:root {
    color-scheme: light;

    /* Strataon brand palette */
    --cobalt: #2952A0;
    --cobalt-dark: #1f3f80;
    --azurite: #23366A;
    --carbon: #292C39;
    --carbon-dark: #20222C;
    --tin: #A5ACAF;
    --slate: #394A58;

    --board: #23AE86;
    --board-dark: #1c8f6c;
    --patina: #8CCBB7;
    --wire: #DD5034;
    --wire-dark: #b8431f;
    --silver: #D1D4D3;
    --clear: #FFFFFF;

    --bg: #F5F6F7;
    --card: var(--clear);
    --border: var(--silver);
    --text: var(--carbon);
    --muted: var(--slate);

    --sidebar-w: 210px;
    --sidebar-w-collapsed: 64px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- shell / topbar ---------- */

.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.7rem 1.25rem;
    background: var(--carbon-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 2;
}

.topbar .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-logo {
    height: 22px;
    width: auto;
    display: block;
}

.brand-divider {
    color: var(--tin);
    font-weight: 300;
}

.brand-name {
    color: var(--clear);
    font-weight: 600;
    font-size: 1.05rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--clear);
    text-decoration: none;
    line-height: 1.15;
}

.user-chip:hover {
    background: rgba(255, 255, 255, 0.13);
}

.user-chip svg {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
    color: var(--patina);
}

.user-chip span {
    font-weight: 600;
    font-size: 0.85rem;
}

.user-chip small {
    color: var(--tin);
    font-size: 0.72rem;
    font-weight: 400;
}

/* ---------- sidebar ---------- */

.app-body {
    display: flex;
    flex: 1;
    min-height: 0;
}

.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--carbon);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: width 0.15s ease;
    overflow: hidden;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 1rem 0.6rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    color: var(--tin);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    white-space: nowrap;
}

.sidebar-link svg {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--clear);
}

.sidebar-link.active {
    background: rgba(35, 174, 134, 0.14);
    color: var(--board);
}

.sidebar-toggle {
    width: 30px;
    height: 30px;
    margin: 0 0 1rem 0.9rem;
    border-radius: 50%;
    border: none;
    background: var(--cobalt);
    color: var(--clear);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.sidebar-toggle svg {
    width: 14px;
    height: 14px;
    transition: transform 0.15s ease;
}

.sidebar-toggle:hover {
    background: var(--cobalt-dark);
}

.app-shell.sidebar-collapsed .sidebar {
    width: var(--sidebar-w-collapsed);
}

.app-shell.sidebar-collapsed .sidebar-label {
    display: none;
}

.app-shell.sidebar-collapsed .sidebar-link {
    justify-content: center;
}

.app-shell.sidebar-collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

@media (max-width: 760px) {
    .sidebar { width: var(--sidebar-w-collapsed); }
    .sidebar-label { display: none; }
    .sidebar-link { justify-content: center; }
    .sidebar-toggle { display: none; }
}

/* ---------- content ---------- */

.content {
    flex: 1;
    min-width: 0;
    background: var(--bg);
}

.container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 1px 2px rgba(35, 54, 106, 0.05), 0 4px 14px rgba(35, 54, 106, 0.05);
}

.auth-card {
    max-width: 420px;
    margin: 3rem auto;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 420px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.link-card:hover {
    border-color: var(--cobalt);
    box-shadow: 0 1px 2px rgba(35, 54, 106, 0.06), 0 6px 18px rgba(41, 82, 160, 0.12);
}

.link-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    border-radius: 10px;
    background: rgba(41, 82, 160, 0.1);
    color: var(--cobalt);
}

.link-card-icon svg {
    width: 22px;
    height: 22px;
}

.link-card-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.link-card-text strong {
    font-size: 1rem;
    color: var(--carbon);
}

.link-card-text small {
    color: var(--slate);
    font-size: 0.82rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--cobalt);
}

.card-header h1 {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

h1 {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin: 0 0 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--cobalt);
    color: var(--carbon);
}

