12px;
    font-size: var(--font-sm);
    font-weight: 700;
}

.alert-success {
    border-color: color-mix(in srgb, var(--success) 28%, transparent);
    background: var(--success-soft);
    color: var(--success);
}

.alert-error {
    border-color: color-mix(in srgb, var(--danger) 28%, transparent);
    background: var(--danger-soft);
    color: var(--danger);
}

.auth-wrap {
    max-width: 520px;
    margin: 20px auto 0;
}

.auth-panel {
    display: grid;
    gap: var(--space-5);
    padding: 22px;
}

.profile-box,
.status-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.profile-box > div,
.status-grid > div,
.detail-grid > div {
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-muted);
    padding: 12px;
}

.profile-box strong,
.status-grid strong,
.detail-grid strong {
    display: block;
    overflow-wrap: anywhere;
}

.status-label {
    display: block;
    margin-bottom: var(--space-1);
    color: var(--text-muted);
    font-size: var(--font-sm);
    font-weight: 700;
}

.section-actions,
.page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: flex-end;
    margin-bottom: var(--space-4);
}

.section-actions {
    justify-content: flex-start;
    margin-top: var(--space-6);
    margin-bottom: 0;
}

.table-wrapper,
.table-wrap {
    overflow-x: auto;
    margin-top: var(--space-4);
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-elevated);
}

.table,
.data-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.table th,
.table td,
.data-table th,
.data-table td {
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
    text-align: left;
    vertical-align: middle;
}

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

.table th,
.data-table th {
    background: var(--bg-muted);
    color: var(--text-muted);
    font-size: var(--font-xs);
    font-weight: 800;
    text-transform: uppercase;
}

.actions-cell {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

.actions-cell form {
    margin: 0;
}

.link-button {
    border: 0;
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    font: inherit;
    font-size: var(--font-sm);
    font-weight: 800;
    padding: 0;
}

.link-button:hover {
    color: var(--primary-hover);
}

.text-danger {
    color: var(--danger);
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: var(--font-xs);
    font-weight: 800;
    padding: 3px 8px;
}

.badge-success {
    background: var(--success-soft);
    color: var(--success);
}

.badge-muted {
    background: var(--bg-muted);
    color: var(--text-muted);
}

.empty-state {
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    margin-top: var(--space-4);
    padding: 20px;
    text-align: center;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.sidebar-collapsed .app-shell {
    grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
    padding-right: 12px;
    padding-left: 12px;
}

.sidebar-collapsed .brand-text,
.sidebar-collapsed .nav-text,
.sidebar-collapsed .user-meta,
.sidebar-collapsed .user-chevron {
    display: none;
}

.sidebar-collapsed .sidebar-header {
    justify-content: center;
}

.sidebar-collapsed .sidebar-collapse {
    position: absolute;
    top: 18px;
    right: -18px;
    background: var(--bg-elevated);
}

.sidebar-collapsed .sidebar-collapse svg {
    transform: rotate(180deg);
}

.sidebar-collapsed .brand,
.sidebar-collapsed .nav-link {
    justify-content: center;
}

.sidebar-collapsed .user-button {
    display: flex;
    justify-content: center;
}

.sidebar-collapsed .user-menu-panel {
    left: calc(100% + 12px);
    right: auto;
    bottom: 0;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: none;
    background: rgba(15, 23, 42, 0.42);
}

@media (max-width: 1023px) {
    .app-shell,
    .sidebar-collapsed .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        left: 0;
        width: min(320px, calc(100vw - 36px));
        transform: translateX(-105%);
        box-shadow: var(--shadow-popover);
    }

    .sidebar-collapsed .sidebar {
        width: min(320px, calc(100vw - 36px));
        padding: var(--space-4);
    }

    .sidebar-collapsed .sidebar-header {
        justify-content: space-between;
    }

    .sidebar-open .sidebar {
        transform: translateX(0);
    }

    .sidebar-open .mobile-overlay {
        display: block;
    }

    .sidebar-collapse {
        display: none;
    }

    .sidebar-collapsed .brand-text,
    .sidebar-collapsed .nav-text,
    .sidebar-collapsed .user-meta,
    .sidebar-collapsed .user-chevron {
        display: initial;
    }

    .sidebar-collapsed .brand,
    .sidebar-collapsed .nav-link {
        justify-content: flex-start;
    }

    .sidebar-collapsed .user-button {
        display: grid;
        justify-content: normal;
    }

    .sidebar-collapsed .user-meta {
        display: grid;
    }

    .sidebar-collapsed .user-menu-panel {
        right: 0;
        bottom: calc(100% + 10px);
        left: auto;
    }

    .mobile-menu-btn {
        display: inline-flex;
    }

    .topbar {
        padding: 16px 20px;
    }

    .content {
        padding: 24px 20px 40px;
    }

    .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .topbar {
        display: flex;
        align-items: center;
        padding: 12px 14px;
    }

    .topbar-actions {
        margin-left: auto;
    }

    .page-header h1 {
        font-size: 22px;
    }

    .content {
        padding: 20px 14px 32px;
    }

    .card,
    .panel,
    .auth-panel {
        border-radius: var(--radius-md);
        padding: 18px;
    }

    .auth-wrap {
        margin-top: 8px;
    }

    .form-grid {
        max-width: none;
    }

    .profile-box,
    .status-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .page-actions {
        justify-content: stretch;
    }

    .page-actions .btn {
        flex: 1;
    }

    .table-wrapper,
    .table-wrap {
        margin-right: -2px;
        margin-left: -2px;
    }

    .table,
    .data-table {
        min-width: 720px;
    }
}