/* ============================================================
   ADMIN PAGE
   All layout rules scoped under #admin-page.
   Reuses .dashboard-header and .btn classes from other sheets.
   ============================================================ */

#admin-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header — same structure as dashboard, styles already in dashboard.css */
#admin-page .dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-8);
    background: var(--colour-surface);
    border-bottom: 1px solid var(--colour-border);
}

#admin-page .dashboard-header__logo {
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--colour-primary);
}

#admin-page .dashboard-header__user {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

#admin-page .dashboard-header__name {
    font-size: var(--text-sm);
    color: var(--colour-text-muted);
}

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

#admin-page .admin-main {
    flex: 1;
    padding: var(--space-12) var(--space-8);
    max-width: 860px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

#admin-page .admin-title {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--colour-text);
}

/* ---- Tabbed card ------------------------------------------ */

#admin-page .admin-tabcard {
    background: var(--colour-surface);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

#admin-page .admin-tabs {
    display: flex;
    background: var(--colour-surface-alt);
    border-bottom: 1px solid var(--colour-border);
}

#admin-page .admin-tab {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--colour-text-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    margin-bottom: -1px;
}

#admin-page .admin-tab:hover {
    color: var(--colour-text);
}

#admin-page .admin-tab--active {
    color: var(--colour-primary);
    border-bottom-color: var(--colour-primary);
    background: var(--colour-surface);
}

#admin-page .admin-group__rows {
    display: flex;
    flex-direction: column;
}

/* ---- Config rows ------------------------------------------ */

#admin-page .admin-row {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--colour-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
}

#admin-page .admin-row:last-child {
    border-bottom: none;
}

#admin-page .admin-row__meta {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

#admin-page .admin-row__key {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--colour-text);
    font-family: var(--font-mono);
}

#admin-page .admin-row__desc {
    font-size: var(--text-xs);
    color: var(--colour-text-muted);
    line-height: 1.5;
}

#admin-page .admin-row__control {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

#admin-page .admin-row__input {
    width: 220px;
    padding: var(--space-2) var(--space-3);
    background: var(--colour-surface-alt);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-sm);
    color: var(--colour-text);
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    transition: border-color 0.15s;
}

#admin-page .admin-row__input:focus {
    outline: none;
    border-color: var(--colour-primary);
}

#admin-page .admin-row__error,
#admin-page .admin-row__ok {
    flex-basis: 100%;
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    margin-top: calc(-1 * var(--space-2));
}

#admin-page .admin-row__error {
    color: var(--colour-error);
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

#admin-page .admin-row__ok {
    color: var(--colour-success);
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

/* ---- Toggle switch (boolean values) ----------------------- */

#admin-page .admin-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

#admin-page .admin-toggle__input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

#admin-page .admin-toggle__slider {
    position: absolute;
    inset: 0;
    background: var(--colour-surface-alt);
    border: 1px solid var(--colour-border);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

#admin-page .admin-toggle__slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--colour-text-muted);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}

#admin-page .admin-toggle__input:checked + .admin-toggle__slider {
    background: var(--colour-primary);
    border-color: var(--colour-primary);
}

#admin-page .admin-toggle__input:checked + .admin-toggle__slider::before {
    transform: translate(20px, -50%);
    background: #fff;
}

/* ---- Shared feedback classes ------------------------------ */

#admin-page .form-error {
    font-size: var(--text-sm);
    color: var(--colour-error);
    padding: var(--space-2) var(--space-3);
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.2);
    border-radius: var(--radius-sm);
}

#admin-page .loading-text {
    color: var(--colour-text-muted);
    font-size: var(--text-base);
    padding: var(--space-8) 0;
}