/**
 * HeuriSight Student Dashboard Components
 * Based on: mockups/apple-redesign/14-student-dashboard.html
 * 
 * Provides styling for:
 * - Dashboard container and grid
 * - Section cards with icon headers
 * - Learning pattern card
 * - Competency items with progress
 * - Assessment cards
 * - Activity metrics
 * - Pathway items
 * - Empty states
 */

/* =============================================================================
   DASHBOARD CONTAINER
   ============================================================================= */

.sd-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-6, 24px);
    display: flex;
    flex-direction: column;
    gap: var(--space-6, 24px);
}

/* =============================================================================
   DASHBOARD HEADER
   ============================================================================= */

.sd-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4, 16px);
    padding: var(--space-5, 20px) var(--space-6, 24px);
    background: var(--bg-primary, #FFFFFF);
    border: 1px solid var(--border-light, rgba(0, 0, 0, 0.06));
    border-radius: var(--radius-lg, 16px);
    flex-wrap: wrap;
}

.sd-header__title-group {
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
}

.sd-header__icon-wrapper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle, rgba(0, 113, 227, 0.08));
    border-radius: var(--radius-md, 12px);
    flex-shrink: 0;
}

.sd-header__icon-wrapper svg {
    width: 24px;
    height: 24px;
    color: var(--accent, #0071E3);
}

.sd-header__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl, 24px);
    font-weight: 700;
    color: var(--text-primary, #1D1D1F);
    margin: 0;
}

.sd-header__subtitle {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
    margin: 0;
}

.sd-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    flex-wrap: wrap;
}

/* =============================================================================
   VIEW TOGGLE
   ============================================================================= */

.sd-view-toggle {
    display: flex;
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-sm, 8px);
    padding: 3px;
}

.sd-view-toggle__btn {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    padding: var(--space-2, 8px) var(--space-4, 16px);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm, 6px);
    color: var(--text-secondary, #6E6E73);
    font-size: var(--text-sm, 13px);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast, 150ms) var(--ease-default);
}

.sd-view-toggle__btn:hover {
    color: var(--text-primary, #1D1D1F);
}

.sd-view-toggle__btn--active {
    background: var(--bg-primary, #FFFFFF);
    color: var(--text-primary, #1D1D1F);
    box-shadow: var(--shadow-sm);
}

.sd-view-toggle__btn svg {
    width: 16px;
    height: 16px;
}

/* =============================================================================
   DASHBOARD GRID
   ============================================================================= */

.sd-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5, 20px);
}

@media (max-width: 768px) {
    .sd-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
   SECTION CARDS
   ============================================================================= */

.sd-section {
    background: var(--bg-primary, #FFFFFF);
    border: 1px solid var(--border-light, rgba(0, 0, 0, 0.06));
    border-radius: var(--radius-lg, 16px);
    padding: var(--space-5, 20px);
    display: flex;
    flex-direction: column;
}

.sd-section--full {
    grid-column: 1 / -1;
}

.sd-section__header {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    margin-bottom: var(--space-4, 16px);
}

.sd-section__icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm, 8px);
    flex-shrink: 0;
}

.sd-section__icon svg {
    width: 18px;
    height: 18px;
}

.sd-section__icon--purple {
    background: var(--purple-subtle, rgba(175, 82, 222, 0.12));
    color: var(--purple, #AF52DE);
}

.sd-section__icon--accent {
    background: var(--accent-subtle, rgba(0, 113, 227, 0.08));
    color: var(--accent, #0071E3);
}

.sd-section__icon--success {
    background: var(--success-subtle, rgba(52, 199, 89, 0.1));
    color: var(--success, #34C759);
}

.sd-section__icon--warning {
    background: var(--warning-subtle, rgba(255, 149, 0, 0.12));
    color: var(--warning, #FF9500);
}

.sd-section__title {
    font-size: var(--text-base, 15px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
    margin: 0;
}

.sd-section__content {
    flex: 1;
}

/* =============================================================================
   LEARNING PATTERN
   ============================================================================= */

