/* === Dashboard === */
.dashboard {
    padding: 2.5rem 2rem;
    max-width: 900px;
}

.dash-header { margin-bottom: 2rem; }
.dash-header h1 { font-size: 1.75rem; font-weight: 300; letter-spacing: -0.02em; }
.dash-sub { color: var(--text2); margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.6; max-width: 520px; }

.dash-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1rem;
}

.dash-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.card-label {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text3);
    margin-bottom: 0.875rem;
}

.card-today { grid-column: 1; grid-row: 1; }
.card-next { grid-column: 2; grid-row: 1; }
.card-stats { grid-column: 1; grid-row: 2; }
.card-courses { grid-column: 2; grid-row: 2; }

/* Session rows */
.session-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}
.session-row:last-child { border-bottom: none; }

.sr-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c, var(--accent));
    margin-top: 4px;
    flex-shrink: 0;
}

.session-row.active .sr-dot { box-shadow: 0 0 8px var(--c); }
.session-row.done { opacity: 0.5; }

.sr-time { font-size: 0.75rem; font-family: var(--font-mono); color: var(--text3); }
.sr-name { font-size: 0.875rem; font-weight: 500; }
.sr-topic { font-size: 0.8rem; color: var(--text2); }
.sr-status { margin-left: auto; font-size: 0.75rem; color: var(--accent); }

.empty-state {
    color: var(--text3);
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 0.5rem 0;
}

/* Next session card */
.next-course {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.nc-icon { font-size: 1.25rem; color: var(--c); margin-top: 2px; }
.nc-name { font-size: 1rem; font-weight: 500; }
.nc-time { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text2); margin-top: 2px; }
.nc-topic { font-size: 0.8rem; color: var(--text3); }

/* Stats */
.stats-grid { display: flex; gap: 1.5rem; }
.stat-val { font-size: 2rem; font-weight: 300; font-family: var(--font-mono); color: var(--text); line-height: 1; }
.stat-key { font-size: 0.75rem; color: var(--text3); margin-top: 4px; }
.stat-delta { font-size: 0.7rem; margin-top: 4px; font-family: var(--font-mono); }
.stat-delta.delta-up { color: #00b894; }
.stat-delta.delta-down { color: #e17055; }
.stat-sub { font-size: 0.68rem; color: var(--text3); margin-top: 4px; font-family: var(--font-mono); }

/* Streak flame: emphasizes the current-streak number when it matches or nears the all-time
   record (see Index.razor's stat-item-streak). Record = full-opacity/slight glow, "almost" = dimmer. */
.streak-flame { font-size: 1rem; margin-left: 0.3rem; vertical-align: middle; }
.streak-flame-record { filter: drop-shadow(0 0 4px rgba(225, 112, 85, 0.6)); }
.streak-flame-close { opacity: 0.55; }

/* Course pills */
.course-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.course-pill {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--bg3);
    border-radius: 6px;
    padding: 0.25rem 0.6rem;
    font-size: 0.78rem;
    border-left: 2px solid var(--c);
}
.cp-icon { font-size: 0.9rem; }
.cp-name { color: var(--text2); font-family: var(--font-mono); }
.pill-tag {
    font-size: 0.65rem;
    padding: 1px 6px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent2) 18%, transparent);
    color: var(--accent2);
}
/* Deadline countdown badge next to the course pills, same amber/red urgency tiers as .exam-row
   (<=7 days amber, <=3 days red) for consistent urgency colors across both cards. */
.pill-deadline {
    font-size: 0.65rem;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--bg2);
    color: var(--text3);
}
.pill-deadline.deadline-soon {
    background: color-mix(in srgb, #fdcb6e 18%, transparent);
    color: #fdcb6e;
}
.pill-deadline.deadline-urgent {
    background: color-mix(in srgb, #e17055 18%, transparent);
    color: #e17055;
}

/* === Monthly Quota Card === */
.card-quota-week { grid-column: 1; grid-row: 3; }
.card-quota      { grid-column: 2; grid-row: 3; }
.card-trend      { grid-column: 1 / -1; grid-row: 4; }
.card-exams      { grid-column: 1 / -1; grid-row: 5; }
.card-progress   { grid-column: 1; grid-row: 6; }
.card-mini-donut { grid-column: 2; grid-row: 6; }
.card-today-focus{ grid-column: 1 / -1; grid-row: 7; }
.card-recent       { grid-column: 1; grid-row: 8; }
.card-note-preview { grid-column: 2; grid-row: 8; }
.card-neglect      { grid-column: 1 / -1; grid-row: 9; }
.card-achievements { grid-column: 1 / -1; grid-row: 10; }
.card-topics-progress { grid-column: 1 / -1; grid-row: 11; }
.card-month-comparison { grid-column: 1 / -1; grid-row: 12; }
.card-focus-score { grid-column: 1 / -1; grid-row: 13; }
.card-best-record { grid-column: 1 / -1; grid-row: 14; }

