/* ── Black / White theme with dark & light mode ───────────────────────── */

:root,
[data-theme="dark"] {
  --bg: #000000;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --border: #333333;
  --border-strong: #555555;
  --text: #ffffff;
  --text-muted: #999999;
  --primary: #ffffff;
  --primary-text: #000000;
  --ok: #ffffff;
  --worn: #cccccc;
  --critical: #ffffff;
  --radius: 12px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f5f5f5;
  --surface-2: #eeeeee;
  --border: #dddddd;
  --border-strong: #bbbbbb;
  --text: #000000;
  --text-muted: #666666;
  --primary: #000000;
  --primary-text: #ffffff;
  --ok: #000000;
  --worn: #444444;
  --critical: #000000;
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
  transition: background 0.2s, color 0.2s;
}

#app {
  min-height: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.view {
  display: none;
  min-height: 100vh;
  padding-bottom: calc(90px + var(--safe-bottom));
  animation: fadeIn 0.2s ease;
}
.view.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Login ─────────────────────────────────────────── */
#view-login {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 100vh;
}
#view-login.active { display: flex; }

.login-card {
  width: 100%;
  background: var(--surface);
  border-radius: 16px;
  padding: 32px 24px;
  border: 1px solid var(--border);
}

.logo { text-align: center; margin-bottom: 28px; }
.logo-mark {
  width: 52px; height: 52px;
  background: var(--text);
  color: var(--bg);
  border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 700; font-size: 26px;
  margin: 0 auto 12px;
}
.logo h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.tagline { color: var(--text-muted); font-size: 0.85rem; margin-top: 4px; }

label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
input[type="text"], input[type="email"], select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--text);
}
.hint { font-size: 0.75rem; color: var(--text-muted); margin: 8px 0 20px; }

/* ── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 18px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, border-color 0.15s;
  text-decoration: none;
  color: inherit;
}
.btn:active { transform: scale(0.97); }
.btn.primary {
  background: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}
.btn.primary:disabled { opacity: 0.35; pointer-events: none; }
.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn.ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn.full { width: 100%; }
.btn.small { padding: 8px 14px; font-size: 0.85rem; }
.btn.icon { width: 40px; height: 40px; padding: 0; font-size: 1.15rem; }

.topbar-actions { display: flex; gap: 4px; }

/* ── Topbar ────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 12px;
  background: var(--bg);
}
.topbar.sticky {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
}
.topbar h2 { font-size: 1.15rem; font-weight: 600; }
.sub { font-size: 0.8rem; color: var(--text-muted); }
.flex-1 { flex: 1; min-width: 0; }

/* ── Schedule bar ──────────────────────────────────── */
.schedule-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 12px;
  gap: 12px;
}
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
#schedule-filter {
  flex: 1;
  max-width: 160px;
  padding: 8px 10px;
  font-size: 0.85rem;
}

/* ── Route list ────────────────────────────────────── */
.route-list { padding: 0 16px 24px; display: flex; flex-direction: column; gap: 10px; }

.route-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.route-card:active { border-color: var(--text); }
.route-card h3 { font-size: 1.05rem; margin-bottom: 4px; font-weight: 600; }
.route-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.route-meta span {
  background: var(--bg);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.sched-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 3px;
  text-transform: uppercase;
  border: 1px solid var(--border-strong);
  color: var(--text);
}

/* ── Progress ──────────────────────────────────────── */
.progress-track {
  height: 3px;
  background: var(--surface);
  margin: 0 16px 8px;
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--text);
  width: 0%;
  transition: width 0.3s ease;
}

/* ── Machine steps ─────────────────────────────────── */
.machine-steps { padding: 8px 16px 24px; display: flex; flex-direction: column; gap: 8px; }

.machine-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
}
.machine-card.done { border-color: var(--border-strong); }
.machine-card.critical { border-color: var(--text); border-width: 2px; }
.machine-card.worn { border-style: dashed; }

.machine-status {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.machine-card.done .machine-status { background: var(--text); color: var(--bg); border-color: var(--text); }
.machine-card.worn .machine-status { border-color: var(--text-muted); color: var(--text); }
.machine-card.critical .machine-status { background: var(--text); color: var(--bg); }

.machine-info h3 { font-size: 0.95rem; font-weight: 600; }
.machine-info p { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* ── Check items ───────────────────────────────────── */
.check-items { padding: 12px 16px 100px; display: flex; flex-direction: column; gap: 14px; }

.check-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.check-item h4 { font-size: 0.95rem; margin-bottom: 12px; font-weight: 600; }

.status-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.status-btn {
  padding: 10px 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}
.status-btn.ok.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}
.status-btn.worn.active {
  background: transparent;
  border-color: var(--text);
  border-style: dashed;
  color: var(--text);
}
.status-btn.critical.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
  font-weight: 700;
}

.note-area {
  margin-top: 8px;
  display: none;
}
.note-area.visible { display: block; }
.note-area textarea {
  min-height: 70px;
  resize: vertical;
  margin-bottom: 10px;
}
.photo-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.photo-thumb {
  width: 56px; height: 56px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--bg);
  border: 1px solid var(--border);
}
.photo-thumb.empty {
  display: grid; place-items: center;
  color: var(--text-muted);
  font-size: 0.7rem;
}
.flag-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 0.85rem;
  font-weight: 600;
}
.flag-row input { width: 18px; height: 18px; accent-color: var(--text); }

/* ── Bottom bar ────────────────────────────────────── */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  padding: 12px 16px calc(12px + var(--safe-bottom));
  background: var(--bg);
  border-top: 1px solid var(--border);
  z-index: 30;
}
.bottom-bar.stacked { display: flex; flex-direction: column; gap: 8px; }

/* ── Summary ───────────────────────────────────────── */
.summary-card {
  margin: 16px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
}
.summary-card h3 { margin-bottom: 14px; font-weight: 600; }
.summary-stat {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.summary-stat:last-child { border-bottom: none; }
.stat-ok, .stat-worn, .stat-critical { font-weight: 600; }

/* ── Modal ─────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  padding: 0;
}
[data-theme="light"] .modal { background: rgba(0,0,0,0.45); }
.modal.hidden { display: none; }
.modal-content {
  background: var(--surface);
  border-radius: 16px 16px 0 0;
  width: 100%;
  max-width: 480px;
  padding: 24px 20px calc(20px + var(--safe-bottom));
  border-top: 1px solid var(--border);
}
.modal-content h3 { margin-bottom: 16px; }
.photo-preview {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg);
  border-radius: 10px;
  display: grid;
  place-items: center;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}
.photo-preview img {
  width: 100%; height: 100%; object-fit: cover;
}
.photo-preview .placeholder { color: var(--text-muted); font-size: 0.9rem; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; }
.hidden { display: none !important; }

@media (min-width: 481px) {
  #app { border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
}