.tt-shell {
    background: var(--tt-light, #F3F4F6);
    color: #1f2937;
    min-height: 100%;
    padding: 24px;
}

.tt-header {
    align-items: center;
    background: var(--tt-primary, #002B5C);
    color: var(--tt-white, #FFFFFF);
    display: flex;
    justify-content: space-between;
    margin: -24px -24px 24px;
    padding: 24px;
}

.tt-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 4px 0 0;
}

.tt-eyebrow,
.tt-card-label {
    color: rgba(255, 255, 255, 0.78);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.tt-btn-primary,
.tt-btn-primary:hover,
.tt-btn-primary:focus {
    background: var(--tt-secondary, #005EB8);
    border-color: var(--tt-secondary, #005EB8);
    color: var(--tt-white, #FFFFFF);
}

.tt-dashboard-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.tt-card,
.tt-panel {
    background: var(--tt-white, #FFFFFF);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 43, 92, 0.08);
}

.tt-card {
    padding: 20px;
}

.tt-card strong {
    color: var(--tt-primary, #002B5C);
    display: block;
    font-size: 30px;
    margin-top: 8px;
}

.tt-card .tt-card-label {
    color: #6b7280;
}

.tt-panel {
    padding: 20px;
}

.tt-table > thead > tr > th {
    background: #eef4fb;
    color: var(--tt-primary, #002B5C);
}

.tt-step-icon,
.tt-timeline-marker {
    align-items: center;
    border-radius: 8px;
    color: var(--tt-white, #FFFFFF);
    display: inline-flex;
    height: 34px;
    justify-content: center;
    line-height: 1;
    margin-right: 8px;
    width: 34px;
}

.tt-step-icon-lg {
    flex: 0 0 58px;
    font-size: 24px;
    height: 58px;
    width: 58px;
}

.tt-form-section {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin: 18px 0;
    padding: 16px;
}

.tt-form-section h3 {
    color: var(--tt-primary, #002B5C);
    font-size: 17px;
    margin: 0 0 14px;
}

.tt-icon-config {
    align-items: flex-start;
    display: flex;
    gap: 16px;
}

.tt-icon-fields {
    flex: 1 1 auto;
}

.tt-color-field {
    min-width: 120px;
}

.tt-icon-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tt-icon-choice {
    align-items: center;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    color: var(--tt-primary, #002B5C);
    display: inline-flex;
    gap: 7px;
    min-height: 34px;
    padding: 7px 10px;
}

.tt-icon-choice:hover {
    border-color: var(--tt-secondary, #005EB8);
}

.tt-color-dot {
    border: 1px solid #d1d5db;
    border-radius: 99px;
    display: inline-block;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
    width: 16px;
}

.tt-student-timeline {
    display: grid;
    gap: 14px;
}

.tt-timeline-item {
    display: grid;
    gap: 12px;
    grid-template-columns: 44px minmax(0, 1fr);
}

.tt-timeline-marker {
    height: 44px;
    margin: 0;
    width: 44px;
}

.tt-timeline-body {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 14px;
}

.tt-timeline-top {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.tt-timeline-top h3 {
    color: var(--tt-primary, #002B5C);
    font-size: 18px;
    margin: 0;
}

.tt-status,
.tt-tag {
    border: 1px solid;
    border-radius: 999px;
    display: inline-flex;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 9px;
}

.tt-timeline-meta {
    color: #6b7280;
    display: flex;
    flex-wrap: wrap;
    font-size: 13px;
    gap: 12px;
    margin: 8px 0;
}

.tt-timeline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tt-tag {
    border-color: var(--tt-secondary, #005EB8);
    color: var(--tt-secondary, #005EB8);
}

.tt-tag-accent {
    border-color: var(--tt-accent, #D4AF37);
    color: #8a6a10;
}

.tt-tag-muted {
    border-color: #d1d5db;
    color: #6b7280;
}

@media (max-width: 700px) {
    .tt-header,
    .tt-icon-config,
    .tt-timeline-top {
        align-items: stretch;
        flex-direction: column;
    }

    .tt-shell {
        padding: 16px;
    }

    .tt-header {
        margin: -16px -16px 16px;
        padding: 18px;
    }
}