/* =========================================================
   Bug Triage Calculator – Stylesheet
   ========================================================= */

/* ── Reset & base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg:          #f7f8fc;
  --color-surface:     #ffffff;
  --color-border:      #e2e8f0;
  --color-primary:     #4f46e5;
  --color-primary-dk:  #3730a3;
  --color-text:        #1a202c;
  --color-muted:       #718096;
  --color-danger:      #e53e3e;
  --color-warning:     #dd6b20;
  --color-caution:     #d69e2e;
  --color-success:     #38a169;
  --radius:            8px;
  --shadow:            0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:         0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --transition:        150ms ease;
  --font:              'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 15px;
}

/* ── Layout ──────────────────────────────────────────────── */
.app-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 64px;
}

/* ── Header ──────────────────────────────────────────────── */
.app-header {
  background: var(--color-primary);
  color: #fff;
  padding: 28px 32px;
  margin-bottom: 32px;
}

.app-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.app-header__icon {
  font-size: 2rem;
  line-height: 1;
}

.app-header__text { flex: 1; min-width: 0; }

.app-header__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.5px;
}

.app-header__subtitle {
  font-size: .85rem;
  opacity: .85;
  margin-top: 2px;
}

.app-header__link {
  color: rgba(255,255,255,.85);
  font-size: .8rem;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.4);
  padding: 4px 12px;
  border-radius: 20px;
  transition: background var(--transition);
}
.app-header__link:hover { background: rgba(255,255,255,.15); }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card__title .icon { font-size: 1.1em; }

/* ── Form ────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .9rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--color-surface);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

.form-textarea { resize: vertical; min-height: 60px; }

/* ── Factor grid ─────────────────────────────────────────── */
.factors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.factor-block { position: relative; }

.factor-block__label {
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 4px;
}

.factor-block__desc {
  font-size: .78rem;
  color: var(--color-muted);
  margin-bottom: 10px;
}

.factor-options { display: flex; flex-direction: column; gap: 6px; }

.factor-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.factor-option:hover { border-color: var(--color-primary); background: #f5f3ff; }

.factor-option input[type="radio"] { margin-top: 3px; flex-shrink: 0; accent-color: var(--color-primary); }

.factor-option__text { flex: 1; min-width: 0; }

.factor-option__name {
  font-size: .85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.factor-option__badge {
  font-size: .7rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  padding: 1px 6px;
  font-weight: 700;
}

.factor-option__desc {
  font-size: .78rem;
  color: var(--color-muted);
  margin-top: 2px;
}

.factor-option__meme {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin-top: 8px;
}

.factor-option.is-selected {
  border-color: var(--color-primary);
  background: #eef2ff;
}

/* ── Cat mode banner ─────────────────────────────────────── */
.catmode-banner {
  grid-column: 1 / -1;
  background: #fef3c7;
  border: 1px solid #f6d860;
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: .85rem;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 4px;
}

/* ── Pain preview ────────────────────────────────────────── */
.pain-preview {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: #f8faff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-top: 20px;
}

.pain-score {
  text-align: center;
  min-width: 100px;
}

.pain-score__value {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
  transition: color var(--transition);
}

.pain-score__label { font-size: .75rem; color: var(--color-muted); margin-top: 4px; }

.pain-bar-wrap { flex: 1; min-width: 160px; }

.pain-bar-label { font-size: .78rem; color: var(--color-muted); margin-bottom: 6px; }

.pain-bar {
  height: 14px;
  background: var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.pain-bar__fill {
  height: 100%;
  width: 0%;
  border-radius: 8px;
  background: var(--color-primary);
  transition: width .4s ease, background-color .4s ease;
}

.pain-formula {
  font-size: .78rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.pain-formula code {
  font-family: 'Courier New', monospace;
  font-size: .8rem;
  background: #e9ecf5;
  padding: 1px 5px;
  border-radius: 4px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: var(--font);
  font-size: .875rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn--primary:hover { background: var(--color-primary-dk); box-shadow: var(--shadow-md); }

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
.btn--secondary:hover { background: var(--color-bg); }

.btn--danger {
  background: #fff5f5;
  color: var(--color-danger);
  border: 1px solid #fed7d7;
}
.btn--danger:hover { background: #fed7d7; }

.btn--sm { padding: 4px 10px; font-size: .8rem; }

.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* ── Pain list ───────────────────────────────────────────── */
.list-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.list-controls label {
  font-size: .8rem;
  color: var(--color-muted);
  font-weight: 600;
}

.threshold-input {
  width: 70px;
  padding: 5px 8px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: .85rem;
}

.threshold-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.data-actions { margin-left: auto; display: flex; gap: 8px; }

.bug-table-wrap { overflow-x: auto; }

.bug-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

.bug-table th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 2px solid var(--color-border);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-muted);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.bug-table th:hover { color: var(--color-text); }
.bug-table th .sort-icon { opacity: .4; margin-left: 4px; }
.bug-table th.sorted .sort-icon { opacity: 1; }

.bug-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.bug-table tr:last-child td { border-bottom: none; }

.bug-table tr:hover td { background: #fafbff; }

.bug-row--above-threshold td:first-child { border-left: 3px solid var(--color-danger); }

.bug-notes { color: var(--color-muted); font-size: .8rem; }
.factor-val-muted { color: var(--color-muted); font-size: .75rem; }
.actions-cell { white-space: nowrap; }

/* inline pain bar in table */
.table-pain {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 120px;
}

.table-pain__bar {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.table-pain__fill {
  height: 100%;
  border-radius: 4px;
  background: var(--color-primary);
}

.table-pain__value {
  font-weight: 700;
  min-width: 38px;
  text-align: right;
  font-size: .82rem;
}

.pain-chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: .75rem;
  font-weight: 700;
}

/* threshold divider row */
.threshold-row td {
  padding: 4px 12px;
  background: #fff8f8;
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-danger);
  border-bottom: 2px dashed #fed7d7;
}

/* empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-muted);
}

.empty-state__icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state__text { font-size: .9rem; }

/* ── Edit mode in table ───────────────────────────────────── */
.editing-indicator {
  display: inline-block;
  padding: 2px 8px;
  background: #fffbeb;
  border: 1px solid #f6e05e;
  color: #744210;
  border-radius: 10px;
  font-size: .7rem;
  font-weight: 600;
  margin-left: 8px;
}

/* ── Toast notification ──────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #1a202c;
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: .85rem;
  box-shadow: var(--shadow-md);
  animation: toastIn .2s ease, toastOut .3s ease 2.7s forwards;
  pointer-events: auto;
}

@keyframes toastIn  { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(8px); } }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .app-header { padding: 20px 16px; }
  .card { padding: 16px; }
  .factors-grid { grid-template-columns: 1fr; }
  .pain-preview { flex-direction: column; align-items: flex-start; }
  .data-actions { margin-left: 0; }
}