/* Account / customer backend layout
   Loaded after sbn-design-system.css. No hex literals — design tokens only. */

.sbn-account-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--space-8, 2rem);
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-8, 2rem) var(--space-6, 1.5rem);
}

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

/* ───── Sidebar ───── */

.sbn-account-sidebar {
    align-self: start;
    position: sticky;
    top: calc(var(--header-height, 102px) + 1rem);
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 1rem);
    padding: var(--space-5, 1.25rem);
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
}

.sbn-account-sidebar-header {
    padding-bottom: var(--space-4, 1rem);
    border-bottom: 1px solid var(--clr-border);
}

.sbn-account-greeting {
    font-weight: 600;
    color: var(--clr-text);
}

.sbn-account-email {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    margin-top: 2px;
    word-break: break-all;
}

.sbn-account-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sbn-account-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    border-radius: var(--radius-sm, 6px);
    color: var(--clr-text);
    text-decoration: none;
    transition: background 0.15s var(--ease, ease);
}

.sbn-account-nav-link:hover {
    background: var(--clr-surface-3);
}

.sbn-account-nav-link.is-active {
    background: var(--clr-surface-3);
    color: var(--clr-accent);
    font-weight: 600;
}

.sbn-account-nav-link--muted {
    color: var(--clr-text-muted);
}

.sbn-account-badge {
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    border-radius: 999px;
    background: var(--clr-accent);
    color: var(--clr-bg);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sbn-account-sidebar-footer {
    margin-top: auto;
    padding-top: var(--space-4, 1rem);
    border-top: 1px solid var(--clr-border);
}

/* ───── Main column ───── */

.sbn-account-main {
    min-width: 0;
}

.sbn-account-pageheader {
    margin-bottom: var(--space-6, 1.5rem);
}

.sbn-account-pageheader-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4, 1rem);
    flex-wrap: wrap;
}

.sbn-account-pageheader h1 {
    margin: 0 0 var(--space-2, 0.5rem);
}

.sbn-account-subtle {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

.sbn-account-section {
    margin-bottom: var(--space-8, 2rem);
}

.sbn-account-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--space-4, 1rem);
}

.sbn-account-section-link {
    color: var(--clr-accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.sbn-account-section-link:hover {
    text-decoration: underline;
}

/* ───── Course shelf ───── */

.sbn-account-shelf {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-5, 1.25rem);
}

/* ───── Empty states ───── */

.sbn-account-empty {
    padding: var(--space-8, 2rem);
    background: var(--clr-surface-2);
    border: 1px dashed var(--clr-border);
    border-radius: var(--radius);
    text-align: center;
    color: var(--clr-text-muted);
}

.sbn-account-empty-cta {
    display: inline-block;
    margin-top: var(--space-3, 0.75rem);
    color: var(--clr-accent);
    text-decoration: none;
}

/* ───── Tables ───── */

.sbn-account-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.sbn-account-table th,
.sbn-account-table td {
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    text-align: left;
    border-bottom: 1px solid var(--clr-border);
}

.sbn-account-table tr:last-child td { border-bottom: none; }

.sbn-account-table th {
    background: var(--clr-surface-3);
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sbn-account-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.8rem;
    background: var(--clr-surface-3);
    color: var(--clr-text-muted);
}

.sbn-account-status.is-paid { color: var(--clr-success, var(--clr-accent)); }
.sbn-account-status.is-pending_stub { color: var(--clr-warning, var(--clr-text-muted)); }

/* ───── Lists ───── */

.sbn-account-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sbn-account-list li {
    padding: var(--space-3, 0.75rem) 0;
    border-bottom: 1px solid var(--clr-border);
}

.sbn-account-list li:last-child { border-bottom: none; }

/* ───── Profile ───── */

.sbn-account-avatar-row {
    display: flex;
    align-items: center;
    gap: var(--space-4, 1rem);
    margin-bottom: var(--space-4, 1rem);
}

.sbn-account-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: var(--clr-surface-3);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sbn-account-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sbn-account-avatar-fallback {
    font-size: 2rem;
    color: var(--clr-text-muted);
}

.sbn-account-upload {
    display: inline-block;
    cursor: pointer;
    padding: var(--space-2, 0.5rem) var(--space-4, 1rem);
    border-radius: var(--radius-sm);
    background: var(--clr-surface-3);
    color: var(--clr-text);
}

.sbn-account-upload input[type=file] { display: none; }

/* Inline label (checkbox + text) */
.sbn-account-field--inline {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
}

/* Chat styles live in sbn-design-system.css §14 */