.sd-learning-pattern__card {
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-md, 12px);
    padding: var(--space-5, 20px);
    border-left: 4px solid var(--accent, #0071E3);
}

.sd-learning-pattern__card--purple {
    border-left-color: var(--purple, #AF52DE);
}

.sd-learning-pattern__card--warning {
    border-left-color: var(--warning, #FF9500);
}

.sd-learning-pattern__card--success {
    border-left-color: var(--success, #34C759);
}

.sd-learning-pattern__card--accent {
    border-left-color: var(--accent, #0071E3);
}

.sd-learning-pattern__card--muted {
    border-left-color: var(--text-tertiary, #86868B);
}

.sd-learning-pattern__header {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    margin-bottom: var(--space-3, 12px);
    flex-wrap: wrap;
}

.sd-learning-pattern__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary, #FFFFFF);
    border-radius: var(--radius-sm, 8px);
    flex-shrink: 0;
}

.sd-learning-pattern__icon svg {
    width: 20px;
    height: 20px;
    color: var(--purple, #AF52DE);
}

.sd-learning-pattern__title {
    font-size: var(--text-lg, 17px);
    font-weight: 700;
    color: var(--text-primary, #1D1D1F);
    flex: 1;
    margin: 0;
}

.sd-learning-pattern__badges {
    display: flex;
    gap: var(--space-2, 8px);
}

.sd-learning-pattern__description {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
    line-height: 1.6;
    margin: 0;
}

/* =============================================================================
   BADGES
   ============================================================================= */

.sd-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1, 4px);
    padding: var(--space-1, 4px) var(--space-2, 8px);
    font-size: var(--text-xs, 11px);
    font-weight: 500;
    border-radius: var(--radius-full, 9999px);
    background: var(--bg-tertiary, #E8E8ED);
    color: var(--text-secondary, #6E6E73);
}

.sd-badge svg {
    width: 12px;
    height: 12px;
}

.sd-badge--success {
    background: var(--success-subtle, rgba(52, 199, 89, 0.12));
    color: var(--success, #34C759);
}

.sd-badge--warning {
    background: var(--warning-subtle, rgba(255, 149, 0, 0.12));
    color: var(--warning, #FF9500);
}

.sd-badge--accent {
    background: var(--accent-subtle, rgba(0, 113, 227, 0.08));
    color: var(--accent, #0071E3);
}

.sd-badge--muted {
    background: var(--bg-tertiary, #E8E8ED);
    color: var(--text-tertiary, #86868B);
}

/* =============================================================================
   COMPETENCY LIST
   ============================================================================= */

.sd-competency-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
}

.sd-competency-item {
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-sm, 8px);
    cursor: pointer;
    transition: all var(--duration-fast, 150ms) var(--ease-default);
}

.sd-competency-item:hover {
    background: var(--bg-tertiary, #E8E8ED);
    transform: translateX(2px);
}

.sd-competency-item__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2, 8px);
}

.sd-competency-item__name {
    font-size: var(--text-sm, 13px);
    font-weight: 500;
    color: var(--text-primary, #1D1D1F);
}

.sd-competency-item__score {
    font-size: var(--text-sm, 13px);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.sd-competency-item__score--success { color: var(--success, #34C759); }
.sd-competency-item__score--accent { color: var(--accent, #0071E3); }
.sd-competency-item__score--warning { color: var(--warning, #FF9500); }
.sd-competency-item__score--muted { color: var(--text-tertiary, #86868B); }

.sd-competency-item__bar {
    height: 6px;
    background: var(--bg-tertiary, #E8E8ED);
    border-radius: var(--radius-full, 9999px);
    overflow: hidden;
}

.sd-competency-item__fill {
    height: 100%;
    border-radius: var(--radius-full, 9999px);
    transition: width var(--duration-normal, 250ms) var(--ease-default);
}

.sd-competency-item__fill--success { background: var(--success, #34C759); }
.sd-competency-item__fill--accent { background: var(--accent, #0071E3); }
.sd-competency-item__fill--warning { background: var(--warning, #FF9500); }
.sd-competency-item__fill--muted { background: var(--text-tertiary, #86868B); }

