/* auth.css — login/register screen, user chip, admin panel */

/* ═══ Login/Register overlay ═══ */
#auth-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg-body, #FDFCF6);
    z-index: 10000;
    overflow-y: auto;
}
#auth-overlay.show { display: flex; }

.auth-card {
    background: var(--bg-card, #FFFFFB);
    border: 1px solid var(--border, #E8E1CC);
    border-radius: var(--radius-md, 20px);
    box-shadow: 0 12px 40px rgba(30, 30, 30, 0.08);
    padding: 40px 36px 32px;
    width: 100%;
    max-width: 420px;
    color: var(--text-main, #2D2418);
}

.auth-logo {
    font-family: 'Nunito', sans-serif;
    font-size: var(--fs-xl, 22px);
    font-weight: 900;
    text-align: center;
    color: var(--text-main, #2D2418);
    margin-bottom: 24px;
    letter-spacing: 0.3px;
}
.auth-logo span {
    background: linear-gradient(120deg, var(--ink-teal, #2A6E67) 0%, var(--ink-blue, #4A6B8A) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.7em;
    letter-spacing: 2px;
}

.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-elevated, #F8F5EC);
    padding: 4px;
    border-radius: var(--radius-pill, 999px);
    margin-bottom: 24px;
}
.auth-tab {
    flex: 1;
    padding: 10px 12px;
    border: 0;
    background: transparent;
    color: var(--text-muted, #5C4F3E);
    font-size: var(--fs-sm, 14px);
    font-weight: 700;
    font-family: inherit;
    border-radius: var(--radius-pill, 999px);
    cursor: pointer;
    transition: all 0.2s;
    min-height: 44px;
}
.auth-tab.active {
    background: var(--bg-card, #FFFFFB);
    color: var(--text-main, #2D2418);
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}
.auth-tab:focus-visible { outline: 3px solid var(--ink-blue, #4A6B8A); outline-offset: 2px; }

.auth-form { display: none; flex-direction: column; gap: 14px; }
.auth-form.active { display: flex; }

.auth-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: var(--fs-sm, 14px);
    font-weight: 600;
    color: var(--text-muted, #5C4F3E);
}
.auth-form input {
    padding: 12px 14px;
    border: 1.5px solid var(--border, #E8E1CC);
    border-radius: var(--radius-sm, 12px);
    background: var(--bg-input, #F2EEE1);
    font-size: var(--fs-md, 16px);
    color: var(--text-main, #2D2418);
    font-family: inherit;
    min-height: 44px;
}
.auth-form input:focus {
    outline: none;
    border-color: var(--ink-blue, #4A6B8A);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ink-blue, #4A6B8A) 18%, transparent);
}
.auth-form button[type="submit"] {
    margin-top: 8px;
    min-height: 48px;
    font-size: var(--fs-md, 16px);
}

.auth-error {
    margin-top: 14px;
    padding: 10px 14px;
    background: color-mix(in srgb, var(--tone-red, #E4B3A5) 40%, var(--bg-card));
    color: var(--ink-red, #A0503F);
    border-radius: var(--radius-sm, 12px);
    font-size: var(--fs-sm, 14px);
    font-weight: 600;
}

.auth-info {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border, #E8E1CC);
    font-size: var(--fs-xs, 12px);
    color: var(--text-muted, #5C4F3E);
    line-height: 1.5;
    text-align: center;
}

/* ═══ User chip in header ═══ */
.auth-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 8px;
    background: var(--bg-elevated, #F8F5EC);
    border: 1px solid var(--border, #E8E1CC);
    border-radius: var(--radius-pill, 999px);
    font-size: var(--fs-sm, 14px);
    font-weight: 700;
    color: var(--text-main, #2D2418);
    max-width: 220px;
}
.auth-user-chip .material-icons { font-size: 22px; color: var(--text-muted, #5C4F3E); }
.auth-user-chip .auth-user-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.auth-role {
    padding: 2px 8px;
    border-radius: var(--radius-pill, 999px);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.auth-role--admin          { background: var(--tone-purple, #D1B7D3); color: var(--ink-purple, #6B4A80); }
.auth-role--senior_teacher { background: var(--tone-yellow, #E8D8A5); color: var(--ink-yellow, #8B6B2E); }
.auth-role--teacher        { background: var(--tone-teal, #B5D8D3);   color: var(--ink-teal, #2A6E67); }