.dash-inactivity-banner,
.dash-anomaly-banner,
.dash-backup-banner { margin: 0 0 1.5rem 0; display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }

.sr-recurring { margin-left: 0.3rem; font-size: 0.7rem; opacity: 0.75; }

.achievements-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.achievement-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.7rem;
    border-radius: 20px;
    background: var(--bg3);
    border: 1px solid var(--border);
    font-size: 0.78rem;
    transition: var(--transition);
}
.achievement-badge.locked { opacity: 0.35; filter: grayscale(1); }
.achievement-badge.unlocked { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--bg3)); }
.achievement-icon { font-size: 1rem; }
.achievement-name { color: var(--text2); white-space: nowrap; }
.achievement-badge.unlocked .achievement-name { color: var(--text); }

.note-preview-title { font-size: 0.9rem; font-weight: 500; margin-bottom: 0.35rem; }
.note-preview-excerpt { font-size: 0.82rem; color: var(--text2); line-height: 1.5; margin-bottom: 0.5rem; }
.note-preview-meta { font-size: 0.7rem; color: var(--text3); font-family: var(--font-mono); margin-bottom: 0.75rem; }

.today-focus-row { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.today-ring-block { flex-shrink: 0; }
.today-ring {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    position: relative;
}
.today-ring-hole {
    position: absolute;
    inset: 10px;
    background: var(--bg2);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.today-ring-val { font-size: 0.95rem; font-weight: 500; font-family: var(--font-mono); }
.today-ring-target { font-size: 0.6rem; color: var(--text3); }

.streak-strip { display: flex; gap: 0.6rem; flex: 1 1 auto; }
.streak-day { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }
.streak-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg3);
    border: 1px solid var(--border);
}
.streak-day.studied .streak-dot { background: var(--accent); border-color: var(--accent); }
.streak-day.is-today .streak-dot { box-shadow: 0 0 0 2px var(--bg2), 0 0 0 3px var(--border2); }
.streak-label { font-size: 0.62rem; color: var(--text3); font-family: var(--font-mono); text-transform: capitalize; }

.donut-wrap-sm { gap: 1rem; }
.donut-chart-sm { width: 84px; height: 84px; }
.donut-chart-sm .donut-hole { inset: 12px; }

.exam-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.exam-row:last-child { border-bottom: none; }
.exam-name { font-size: 0.875rem; font-weight: 500; }
.exam-date { font-size: 0.8rem; color: var(--text2); font-family: var(--font-mono); display: flex; gap: 0.5rem; align-items: baseline; }
.exam-days { color: var(--text3); font-family: var(--font-sans, inherit); }

/* Urgency color-coding: amber for due-soon (<=7 days), red for due-very-soon/overdue (<=3 days
   or already past). Left accent bar makes the tier scannable at a glance, not just the days text. */
.exam-row.soon { border-left: 2px solid #fdcb6e; padding-left: 0.6rem; }
.exam-row.soon .exam-name { color: #fdcb6e; }
.exam-row.soon .exam-days { color: #fdcb6e; }
.exam-row.urgent { border-left: 2px solid #e17055; padding-left: 0.6rem; }
.exam-row.urgent .exam-name { color: #e17055; }
.exam-row.urgent .exam-days { color: #e17055; font-weight: 500; }

.trend-chart { display: flex; align-items: flex-end; gap: 0.75rem; height: 100px; }
.trend-bar-col { flex: 1 1 0; display: flex; flex-direction: column; align-items: center; gap: 0.4rem; height: 100%; }
.trend-bar-track { flex: 1 1 auto; width: 100%; max-width: 28px; display: flex; align-items: flex-end; background: var(--bg3); border-radius: 4px; overflow: hidden; }
.trend-bar-fill { width: 100%; background: var(--border2); border-radius: 4px; transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1); min-height: 2px; }
.trend-bar-fill.current { background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 60%, transparent)); }
.trend-bar-label { font-size: 0.65rem; color: var(--text3); font-family: var(--font-mono); }

