/* NUEV Teacher Dashboard – v1.3.1
 * List-first layout: Courses → Students → Assignments
 */

.nuev-td-wrapper {
    --nuev-td-accent: #003366;
    --nuev-td-border: #e0e4ec;
    --nuev-td-bg: #f7f8fc;
    --nuev-td-text-main: #1f2933;
    --nuev-td-text-muted: #6b7280;

    background: var(--nuev-td-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--nuev-td-border);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.nuev-td-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
}

.nuev-td-title {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--nuev-td-accent);
}

.nuev-td-subtitle {
    font-size: 0.875rem;
    color: var(--nuev-td-text-muted);
}

.nuev-td-view-header {
    margin-bottom: 1rem;
}

.nuev-td-view-header h3 {
    margin: 0 0 0.25rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--nuev-td-text-main);
}

.nuev-td-view-header p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--nuev-td-text-muted);
}

.nuev-td-breadcrumbs {
    font-size: 0.8rem;
    color: var(--nuev-td-text-muted);
    margin-bottom: 0.35rem;
}

.nuev-td-breadcrumbs a {
    color: var(--nuev-td-accent);
    text-decoration: none;
}
.nuev-td-breadcrumbs a:hover {
    text-decoration: underline;
}

/* Course list */

.nuev-td-course-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.nuev-td-course-item {
    margin: 0;
}

.nuev-td-course-link {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.7rem 0.9rem;
    border-radius: 0.8rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.nuev-td-course-link:hover {
    border-color: var(--nuev-td-accent);
    box-shadow: 0 10px 22px rgba(0, 51, 102, 0.15);
    transform: translateY(-1px);
}

.nuev-td-course-main {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.4rem;
}

.nuev-td-course-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--nuev-td-text-main);
}

.nuev-td-course-shortname {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(0, 51, 102, 0.08);
    color: var(--nuev-td-accent);
}

.nuev-td-course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    font-size: 0.78rem;
}

.nuev-td-course-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(0, 51, 102, 0.08);
    color: var(--nuev-td-accent);
    font-weight: 500;
}

.nuev-td-course-chip-light {
    background: #eef2ff;
    color: #3730a3;
}

.nuev-td-course-chip-outline {
    background: transparent;
    border: 1px solid rgba(15, 23, 42, 0.15);
    color: var(--nuev-td-text-muted);
}

.nuev-td-course-summary {
    font-size: 0.8rem;
    color: var(--nuev-td-text-muted);
}

/* Generic table */

.nuev-td-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.35rem;
    background: #ffffff;
    border-radius: 0.8rem;
    overflow: hidden;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.nuev-td-table thead {
    background: rgba(15, 23, 42, 0.03);
}

.nuev-td-table th,
.nuev-td-table td {
    padding: 0.45rem 0.6rem;
    text-align: left;
    font-size: 0.85rem;
}

.nuev-td-table th {
    font-weight: 600;
    color: #4b5563;
    border-bottom: 1px solid #e5e7eb;
}

.nuev-td-table tbody tr:nth-child(even) {
    background: rgba(249, 250, 251, 0.7);
}

.nuev-td-table tbody tr:hover {
    background: rgba(241, 245, 249, 0.9);
}

/* Links in tables */

.nuev-td-link {
    color: var(--nuev-td-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
}
.nuev-td-link:hover {
    text-decoration: underline;
}

/* Grade forms */

.nuev-td-grade-form {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nuev-td-grade-input {
    width: 3.2rem;
    padding: 0.1rem 0.25rem;
    font-size: 0.78rem;
}

.nuev-td-grade-save {
    font-size: 0.75rem !important;
    border-radius: 999px !important;
    padding: 0.15rem 0.6rem !important;
}

/* Messages */

.nuev-td-message {
    margin-top: 0.6rem;
    padding: 0.9rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    font-size: 0.9rem;
}

.nuev-td-message.nuev-td-error {
    border-color: #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

/* Debug details (only if ?nuev_td_debug=1 for admins) */

.nuev-td-debug {
    margin: 0.75rem 0;
    font-size: 0.8rem;
}

.nuev-td-debug summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--nuev-td-accent);
}

.nuev-td-debug pre {
    margin-top: 0.5rem;
    padding: 0.6rem 0.8rem;
    border-radius: 0.5rem;
    background: #111827;
    color: #e5e7eb;
    max-height: 260px;
    overflow: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Block preview */

.nuev-td-preview {
    border-radius: 0.8rem;
    border: 2px dashed var(--nuev-td-accent, #003366);
    padding: 1rem;
    background: #ffffff;
}

.nuev-td-preview-title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--nuev-td-accent, #003366);
}

.nuev-td-preview-text {
    margin: 0;
    font-size: 0.85rem;
    color: #6b7280;
}

.nuev-td-color-picker-wrapper {
    margin-top: 0.5rem;
}