/* ============================================================
   ATTENDANCE TRACKER - CLEAN HARDWARE MATTE DARK
   Zero glow, zero edge-peeking strips, zero jumpy hovers.
   Clean, quiet, precise utility aesthetic.
   ============================================================ */

:root {
  --bg-page:        #111216;
  --bg-card:        #171920;
  --bg-card-hover:  #1D2028;
  --bg-subtle:      #21242E;
  --bg-input:       #131418;

  --ink:            #F0F1F5;
  --ink-dim:        #8E94A2;
  --ink-faint:      #565B67;

  --border:         #252833;
  --border-hover:   #343846;
  --border-focus:   #4F566B;

  --safe:           #4ADE80;
  --safe-bg:        rgba(74, 222, 128, 0.1);
  --safe-border:    rgba(74, 222, 128, 0.25);

  --danger:         #F87171;
  --danger-bg:      rgba(248, 113, 113, 0.1);
  --danger-border:  rgba(248, 113, 113, 0.25);

  --neutral-bg:     #21242E;
  --neutral-border: #2D323E;

  --radius-lg:      14px;
  --radius:         12px;
  --radius-sm:      8px;
  --radius-pill:    9999px;

  --max-w:          500px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--bg-page);
}

body {
  background-color: var(--bg-page);
  color: var(--ink);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  line-height: 1.5;
  overscroll-behavior-y: none;
}

body.modal-open {
  overflow: hidden;
}

button {
  font-family: inherit;
  color: inherit;
  border: none;
  background: transparent;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

input {
  font-family: inherit;
  color: inherit;
  font-size: 16px;
}

#app {
  max-width: var(--max-w);
  margin: 0 auto;
  min-height: 100vh;
  padding: 0 16px calc(90px + env(safe-area-inset-bottom, 0px));
}

.view { display: block; }
.view.hidden { display: none !important; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(16px + env(safe-area-inset-top, 0px)) 0 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.topbar h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.today-badge {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink-dim);
  margin-top: 1px;
}

.card-head-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.text-btn {
  min-height: 24px;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Reusable buttons */
.btn-sm {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 13px;
  min-height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--ink-dim);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-sm:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--ink);
}

.btn-sm.primary {
  background: var(--ink);
  color: var(--bg-page);
  font-weight: 700;
  border-color: var(--ink);
}

.btn-sm.primary:hover {
  background: #D8D9E0;
}

.btn-sm.danger {
  color: var(--danger);
  background: var(--danger-bg);
  border-color: var(--danger-border);
}

.btn-sm.danger:hover {
  background: rgba(248, 113, 113, 0.2);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 10px;
}

.card-head {
  font-family: 'Outfit', sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

/* Overall banner */
.overall-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.overall-card.hidden { display: none !important; }

.overall-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.overall-txt {
  font-size: 0.85rem;
  color: var(--ink-dim);
  line-height: 1.35;
}

/* Subject List */
.subject-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Subject Item Card - Zero side-peeking color, clean border */
.subject-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

/* Pure color changes on hover without jumping */
.subject-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.sub-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sub-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sub-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
}

/* Clean score pill */
.sub-score-pill {
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.sub-score-pill.safe {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid var(--safe-border);
}

.sub-score-pill.danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.sub-score-pill.neutral {
  background: var(--neutral-bg);
  color: var(--ink-dim);
  border: 1px solid var(--neutral-border);
}

/* Flat clean progress bar */
.sub-progress-wrap {
  position: relative;
  height: 5px;
  background: #20232B;
  border-radius: var(--radius-pill);
  overflow: visible;
  margin: 4px 0 2px;
}

.sub-progress-bar {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.3s ease;
}

.sub-progress-bar.safe {
  background: var(--safe);
}

.sub-progress-bar.danger {
  background: var(--danger);
}

.sub-progress-bar.neutral {
  background: var(--ink-faint);
}

.sub-target-marker {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 2px;
  background: var(--ink);
  opacity: 0.6;
  border-radius: 1px;
  transform: translateX(-50%);
  z-index: 2;
}

.sub-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--ink-dim);
}

.sub-target-label {
  color: var(--ink-faint);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 6px;
}
.empty-state.hidden { display: none !important; }

.empty-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.empty-txt {
  font-size: 0.85rem;
  color: var(--ink-dim);
  max-width: 320px;
  margin: 0 auto;
  line-height: 1.4;
}

/* Floating Action Button - Clean, matte, non-jumping */
.fab {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg-page);
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid var(--ink);
  z-index: 30;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: background 0.15s ease;
}

.fab:hover {
  background: #D8D9E0;
}

/* Detail Stat Card */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 20px;
}

.stat-pct {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.stat-fraction {
  font-size: 0.86rem;
  color: var(--ink-dim);
}

.target-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-dim);
  margin-top: 6px;
}

.target-row input {
  width: 54px;
  padding: 5px 4px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
  color: var(--ink);
  transition: border-color 0.15s;
}

.target-row input:focus {
  border-color: var(--border-focus);
  outline: none;
}

.status-msg {
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.status-msg.safe {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid var(--safe-border);
}

.status-msg.danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.status-msg.neutral {
  background: var(--neutral-bg);
  color: var(--ink-dim);
  border: 1px solid var(--neutral-border);
}

/* Log Controls */
.log-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#entry-date {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color-scheme: dark;
  color: var(--ink);
  font-weight: 500;
  transition: border-color 0.15s;
}

#entry-date:focus {
  border-color: var(--border-focus);
  outline: none;
}

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-action {
  padding: 12px 10px;
  border-radius: var(--radius-sm);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-action.present {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid var(--safe-border);
}

.btn-action.present:hover {
  background: rgba(74, 222, 128, 0.2);
}

.btn-action.absent {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.btn-action.absent:hover {
  background: rgba(248, 113, 113, 0.2);
}

/* Bunk advice */
.bunk-txt {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink);
}

/* History */
.log-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 260px;
  overflow-y: auto;
}

.log-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
}

.log-date {
  font-variant-numeric: tabular-nums;
}

.log-tag {
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.log-tag.present {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid var(--safe-border);
}

.log-tag.absent {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.btn-del {
  color: var(--ink-faint);
  font-size: 0.78rem;
  padding: 3px 6px;
  border-radius: 4px;
  transition: color 0.15s;
}

.btn-del:hover {
  color: var(--danger);
}

.faint-txt {
  color: var(--ink-faint);
  font-size: 0.84rem;
  text-align: center;
  padding: 10px 0;
}
.faint-txt.hidden { display: none !important; }

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  padding: 12px;
}
.modal.hidden { display: none !important; }

@media (min-width: 500px) {
  .modal { align-items: center; }
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  max-width: var(--max-w);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-box h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.modal-box label {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.modal-box input {
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition: border-color 0.15s;
}

.modal-box input:focus {
  border-color: var(--border-focus);
  outline: none;
}

.modal-btns {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}

.notice-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.notice-item:last-of-type {
  border-bottom: none;
}

.notice-item h3 {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
}

.notice-item p {
  font-size: 0.82rem;
  color: var(--ink-dim);
  line-height: 1.45;
}

/* Footer Link */
.footer-note {
  text-align: center;
  margin-top: 28px;
}

.footer-note a {
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.footer-note a:hover {
  color: var(--ink-dim);
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  color: var(--ink);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  z-index: 150;
  white-space: nowrap;
}

.toast.hidden { display: none !important; }