/* =============================================================================
   PATHWAY LIST
   ============================================================================= */

.sd-pathway-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
}

.sd-pathway-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3, 12px);
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-sm, 8px);
}

.sd-pathway-item__flow {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    flex: 1;
    min-width: 0;
}

.sd-pathway-item__source {
    font-size: var(--text-sm, 13px);
    font-weight: 500;
    color: var(--text-primary, #1D1D1F);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sd-pathway-item__arrow {
    color: var(--accent, #0071E3);
    flex-shrink: 0;
}

.sd-pathway-item__arrow svg {
    width: 16px;
    height: 16px;
}

.sd-pathway-item__target {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sd-pathway-item__support {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
    white-space: nowrap;
}

/* =============================================================================
   ASSESSMENT LIST
   ============================================================================= */

.sd-assessment-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
}

.sd-assessment-card {
    padding: var(--space-4, 16px);
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-sm, 8px);
}

.sd-assessment-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    margin-bottom: var(--space-2, 8px);
}

.sd-assessment-card__title {
    font-size: var(--text-sm, 13px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
    margin: 0;
}

.sd-assessment-card__description {
    font-size: var(--text-xs, 11px);
    color: var(--text-secondary, #6E6E73);
    margin: 0 0 var(--space-3, 12px);
    line-height: 1.5;
}

.sd-assessment-card__due {
    display: flex;
    align-items: center;
    gap: var(--space-1, 4px);
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
    margin-bottom: var(--space-3, 12px);
}

.sd-assessment-card__due svg {
    width: 12px;
    height: 12px;
}

.sd-assessment-card__actions {
    display: flex;
    gap: var(--space-2, 8px);
    flex-wrap: wrap;
}

/* =============================================================================
   ACTIVITY LIST
   ============================================================================= */

.sd-activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 8px);
}

.sd-activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-sm, 8px);
}

.sd-activity-item__label {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
}

.sd-activity-item__value {
    font-size: var(--text-sm, 13px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
    font-variant-numeric: tabular-nums;
}

.sd-activity-item__value--accent { color: var(--accent, #0071E3); }
.sd-activity-item__value--success { color: var(--success, #34C759); }
.sd-activity-item__value--purple { color: var(--purple, #AF52DE); }
.sd-activity-item__value--warning { color: var(--warning, #FF9500); }

/* =============================================================================
   EMPTY STATE
   ============================================================================= */

.sd-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8, 32px) var(--space-4, 16px);
    text-align: center;
}

.sd-empty-state__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-md, 12px);
    margin-bottom: var(--space-4, 16px);
}

.sd-empty-state__icon svg {
    width: 28px;
    height: 28px;
    color: var(--text-tertiary, #86868B);
}

.sd-empty-state__title {
    font-size: var(--text-sm, 13px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
    margin: 0 0 var(--space-1, 4px);
}

.sd-empty-state__description {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
    margin: 0;
    max-width: 200px;
}

/* =============================================================================
   ACTIONS FOOTER
   ============================================================================= */

.sd-actions {
    display: flex;
    gap: var(--space-3, 12px);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* =============================================================================
   PROFILE HEADER (Legacy - kept for CV view)
   ============================================================================= */

.hs-profile-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6, 24px);
    padding: var(--space-6, 24px);
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-xl, 20px);
    margin-bottom: var(--space-6, 24px);
}

.hs-profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent, #0071E3), var(--purple, #AF52DE));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.hs-profile-info {
    flex: 1;
}

.hs-profile-name {
    font-family: var(--font-display);
    font-size: var(--text-2xl, 24px);
    font-weight: 700;
    margin-bottom: var(--space-1, 4px);
    color: var(--text-primary, #1D1D1F);
}

.hs-profile-meta {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
    margin-bottom: var(--space-4, 16px);
}

.hs-profile-stats {
    display: flex;
    gap: var(--space-6, 24px);
}

.hs-profile-stat {
    text-align: center;
}

.hs-profile-stat__value {
    font-family: var(--font-display);
    font-size: var(--text-xl, 20px);
    font-weight: 700;
    color: var(--text-primary, #1D1D1F);
}