.title-badge {
    display: inline-block;
    text-transform: none;
    letter-spacing: normal;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cobalt-dark);
    background: rgba(140, 203, 183, 0.3);
    border-radius: 6px;
    padding: 0.2rem 0.55rem;
    vertical-align: middle;
    margin-left: 0.3rem;
}

label {
    display: block;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--slate);
    font-weight: 500;
}

input, select, textarea {
    display: block;
    width: 100%;
    margin-top: 0.35rem;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    background: var(--clear);
}

textarea {
    resize: vertical;
    min-height: 5rem;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--cobalt);
    box-shadow: 0 0 0 3px rgba(41, 82, 160, 0.15);
}

button, .button {
    display: inline-block;
    background: var(--cobalt);
    color: var(--clear);
    border: none;
    border-radius: 6px;
    padding: 0.55rem 1.1rem;
    font-size: 0.95rem;
    font-family: inherit;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
}

button:hover, .button:hover { background: var(--cobalt-dark); }

.button-create {
    background: var(--board);
}

.button-create:hover {
    background: var(--board-dark);
}

.button-ghost {
    background: transparent;
    color: var(--clear);
    border: 1px solid var(--tin);
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
}

.button-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

.button-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    color: var(--cobalt);
    border: 1px solid var(--cobalt);
}

.button-secondary:hover {
    background: rgba(41, 82, 160, 0.08);
    border-color: var(--cobalt-dark);
    color: var(--cobalt-dark);
}

.button-secondary svg {
    width: 15px;
    height: 15px;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    vertical-align: middle;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

th {
    color: var(--slate);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

tbody tr:nth-child(even) {
    background: rgba(41, 82, 160, 0.025);
}

tbody tr:hover {
    background: rgba(41, 82, 160, 0.055);
}

.actions {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: var(--cobalt);
    color: var(--clear);
    cursor: pointer;
    text-decoration: none;
}

.icon-btn svg {
    width: 16px;
    height: 16px;
}

.icon-btn:hover {
    background: var(--cobalt-dark);
    color: var(--clear);
}

.icon-btn-danger {
    background: var(--wire);
}

.icon-btn-danger:hover {
    background: var(--wire-dark);
}

.icon-btn-ghost {
    background: transparent;
    color: var(--tin);
}

.icon-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--clear);
}

.badge {
    display: inline-block;
    background: rgba(140, 203, 183, 0.25);
    color: var(--azurite);
    border-radius: 999px;
    padding: 0.15rem 0.65rem;
    font-size: 0.75rem;
    font-family: "Roboto Mono", monospace;
    font-weight: 500;
}

.badge-status-requested {
    background: rgba(165, 172, 175, 0.25);
    color: var(--slate);
}

.badge-status-authorized {
    background: rgba(35, 174, 134, 0.15);
    color: var(--board);
}

.badge-status-denied {
    background: rgba(221, 80, 52, 0.1);
    color: var(--wire);
}

.alert {
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(221, 80, 52, 0.1);
    color: var(--wire);
    border: 1px solid rgba(221, 80, 52, 0.3);
}

.alert-success {
    background: rgba(35, 174, 134, 0.1);
    color: var(--board);
    border: 1px solid rgba(35, 174, 134, 0.3);
}

.field-error {
    color: var(--wire);
    font-size: 0.8rem;
    margin: -0.75rem 0 1rem;
}

label small {
    color: var(--tin);
    font-weight: 400;
}

.form-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0.5rem 0 1.25rem;
}

.muted {
    color: var(--tin);
    font-size: 0.85rem;
}

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin: 0.5rem 0 1.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    max-height: 260px;
    overflow-y: auto;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin: 0;
    font-size: 0.9rem;
    color: var(--text);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
    accent-color: var(--cobalt);
}

.checkbox-item code {
    font-family: "Roboto Mono", monospace;
    font-size: 0.85rem;
    background: rgba(41, 82, 160, 0.08);
    color: var(--azurite);
    padding: 0.05rem 0.4rem;
    border-radius: 4px;
}

.checkbox-item small {
    display: block;
    color: var(--slate);
    font-size: 0.78rem;
    margin-top: 0.15rem;
}