/* ── Student Profile View (spr-*) ── */

/* Shell */
.spr-shell {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Back Bar */
.spr-back-bar {
    display: flex;
    align-items: center;
}

.spr-back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    color: var(--primary);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-fast);
}

.spr-back-btn:hover {
    background: color-mix(in srgb, var(--primary) 5%, transparent);
}

.spr-start-session-btn {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--primary);
    color: var(--fg-on-primary);
    border: none;
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-fast);
}

.spr-start-session-btn:hover {
    opacity: 0.9;
}

.spr-start-session-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Hero Card */


.spr-avatar {
    width: 96px;
    height: 96px;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: linear-gradient(to bottom right, var(--primary), var(--primary-container));
    display: flex;
    align-items: center;
    justify-content: center;
}

.spr-avatar-initials {
    font-family: var(--font-headline);
    font-size: var(--text-h1);
    font-weight: var(--weight-extrabold);
    color: var(--fg-on-primary);
    letter-spacing: var(--tracking-tight);
}


/* Stat Chips */


/* Below-fold Grid */
.spr-below-fold {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: var(--space-5);
    align-items: start;
    padding-bottom: var(--space-10);
}

/* Panels */
.spr-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-6) 28px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xs);
}

.spr-panel-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.spr-panel-header {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--color-primary-700);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

.spr-edit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.spr-edit-btn:hover {
    background: color-mix(in srgb, var(--primary) 8%, transparent);
    border-color: color-mix(in srgb, var(--primary) 20%, transparent);
    color: var(--primary);
}

.spr-edit-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.spr-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.spr-delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--error);
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}
.spr-delete-btn:hover {
    background: color-mix(in srgb, var(--error) 10%, transparent);
    border-color: color-mix(in srgb, var(--error) 25%, transparent);
}
.spr-delete-btn:focus-visible {
    outline: 2px solid var(--error);
    outline-offset: 2px;
}


/* Profile Details Rows */
.spr-rows {
    display: flex;
    flex-direction: column;
}

.spr-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    align-items: start;
    gap: var(--space-6);
    padding: 14px 0;
    border-bottom: 1px solid var(--color-neutral-100);
}

.spr-row:last-child {
    border-bottom: none;
}

.spr-row--pills {
    align-items: start;
}

.spr-row-label {
    font-size: var(--text-body);
    font-weight: var(--weight-medium);
    color: var(--fg-secondary);
    padding-top: 2px;
}

.spr-row-value {
    font-size: var(--text-h3);
    font-weight: var(--weight-bold);
    color: var(--fg-primary);
}

.spr-row-value--notes {
    font-weight: var(--weight-regular);
    font-size: var(--text-body);
    color: var(--fg-secondary);
    line-height: var(--leading-normal);
}


/* Notes Section */


/* Learning Profile — read-only display */
.spr-lp-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.spr-lp-trait {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.spr-lp-trait-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--fg-primary);
    letter-spacing: var(--tracking-normal);
}

.spr-lp-trait-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.spr-lp-trait-desc {
    font-size: var(--text-sm);
    color: var(--fg-secondary);
    line-height: var(--leading-normal);
}

/* Legacy trait classes kept for backward compat (no longer rendered, not deleted) */

/* Pills (shared base) */


/* Subject pills — coloured per subject, used in Profile Details and compact header */
.pill {
    display: inline-flex;
    align-items: center;
    padding: 4px var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-full);
    line-height: 1.4;
}
.pill-math    { background: var(--color-subject-math-bg);    color: var(--color-subject-math-fg); }
.pill-english { background: var(--color-subject-english-bg); color: var(--color-subject-english-fg); }
.pill-science { background: var(--color-subject-science-bg); color: var(--color-subject-science-fg); }
.pill-chinese { background: var(--color-subject-chinese-bg); color: var(--color-subject-chinese-fg); }
.pill-malay   { background: var(--color-subject-malay-bg);   color: var(--color-subject-malay-fg); }
.pill-history { background: var(--color-subject-history-bg); color: var(--color-subject-history-fg); }
.pill-music   { background: var(--color-subject-music-bg);   color: var(--color-subject-music-fg); }
.pill-art     { background: var(--color-subject-art-bg);     color: var(--color-subject-art-fg); }
.pill-unknown { background: var(--color-neutral-100);         color: var(--color-neutral-500); }

/* LP display pill modifier — primary-tinted (same as edit modal selected state) */
.pill--lp {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    padding: 4px var(--space-3);
    border-radius: var(--radius-full);
    letter-spacing: normal;
    text-transform: none;
}

/* Pills container */
.pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Learning needs chips */
.ln-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px var(--space-4);
    border-radius: var(--radius-full);
    background: var(--color-neutral-100);
    color: var(--color-neutral-500);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    font-style: italic;
}
.ln-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Empty / None states */
.spr-none-recorded {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--fg-secondary);
    font-style: italic;
}


.spr-empty {
    font-size: var(--text-body);
    color: var(--fg-secondary);
    line-height: var(--leading-normal);
    padding: 4px 0 var(--space-2);
}