.hs-profile-stat__label {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hs-profile-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 8px);
}

/* =============================================================================
   MASTERY RING (Full Size)
   ============================================================================= */

.hs-mastery-ring {
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-lg, 16px);
    padding: var(--space-6, 24px);
    text-align: center;
    margin-bottom: var(--space-4, 16px);
}

.hs-mastery-ring__container {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto var(--space-4, 16px);
}

.hs-mastery-ring__svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.hs-mastery-ring__bg {
    fill: none;
    stroke: var(--bg-tertiary, #E8E8ED);
    stroke-width: 12;
}

.hs-mastery-ring__progress {
    fill: none;
    stroke: var(--success, #34C759);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 440;
    transition: stroke-dashoffset var(--duration-normal, 250ms) var(--ease-default);
}

.hs-mastery-ring__value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.hs-mastery-ring__number {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--success, #34C759);
    line-height: 1;
}

.hs-mastery-ring__label {
    font-size: var(--text-sm, 13px);
    color: var(--text-tertiary, #86868B);
}

.hs-mastery-ring__title {
    font-size: var(--text-lg, 17px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
    margin-bottom: var(--space-2, 8px);
}

.hs-mastery-ring__subtitle {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
}

/* =============================================================================
   COMPETENCY CARD (with icons)
   ============================================================================= */

.hs-competency-card {
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-lg, 16px);
    overflow: hidden;
}

.hs-competency-card__list {
    padding: var(--space-2, 8px) 0;
}

.hs-competency-card__item {
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
    padding: var(--space-3, 12px) var(--space-5, 20px);
    cursor: pointer;
    transition: background var(--duration-fast, 150ms) var(--ease-default);
}

.hs-competency-card__item:hover {
    background: var(--bg-tertiary, #E8E8ED);
}

.hs-competency-card__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md, 12px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hs-competency-card__icon--mastery {
    background: var(--success-subtle, rgba(52, 199, 89, 0.12));
    color: var(--success, #34C759);
}

.hs-competency-card__icon--proficient {
    background: var(--accent-subtle, rgba(0, 113, 227, 0.08));
    color: var(--accent, #0071E3);
}

.hs-competency-card__icon--developing {
    background: var(--warning-subtle, rgba(255, 149, 0, 0.12));
    color: var(--warning, #FF9500);
}

.hs-competency-card__icon--needs-work {
    background: var(--destructive-subtle, rgba(255, 59, 48, 0.12));
    color: var(--destructive, #FF3B30);
}

.hs-competency-card__icon svg {
    width: 20px;
    height: 20px;
}

.hs-competency-card__content {
    flex: 1;
    min-width: 0;
}

.hs-competency-card__name {
    font-size: var(--text-sm, 13px);
    font-weight: 500;
    color: var(--text-primary, #1D1D1F);
    margin-bottom: 2px;
}

.hs-competency-card__level {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
}

.hs-competency-card__score {
    font-family: var(--font-mono, monospace);
    font-size: var(--text-sm, 13px);
    font-weight: 600;
}

.hs-competency-card__chevron {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary, #86868B);
}

/* =============================================================================
   ASSESSMENT LIST
   ============================================================================= */

.hs-assessment-section {
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-lg, 16px);
    margin-bottom: var(--space-4, 16px);
}

.hs-assessment-list {
    padding: var(--space-2, 8px) 0;
}

.hs-assessment-item {
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
    padding: var(--space-4, 16px) var(--space-5, 20px);
    border-bottom: 1px solid var(--border-light, rgba(0, 0, 0, 0.06));
}

.hs-assessment-item:last-child {
    border-bottom: none;
}

.hs-assessment-item__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md, 12px);
    background: var(--purple-subtle, rgba(175, 82, 222, 0.12));
    color: var(--purple, #AF52DE);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hs-assessment-item__icon svg {
    width: 24px;
    height: 24px;
}

.hs-assessment-item__content {
    flex: 1;
}

.hs-assessment-item__title {
    font-size: var(--text-sm, 13px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
    margin-bottom: 4px;
}

