/* Module: Teacher Portal (tp-) — landing, auth, dashboard, brief detail */

.tp-page {
    padding: var(--space-2xl) 0 var(--space-4xl);
}

/* ---------- Claim bar (rendered on view-brief.php) ---------- */

.tp-claim-bar {
    max-width: 760px;
    margin: 0 auto var(--space-md);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: center;
    justify-content: space-between;
}

.tp-claim-bar--owned {
    background: #e8f5ec;
    border-color: #b9d9c2;
}

.tp-claim-bar__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary-dark);
    line-height: 1.4;
    flex: 1 1 280px;
    margin: 0;
}

.tp-claim-bar__title--owned {
    color: var(--color-success);
    font-weight: 700;
}

.tp-claim-bar__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
}

.tp-claim-bar__link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.tp-claim-bar__link:hover {
    color: var(--color-accent-orange);
}

@media print {
    .tp-claim-bar { display: none !important; }
    .tp-footer-link { display: none !important; }
}

.tp-footer-link {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 6px;
    display: block;
}

.tp-footer-link a {
    color: var(--color-text-secondary);
    text-decoration: underline;
}

.tp-footer-link a:hover {
    color: var(--color-accent-orange);
}

/* ---------- Auth (signup / login) ---------- */

.tp-auth {
    max-width: 460px;
    margin: 0 auto;
}

.tp-auth__intro {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.tp-auth__intro h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.4px;
}

.tp-auth__intro p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

.tp-auth__form {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.tp-auth__field {
    margin-bottom: var(--space-md);
}

.tp-auth__field:last-of-type {
    margin-bottom: var(--space-lg);
}

.tp-auth__hint {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 6px;
    line-height: 1.5;
}

.tp-auth__error {
    display: none;
    margin-bottom: var(--space-md);
}

.tp-auth__error[data-visible="true"] {
    display: block;
}

.tp-auth__consent {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    line-height: 1.5;
    text-align: center;
}

.tp-auth__alt {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 14px;
    color: var(--color-text-secondary);
}

.tp-auth__alt a {
    font-weight: 600;
}

.tp-password-wrap {
    position: relative;
}

.tp-password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 0;
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 6px;
}

.tp-password-toggle:hover {
    color: var(--color-accent-orange);
}

/* ---------- Dashboard ---------- */

.tp-dashboard {
    max-width: 1100px;
    margin: 0 auto;
}

.tp-dashboard__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.tp-dashboard__header h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.4px;
    margin: 0;
}

.tp-dashboard__filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.tp-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tp-pill {
    display: inline-block;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    text-decoration: none;
}

.tp-pill:hover {
    color: var(--color-accent-orange);
}

.tp-pill--active {
    background: var(--color-dark-btn);
    color: white;
    border-color: var(--color-dark-btn);
}

.tp-pill--active:hover {
    color: var(--color-accent-gold);
    opacity: 0.9;
}

.tp-sort {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.tp-sort label {
    font-weight: 600;
}

.tp-sort select {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 6px 10px;
    font-size: 13px;
    font-family: inherit;
    color: var(--color-primary-dark);
}

.tp-stats {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
    text-align: center;
}

/* ---------- Brief list table ---------- */

.tp-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.tp-table thead th {
    text-align: left;
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    letter-spacing: 0.4px;
}

.tp-table__row {
    border-bottom: 1px solid var(--color-border-light);
}

.tp-table__row:last-child {
    border-bottom: 0;
}

.tp-table__cell {
    padding: var(--space-md);
    font-size: 14px;
    color: var(--color-primary-dark);
    vertical-align: middle;
}

.tp-table__row--past .tp-table__cell--deadline {
    color: var(--color-danger);
    font-weight: 700;
}

.tp-table__row--past {
    background: rgba(217, 38, 38, 0.04);
}

.tp-table__row--soon .tp-table__cell--deadline {
    color: var(--color-warning);
    font-weight: 700;
}

.tp-table__cell--name {
    font-weight: 600;
}

.tp-table__cell--course {
    color: var(--color-text-secondary);
}

.tp-table__link {
    font-weight: 600;
    text-decoration: underline;
}

.tp-empty {
    background: var(--color-bg-subtle);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.tp-empty strong {
    color: var(--color-primary-dark);
    font-weight: 700;
    display: block;
    margin-bottom: var(--space-sm);
}

/* ---------- Status badges ---------- */

.tp-status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.tp-status-badge--new {
    background: var(--color-bg-subtle);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

.tp-status-badge--in-progress {
    background: rgba(236, 164, 19, 0.15);
    color: #8a5e08;
    border-color: rgba(236, 164, 19, 0.4);
}

.tp-status-badge--submitted {
    background: rgba(46, 158, 93, 0.15);
    color: #1f6f3f;
    border-color: rgba(46, 158, 93, 0.4);
}

.tp-status-badge--declined {
    background: var(--color-bg-subtle);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
    text-decoration: line-through;
}

/* ---------- Stacked-card view (mobile) ---------- */

@media (max-width: 768px) {
    .tp-dashboard__header { flex-direction: column; align-items: flex-start; gap: var(--space-xs); }
    .tp-table { border: 0; background: transparent; }
    .tp-table thead { display: none; }
    .tp-table__row { display: block; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: var(--space-sm); padding: var(--space-md); }
    .tp-table__cell { display: block; padding: 4px 0; }
    .tp-table__cell--name { font-size: 16px; margin-bottom: 4px; }
    .tp-table__cell::before { content: attr(data-label); font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px; color: var(--color-text-secondary); display: inline-block; min-width: 90px; font-weight: 700; }
    .tp-table__cell--name::before, .tp-table__cell--actions::before { content: ''; min-width: 0; }
    .tp-sort { margin-left: 0; }
}

/* ---------- Per-brief detail view ---------- */

.tp-brief-detail {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-xl);
    align-items: flex-start;
    max-width: 1100px;
    margin: 0 auto;
}

.tp-brief-detail__main {
    min-width: 0;
}

.tp-brief-detail__sidebar {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    position: sticky;
    top: 100px;
}

.tp-brief-detail__sidebar h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.tp-brief-detail__field {
    margin-bottom: var(--space-md);
}

.tp-brief-detail__notes {
    min-height: 140px;
}

.tp-brief-detail__actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.tp-brief-detail__save-status {
    font-size: 13px;
    color: var(--color-success);
    margin-top: var(--space-sm);
    display: none;
}

.tp-brief-detail__save-status[data-visible="true"] {
    display: block;
}

.tp-back-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-decoration: underline;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.tp-back-link:hover {
    color: var(--color-accent-orange);
}

@media (max-width: 900px) {
    .tp-brief-detail { grid-template-columns: 1fr; }
    .tp-brief-detail__sidebar { position: static; }
}

/* ---------- Landing (teacher-portal.php) ---------- */

.tp-landing__hero {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-2xl);
}

.tp-landing__hero h1 {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.6px;
    margin-bottom: var(--space-md);
}

.tp-landing__hero p {
    font-size: 17px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.tp-landing__features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.tp-landing__feature {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.tp-landing__feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.tp-landing__feature p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.tp-landing__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.tp-landing__honesty {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.5;
    max-width: 520px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .tp-landing__features { grid-template-columns: 1fr; }
    .tp-landing__hero h1 { font-size: 28px; }
}

/* ---------- Generic top nav user state ---------- */

.tp-user-strip {
    font-size: 13px;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.tp-user-strip a {
    font-weight: 600;
}