.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1.5px solid var(--border, #E8E1CC);
    color: var(--text-muted, #5C4F3E);
    border-radius: var(--radius-pill, 999px);
    font-size: var(--fs-sm, 14px);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    min-height: 40px;
}
.btn-logout:hover { border-color: var(--ink-red, #A0503F); color: var(--ink-red, #A0503F); }

/* ═══ Admin panel ═══ */
.admin-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.admin-header h2 { margin: 0; font-size: var(--fs-xl, 22px); }

.admin-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.admin-stat {
    padding: 14px 20px;
    background: var(--bg-elevated, #F8F5EC);
    border-radius: var(--radius-md, 20px);
    border: 1px solid var(--border, #E8E1CC);
    flex: 1;
    min-width: 140px;
}
.admin-stat-label { font-size: var(--fs-xs, 12px); color: var(--text-muted, #5C4F3E); font-weight: 600; margin-bottom: 4px; }
.admin-stat-value { font-size: var(--fs-xxl, 28px); font-weight: 900; color: var(--text-main, #2D2418); }

.admin-section {
    background: var(--bg-card, #FFFFFB);
    border: 1px solid var(--border, #E8E1CC);
    border-radius: var(--radius-md, 20px);
    padding: 20px 24px;
    margin-bottom: 20px;
}
.admin-section h3 { margin: 0 0 16px; font-size: var(--fs-lg, 18px); }

.users-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm, 14px); }
.users-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-elevated, #F8F5EC);
    font-weight: 700;
    color: var(--text-muted, #5C4F3E);
    font-size: var(--fs-xs, 12px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.users-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border, #E8E1CC);
    vertical-align: middle;
}
.users-table tr:last-child td { border-bottom: 0; }
.users-table select {
    padding: 6px 10px;
    border-radius: var(--radius-sm, 12px);
    border: 1px solid var(--border, #E8E1CC);
    background: var(--bg-input, #F2EEE1);
    font-family: inherit;
    min-height: 36px;
}
.users-table .btn-danger-small {
    padding: 6px 10px;
    border: 1px solid var(--ink-red, #A0503F);
    color: var(--ink-red, #A0503F);
    background: transparent;
    border-radius: var(--radius-sm, 12px);
    font-family: inherit;
    cursor: pointer;
    font-size: var(--fs-xs, 12px);
    min-height: 36px;
}
.users-table .btn-danger-small:hover { background: color-mix(in srgb, var(--ink-red, #A0503F) 12%, transparent); }
.users-table-wrap { overflow-x: auto; margin: 0 -8px; }

.activity-list { list-style: none; padding: 0; margin: 0; }
.activity-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border, #E8E1CC);
    align-items: center;
}
.activity-item:last-child { border-bottom: 0; }
.activity-icon { color: var(--text-muted, #5C4F3E); font-size: 20px; }
.activity-text { font-size: var(--fs-sm, 14px); color: var(--text-main, #2D2418); }
.activity-text strong { color: var(--ink-blue, #4A6B8A); }
.activity-time { font-size: var(--fs-xs, 12px); color: var(--text-muted, #5C4F3E); white-space: nowrap; }

/* ═══ Mobile ═══ */
@media (max-width: 640px) {
    .auth-card { padding: 28px 20px 24px; }
    .auth-logo { font-size: var(--fs-lg, 18px); }
    .header-controls .auth-user-chip { max-width: 140px; padding: 6px 10px 6px 6px; }
    .header-controls .auth-user-chip .auth-role { display: none; }
    .header-controls .btn-logout span:not(.material-icons) { display: none; }
    .admin-stat { min-width: 100px; padding: 10px 14px; }
    .admin-stat-value { font-size: var(--fs-xl, 22px); }
    .users-table th, .users-table td { padding: 8px 6px; font-size: var(--fs-xs, 12px); }
}