.hs-assessment-item__meta {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
}

.hs-assessment-item__status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-2, 8px);
}

.hs-assessment-item__action {
    padding: var(--space-2, 8px) var(--space-4, 16px);
    background: var(--accent, #0071E3);
    color: white;
    border: none;
    border-radius: var(--radius-sm, 6px);
    font-size: var(--text-xs, 11px);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast, 150ms) var(--ease-default);
}

.hs-assessment-item__action:hover {
    background: var(--accent-hover, #0077ED);
}

.hs-assessment-item__action--secondary {
    background: var(--bg-tertiary, #E8E8ED);
    color: var(--text-primary, #1D1D1F);
}

.hs-assessment-item__action--secondary:hover {
    background: var(--border-default, rgba(0, 0, 0, 0.1));
}

/* Status badges for assessments */
.hs-status-badge--complete {
    background: var(--success-subtle, rgba(52, 199, 89, 0.12));
    color: var(--success, #34C759);
}

.hs-status-badge--in-progress {
    background: var(--warning-subtle, rgba(255, 149, 0, 0.12));
    color: var(--warning, #FF9500);
}

.hs-status-badge--available {
    background: var(--accent-subtle, rgba(0, 113, 227, 0.08));
    color: var(--accent, #0071E3);
}

/* =============================================================================
   LEARNING PATH
   ============================================================================= */

.hs-learning-path {
    background: var(--bg-secondary, #F5F5F7);
    border-radius: var(--radius-lg, 16px);
    padding: var(--space-5, 20px);
}

.hs-learning-path__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4, 16px);
}

.hs-learning-path__title {
    font-size: var(--text-base, 15px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
}

.hs-learning-path__progress {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
}

.hs-learning-path__steps {
    position: relative;
}

.hs-learning-path__step {
    display: flex;
    gap: var(--space-4, 16px);
    padding-bottom: var(--space-4, 16px);
    position: relative;
}

.hs-learning-path__step:last-child {
    padding-bottom: 0;
}

.hs-learning-path__step::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 32px;
    bottom: 0;
    width: 2px;
    background: var(--border-light, rgba(0, 0, 0, 0.06));
}

.hs-learning-path__step:last-child::before {
    display: none;
}

.hs-learning-path__indicator {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    font-size: var(--text-xs, 11px);
    font-weight: 600;
}

.hs-learning-path__indicator--complete {
    background: var(--success, #34C759);
    color: white;
}

.hs-learning-path__indicator--current {
    background: var(--accent, #0071E3);
    color: white;
}

.hs-learning-path__indicator--pending {
    background: var(--bg-tertiary, #E8E8ED);
    color: var(--text-tertiary, #86868B);
}

.hs-learning-path__indicator svg {
    width: 16px;
    height: 16px;
}

.hs-learning-path__step-content {
    flex: 1;
    padding-top: 4px;
}

.hs-learning-path__step-title {
    font-size: var(--text-sm, 13px);
    font-weight: 500;
    color: var(--text-primary, #1D1D1F);
    margin-bottom: 2px;
}

.hs-learning-path__step-desc {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
}

/* =============================================================================
   AI PERSONA CARD
   ============================================================================= */

.hs-ai-persona {
    background: linear-gradient(135deg, rgba(175, 82, 222, 0.1), rgba(0, 113, 227, 0.1));
    border: 1px solid var(--border-light, rgba(0, 0, 0, 0.06));
    border-radius: var(--radius-lg, 16px);
    padding: var(--space-5, 20px);
    margin-bottom: var(--space-4, 16px);
}

.hs-ai-persona__header {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    margin-bottom: var(--space-4, 16px);
}

.hs-ai-persona__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple, #AF52DE), var(--accent, #0071E3));
    display: flex;
    align-items: center;
    justify-content: center;
}

.hs-ai-persona__avatar svg {
    width: 24px;
    height: 24px;
    color: white;
}

.hs-ai-persona__info {
    flex: 1;
}

.hs-ai-persona__name {
    font-size: var(--text-sm, 13px);
    font-weight: 600;
    color: var(--text-primary, #1D1D1F);
}

