/* ==========================================================================
   CODEORBIT — HOME PAGE + SHARED STAT STRIP + SCORE CARD
   Home answers one question: how is my week going, and what is next?
   Everything else lives on its own page (docs/DECISIONS.md, D-020).
   ========================================================================== */

/* ---------- Home: first visit (nothing saved yet) ---------- */
.home-empty {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-xl);
  align-items: center;
  min-height: calc(100vh - var(--topbar-height) - 12rem);
}

.home-empty[hidden],
.home-main[hidden] {
  display: none;
}

.home-empty-visual {
  grid-column: span 5;
  display: flex;
  justify-content: center;
}

.home-empty-copy {
  grid-column: 7 / span 6;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.home-empty-title {
  font-weight: 900;
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.home-empty-text {
  max-width: 480px;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--text-secondary);
}

.home-steps {
  list-style: none;
  border-top: 1px solid var(--border);
  max-width: 480px;
}

.home-steps li {
  display: flex;
  gap: var(--space-md);
  align-items: baseline;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.home-steps li:first-child {
  color: var(--text-primary);
}

.home-steps .step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.home-steps li:first-child .step-num,
.label-accent {
  color: var(--accent-text);
}

.home-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

/* ---------- Home: main view ---------- */
.home-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl) 0 var(--space-2xl);
}

.home-hero-text {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.home-greeting {
  font-weight: 900;
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.home-name {
  color: var(--accent-text);
}

.home-week {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 440px;
}

.home-week-label {
  font-size: var(--text-base);
  font-weight: 600;
}

.home-week-figure {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.home-week-hours {
  font-weight: 900;
  font-size: clamp(5rem, 9vw, 7rem);
  line-height: 0.85;
  letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
}

.home-week-target {
  font-weight: 600;
  font-size: var(--text-xl);
  color: var(--text-muted);
}

.home-week-bar {
  height: 2px;
  background: var(--border);
}

.home-week-bar-fill {
  height: 2px;
  width: 0;
  background: var(--primary);
  transition: width 0.8s var(--ease-swiss);
}

.home-week-note {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

#home-quick-add {
  max-width: 100%;
}

.btn-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home-quick-done {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: calc(-1 * var(--space-md));
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.home-quick-done[hidden] {
  display: none;
}

#home-week-streak.is-at-risk {
  color: var(--accent-text);
  font-weight: 600;
}

.home-orbit-figure {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.home-orbit-caption {
  max-width: 380px;
  text-align: center;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-muted);
}

/* Lower band: week bars + coming up */
.home-lower {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-lg) var(--space-2xl);
  border-top: 1px solid var(--border-light);
  padding-top: var(--space-2xl);
}

.home-days {
  grid-column: span 7;
}

.home-next {
  grid-column: span 5;
}

.home-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.home-more {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
}

.home-more:hover {
  color: var(--text-primary);
}

.home-days-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-md);
  align-items: end;
  height: 160px;
}

.day-col {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.day-val {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.day-bar {
  width: 100%;
  max-width: 40px;
  min-height: 2px;
  border-radius: 4px 4px 0 0;
  background: var(--border-strong);
  transition: height 0.6s var(--ease-swiss);
}

.day-bar.is-empty {
  background: var(--border);
}

.day-name {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.day-col.is-today .day-bar {
  background: var(--primary);
}

.day-col.is-today .day-val {
  color: var(--accent-text);
}

.day-col.is-today .day-name {
  color: var(--text-primary);
}

.home-next-list {
  border-top: 1px solid var(--border-light);
}

.next-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 18px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.next-row:hover {
  background: var(--bg-card-elevated);
  color: var(--text-primary);
}

button.next-row {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--border-light);
  font: inherit;
  cursor: pointer;
}

button.next-row .next-title {
  color: var(--accent-text);
}

.next-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.next-kind {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.next-title {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.next-meta {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.next-arrow {
  color: var(--text-muted);
  transition:
    transform var(--transition-fast),
    color var(--transition-fast);
}

.next-row:hover .next-arrow {
  transform: translateX(4px);
  color: var(--accent-text);
}

/* Week in review (pop-up) */
.recap-figure {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin: var(--space-xs) 0;
}

.recap-hours {
  font-weight: 900;
  font-size: 4.5rem;
  line-height: 0.9;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}

.recap-unit {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-muted);
}

.recap-compare {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.recap-facts {
  border-top: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.recap-facts > div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
}

.recap-facts dt {
  color: var(--text-secondary);
}

.recap-facts dd {
  font-weight: 600;
  text-align: right;
}

/* Backup reminder (bottom of Home) */
.home-backup {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-secondary);
}

.home-backup[hidden] {
  display: none;
}

.home-backup strong {
  color: var(--text-primary);
}

.home-backup p {
  flex: 1 1 360px;
}

.home-backup-actions {
  display: flex;
  gap: var(--space-xs);
}

/* ==========================================================================
   STAT STRIP (used on Study sessions, Projects, Goals, Progress)
   Swiss: numbers are the hero, hairlines instead of boxes.
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-xl);
}

.kpi-card {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: var(--space-xs);
  padding: var(--space-lg) var(--space-lg) var(--space-lg) 0;
  min-width: 0;
}

.kpi-card + .kpi-card {
  padding-left: var(--space-lg);
  border-left: 1px solid var(--border);
}

.kpi-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.kpi-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.kpi-main-val {
  font-weight: 900;
  font-size: clamp(2.25rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* Small icon box used in the study-session list */
.log-type-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  border: 1px solid var(--border-strong);
  flex-shrink: 0;
}

/* ==========================================================================
   PROGRESS SCORE CARD (on the Progress page)
   ========================================================================== */
.score-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border);
}

.score-figure {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.score-number {
  font-weight: 900;
  font-size: clamp(5rem, 10vw, 8rem);
  line-height: 0.85;
  letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
}

.score-scale {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-muted);
}

.score-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.score-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.score-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.score-desc {
  max-width: 620px;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}

.score-factors {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.factor-pill {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 12px;
}

.factor-pill span {
  font-weight: 700;
  color: var(--text-primary);
}

.badges-link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border);
}

.badges-link-row strong {
  font-size: var(--text-lg);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  .home-hero,
  .home-lower,
  .home-empty {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-hero-text,
  .home-orbit-figure,
  .home-days,
  .home-next,
  .home-empty-visual,
  .home-empty-copy {
    grid-column: 1 / -1;
  }

  .home-hero {
    padding-top: var(--space-md);
  }

  .home-empty-visual {
    order: -1;
  }

  .score-card {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 600px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-card,
  .kpi-card + .kpi-card {
    padding: var(--space-md) var(--space-sm);
    border-left: none;
  }

  .kpi-card:nth-child(even) {
    border-left: 1px solid var(--border);
  }

  .home-days-grid {
    gap: var(--space-xs);
  }

  .day-val {
    font-size: 0.625rem;
  }
}