.quota-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.875rem;
    flex-wrap: wrap;
}

.quota-hours {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.quota-target {
    font-size: 0.8rem;
    color: var(--text3);
    font-family: var(--font-mono);
}

.quota-badge {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
}

.badge-ok {
    background: rgba(0, 184, 148, 0.12);
    color: #00b894;
    border: 1px solid rgba(0, 184, 148, 0.25);
}

.badge-warn {
    background: rgba(253, 203, 110, 0.12);
    color: #fdcb6e;
    border: 1px solid rgba(253, 203, 110, 0.25);
}

.badge-bad {
    background: rgba(225, 112, 85, 0.12);
    color: #e17055;
    border: 1px solid rgba(225, 112, 85, 0.25);
}

.quota-bar-track {
    position: relative;
    height: 4px;
    background: var(--bg3);
    border-radius: 2px;
    overflow: visible;
    margin-bottom: 0.375rem;
}

.quota-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fill-ok  { background: linear-gradient(90deg, #00b894, #55efc4); }
.fill-warn { background: linear-gradient(90deg, #e17055, #fdcb6e); }
.fill-bad { background: linear-gradient(90deg, #b02e21, #e17055); }

.quota-bar-min {
    position: absolute;
    top: -4px;
    width: 2px;
    height: 12px;
    background: var(--text3);
    border-radius: 1px;
    transform: translateX(-50%);
}

.quota-legend {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text3);
    margin-bottom: 0.6rem;
}

.quota-hint {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text2);
    padding: 0.5rem 0.75rem;
    background: rgba(253, 203, 110, 0.07);
    border-left: 2px solid #fdcb6e;
    border-radius: 0 6px 6px 0;
}

.quota-hint a { color: var(--accent); }

.card-quota.quota-warn,
.card-quota-week.quota-warn {
    border-color: rgba(253, 203, 110, 0.2);
}

@media (max-width: 700px) {
    .card-quota-week,
    .card-quota,
    .card-trend,
    .card-exams,
    .card-progress,
    .card-mini-donut,
    .card-today-focus,
    .card-recent,
    .card-note-preview,
    .card-neglect,
    .card-achievements,
    .card-topics-progress,
    .card-month-comparison,
    .card-focus-score,
    .card-best-record { grid-column: 1; grid-row: auto; }
    .trend-bar-label { font-size: 0.6rem; }
}

/* === Best-record card (Task 1): all-time best day/week === */
.best-record-grid { display: flex; gap: 2rem; flex-wrap: wrap; }
.best-record-item { flex: 1 1 160px; }
.best-record-key { font-size: 0.7rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.3rem; }
.best-record-val { font-size: 1.5rem; font-weight: 300; font-family: var(--font-mono); color: var(--text); line-height: 1; }
.best-record-sub { font-size: 0.75rem; color: var(--text2); margin-top: 0.3rem; font-family: var(--font-mono); }
.best-record-new {
    display: inline-block;
    margin-top: 0.4rem;
    font-size: 0.7rem;
    font-weight: 500;
    color: #fdcb6e;
    padding: 0.15rem 0.5rem;
    border-radius: 20px;
    background: rgba(253, 203, 110, 0.12);
    border: 1px solid rgba(253, 203, 110, 0.25);
}

/* === Trend chart peak marker (Task 2): highlight the highest bar within the visible 8-week window === */
.trend-bar-fill.peak { background: linear-gradient(180deg, #fdcb6e, color-mix(in srgb, #fdcb6e 55%, transparent)); }
.trend-bar-label.peak { color: #fdcb6e; }

/* === Donut deep-link (Task 3) === */
.donut-chart-clickable, .donut-legend-row.clickable { cursor: pointer; transition: var(--transition); }
.donut-legend-row.clickable:hover { background: var(--bg3); border-radius: 4px; }
.donut-chart-clickable:hover { filter: brightness(1.08); }

/* === Today ring exceeded (Task 5): gold shift once the daily target is met/exceeded === */
.today-ring-exceeded .today-ring-hole { box-shadow: 0 0 0 1px rgba(253, 203, 110, 0.4) inset; }
.today-ring-exceeded .today-ring-val { color: #fdcb6e; }
.today-ring-badge { margin-left: 0.3rem; font-size: 0.8rem; vertical-align: middle; }