.hs-ai-persona__role {
    font-size: var(--text-xs, 11px);
    color: var(--text-tertiary, #86868B);
}

.hs-ai-persona__message {
    font-size: var(--text-sm, 13px);
    color: var(--text-secondary, #6E6E73);
    line-height: 1.6;
}

/* =============================================================================
   VIEW TOGGLE
   ============================================================================= */

.hs-view-toggle {
    display: flex;
    background: var(--bg-tertiary, #E8E8ED);
    border-radius: var(--radius-sm, 6px);
    padding: 3px;
    margin-bottom: var(--space-6, 24px);
}

.hs-view-toggle__btn {
    flex: 1;
    padding: var(--space-2, 8px) var(--space-4, 16px);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm, 6px);
    color: var(--text-secondary, #6E6E73);
    font-size: var(--text-sm, 13px);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast, 150ms) var(--ease-default);
}

.hs-view-toggle__btn--active {
    background: var(--bg-secondary, #F5F5F7);
    color: var(--text-primary, #1D1D1F);
    box-shadow: var(--shadow-sm);
}

/* =============================================================================
   DARK THEME
   ============================================================================= */

/* New student dashboard dark theme */
[data-theme="dark"] .sd-header,
[data-theme="dark"] .sd-section {
    background: var(--bg-secondary, #1C1C1E);
    border-color: var(--border-light, rgba(255, 255, 255, 0.08));
}

[data-theme="dark"] .sd-view-toggle {
    background: var(--bg-tertiary, #2C2C2E);
}

[data-theme="dark"] .sd-view-toggle__btn--active {
    background: var(--bg-secondary, #1C1C1E);
}

[data-theme="dark"] .sd-learning-pattern__card,
[data-theme="dark"] .sd-competency-item,
[data-theme="dark"] .sd-pathway-item,
[data-theme="dark"] .sd-assessment-card,
[data-theme="dark"] .sd-activity-item {
    background: var(--bg-tertiary, #2C2C2E);
}

[data-theme="dark"] .sd-competency-item:hover {
    background: var(--bg-quaternary, #3A3A3C);
}

[data-theme="dark"] .sd-learning-pattern__icon,
[data-theme="dark"] .sd-empty-state__icon {
    background: var(--bg-quaternary, #3A3A3C);
}

[data-theme="dark"] .sd-competency-item__bar {
    background: var(--bg-quaternary, #3A3A3C);
}

[data-theme="dark"] .sd-badge {
    background: var(--bg-quaternary, #3A3A3C);
}

/* Legacy components */
[data-theme="dark"] .hs-profile-header,
[data-theme="dark"] .hs-mastery-ring,
[data-theme="dark"] .hs-competency-card,
[data-theme="dark"] .hs-assessment-section,
[data-theme="dark"] .hs-learning-path {
    background: var(--bg-secondary, #2C2C2E);
}

[data-theme="dark"] .hs-competency-card__item:hover,
[data-theme="dark"] .hs-view-toggle__btn--active {
    background: var(--bg-tertiary, #3A3A3C);
}

[data-theme="dark"] .hs-view-toggle {
    background: var(--bg-tertiary, #3A3A3C);
}

[data-theme="dark"] .hs-mastery-ring__bg {
    stroke: var(--bg-tertiary, #3A3A3C);
}

[data-theme="dark"] .hs-learning-path__indicator--pending {
    background: var(--bg-tertiary, #3A3A3C);
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 1024px) {
    .hs-profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .hs-profile-stats {
        justify-content: center;
    }
    
    .hs-profile-actions {
        flex-direction: row;
    }
}

@media (max-width: 768px) {
    .hs-profile-avatar {
        width: 80px;
        height: 80px;
        font-size: 28px;
    }
    
    .hs-profile-stats {
        flex-wrap: wrap;
    }
    
    .hs-assessment-item {
        flex-wrap: wrap;
    }
    
    .hs-assessment-item__status {
        width: 100%;
        flex-direction: row;
        justify-content: flex-end;
        margin-top: var(--space-2, 8px);
    }
}