.spr-error-msg {
    padding: var(--space-8);
}

/* ── Learning Profile Edit Modal ───────────────────────────── */
.lp-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-8);
    transition: opacity 0.2s ease;
}
.lp-modal-overlay[hidden] { display: none; }
.lp-modal-overlay.saving  { pointer-events: none; opacity: 0.6; }

.lp-modal {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.lp-modal-head {
    padding: 22px var(--space-8) 18px;
    border-bottom: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}
.lp-modal-title {
    font-size: var(--text-h2);
    font-weight: var(--weight-bold);
    color: var(--fg-primary);
    letter-spacing: var(--tracking-tight);
}
.lp-modal-subtitle {
    font-size: var(--text-sm);
    color: var(--fg-secondary);
    margin-top: 2px;
}
.lp-modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--fg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    flex-shrink: 0;
}
.lp-modal-close:hover { background: var(--color-neutral-100); color: var(--fg-primary); }

.lp-modal-body {
    padding: var(--space-2) var(--space-8) var(--space-4);
    overflow-y: auto;
    flex: 1;
}

.lp-modal-foot {
    padding: var(--space-4) var(--space-8);
    border-top: 1px solid var(--border-default);
    background: var(--color-neutral-50);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Trait sections */
.lp-trait-section {
    padding: 22px 0;
    border-bottom: 1px solid var(--color-neutral-100);
}
.lp-trait-section:last-child { border-bottom: none; }

.lp-trait-label {
    font-size: var(--text-h3);
    font-weight: var(--weight-bold);
    color: var(--fg-primary);
    letter-spacing: var(--tracking-normal);
    margin-bottom: 2px;
}
.lp-trait-hint {
    font-size: var(--text-sm);
    color: var(--fg-tertiary);
    margin-bottom: var(--space-3);
}
.lp-trait-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.lp-trait-pill {
    padding: 7px var(--space-4);
    border-radius: var(--radius-full);
    background: var(--color-neutral-100);
    color: var(--color-neutral-700);
    border: 1px solid transparent;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-base);
    user-select: none;
}
.lp-trait-pill:hover { background: var(--color-neutral-200); }
.lp-trait-pill.selected {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    border-color: var(--color-primary-600);
}

.lp-trait-textarea {
    width: 100%;
    min-height: 64px;
    resize: vertical;
    padding: var(--space-3) var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    color: var(--fg-primary);
    background: var(--color-neutral-50);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition-base);
    box-sizing: border-box;
}
.lp-trait-textarea:focus {
    background: var(--bg-surface);
    border-color: var(--border-focus);
    box-shadow: var(--shadow-focus);
}
.lp-trait-textarea::placeholder { color: var(--fg-tertiary); }

/* Modal buttons */
.lp-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 11px var(--space-5);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
}
.lp-btn-cancel {
    background: var(--bg-surface);
    color: var(--fg-primary);
    border-color: var(--border-default);
}
.lp-btn-cancel:hover { background: var(--color-neutral-100); }

.lp-btn-save {
    background: var(--color-primary-700);
    color: var(--fg-on-primary);
    border-color: var(--color-primary-700);
    box-shadow: var(--shadow-primary);
    min-width: 110px;
    justify-content: center;
}
.lp-btn-save:hover { background: var(--color-primary-800); border-color: var(--color-primary-800); }
.lp-btn-save:disabled { cursor: not-allowed; opacity: 0.85; }
.lp-btn-save.saving .lp-spinner { display: inline-block; }

.lp-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: var(--radius-full);
    animation: lp-spin 0.7s linear infinite;
    display: none;
    flex-shrink: 0;
}
@keyframes lp-spin { to { transform: rotate(360deg); } }

/* Compact header — shown on all profile tabs */
.spr-compact-header {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-2) var(--space-1) var(--space-6);
}
.spr-compact-identity {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-width: 0;
    flex: 1;
}
/* Rounded-square avatar for compact header (overrides base .spr-avatar radius-full) */
.spr-avatar--sm {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}
.spr-compact-title { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.spr-compact-name {
    font-weight: var(--weight-bold);
    font-size: 22px;
    color: var(--fg-primary);
    letter-spacing: var(--tracking-tight);
    line-height: 1.1;
}
.spr-compact-meta {
    font-size: var(--text-body);
    font-weight: var(--weight-medium);
    color: var(--fg-secondary);
}
.spr-compact-subjects { font-size: var(--text-sm); color: var(--fg-secondary); }
.spr-compact-stats {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    margin-left: var(--space-5);
    flex-shrink: 0;
}
.spr-compact-chip {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-5);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 110px;
}
.spr-compact-chip-value {
    font-size: var(--text-h1);
    font-weight: var(--weight-extrabold);
    color: var(--color-primary-700);
    letter-spacing: var(--tracking-tight);
    line-height: 1.1;
}
.spr-compact-chip-value--muted { color: var(--color-neutral-300); }
.spr-compact-chip-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--fg-secondary);
    margin-top: 2px;
}
.spr-compact-actions { margin-left: auto; display: flex; gap: var(--space-3); align-items: center; flex-shrink: 0; }
.spr-compact-legend-btn { background: transparent; border: none; font-size: 18px; }

/* Ensure the compact header legend anchor establishes a positioning context
    so the absolute-positioned .matrix-legend-popover aligns correctly. */
.spr-compact-legend-anchor { position: relative; }