/*
 * HWC-BH Mobile - mobile-first stylesheet.
 *
 * Design principles:
 *  - Portrait phone first (320-430 px wide). No tab-hopping during SPT entry.
 *  - Large touch targets (>= 44 px) for field engineers wearing gloves.
 *  - High contrast for outdoor sunlight readability.
 *  - System font stack so the app feels native on Android + iOS.
 */

:root {
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-primary: #0b3a5b;
  --color-primary-ink: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-muted: #4a5260;
  --color-line: #d4d8de;
  --color-good: #1f7a3a;
  --color-warn: #b8650b;
  --color-bad: #b3261e;
  --tap: 48px;
  --pad: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  align-items: center;
  gap: var(--pad);
  padding: 8px 12px;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  position: sticky;
  top: 0;
  z-index: 10;
  padding-top: max(8px, env(safe-area-inset-top));
}

.app-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  flex: 1 1 auto;
  text-align: center;
}

.nav-toggle {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 24px;
  width: var(--tap);
  height: var(--tap);
  cursor: pointer;
}

.sync-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.sync-indicator .sync-label {
  font-size: 11px;
  opacity: 0.9;
}

.sync-indicator .sync-count:not([hidden]) {
  font-size: 11px;
  opacity: 0.9;
  padding-left: 4px;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot-offline { background: var(--color-warn); }
.dot-online  { background: var(--color-good); }
.dot-syncing { background: #ffd966; }

.app-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.18s ease-out;
}

.app-nav[aria-hidden="false"] {
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.app-nav a {
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
  min-height: var(--tap);
  display: flex;
  align-items: center;
}

.app-nav a:active {
  background: #e9ecf2;
}
.app-nav a.active,
.app-nav a[aria-current="page"] {
  background: #e9ecf2;
  border-left: 4px solid var(--color-primary);
  font-weight: 600;
  padding-left: calc(var(--pad) - 4px);
}

.app-main {
  flex: 1 1 auto;
  padding: var(--pad);
  padding-bottom: max(var(--pad), env(safe-area-inset-bottom));
}

.app-footer {
  padding: 8px var(--pad);
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-muted);
  text-align: center;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
}

.loading {
  text-align: center;
  padding: 32px;
  color: var(--color-ink-muted);
}

.page {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: var(--pad);
  margin-bottom: var(--pad);
}

.page h2 {
  margin: 0 0 8px 0;
  font-size: 18px;
}

.page .placeholder {
  color: var(--color-ink-muted);
  font-style: italic;
  font-size: 14px;
}

button.primary {
  display: block;
  width: 100%;
  min-height: var(--tap);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  margin: 8px 0;
}

button.primary:disabled {
  opacity: 0.5;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  min-height: var(--tap);
  font-size: 16px; /* >=16 px to suppress iOS auto-zoom */
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-ink);
}

label {
  display: block;
  font-size: 14px;
  color: var(--color-ink-muted);
  margin: 8px 0 4px 0;
}

/* ------------------------------------------------------------- *
 * keypad + SPT form (bat 03)
 * ------------------------------------------------------------- */
.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 12px 0;
}
.kp-key {
  min-height: 56px;
  font-size: 22px;
  font-weight: 600;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  color: var(--color-ink);
  cursor: pointer;
  touch-action: manipulation;
}
.kp-key:active {
  background: #e9ecf2;
}
.kp-empty {
  visibility: hidden;
}
.kp-back {
  font-size: 24px;
}
input.kp-target.kp-focused {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
input.num-field {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.row.toggles {
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 8px 0;
}
label.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-ink);
  font-size: 14px;
}
fieldset {
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 8px 0;
}
legend {
  font-weight: 600;
  font-size: 14px;
  padding: 0 6px;
  color: var(--color-ink-muted);
}
p.nval {
  margin: 8px 0;
  font-size: 18px;
}
ul.cc {
  list-style: none;
  padding: 0;
  margin: 6px 0;
  font-size: 14px;
  color: var(--color-ink-muted);
}
ul.cc li {
  padding: 2px 0;
}
ul.cc li strong {
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}
p.provenance {
  font-size: 12px;
  color: var(--color-ink-muted);
  margin: 4px 0 6px 0;
}
p.err {
  color: var(--color-bad);
  font-size: 14px;
  margin: 8px 0;
}
button.secondary {
  display: block;
  width: 100%;
  min-height: var(--tap);
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font-size: 14px;
  margin: 4px 0;
}

/* ------------------------------------------------------------- *
 * photo pipeline (bat 04)
 * ------------------------------------------------------------- */
.photo-input { margin: 8px 0; }
.photo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 6px;
}
.photo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.photo-btn.primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border: none;
}
.photo-btn.secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-line);
}
.photo-preview {
  margin-top: 8px;
  padding: 8px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-bg);
}
.photo-preview img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}
.photo-preview .photo-meta {
  margin: 6px 0 0 0;
  font-size: 13px;
  color: var(--color-ink-muted);
}
.photo-status {
  margin: 4px 0;
  font-size: 13px;
}
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}
.thumb-card {
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 4px;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
}
.thumb-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 4px;
}
.thumb-cap {
  font-size: 12px;
  color: var(--color-ink);
  margin-top: 4px;
}
.thumb-sz {
  font-size: 11px;
  color: var(--color-ink-muted);
}

/* ------------------------------------------------------------- *
 * rock-core run entry (bat 05)
 * ------------------------------------------------------------- */
ul.piece-list {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-bg);
}
ul.piece-list:empty::after {
  content: "No pieces yet. Use the keypad + Add piece to enter each recovered piece's length.";
  display: block;
  padding: 8px;
  font-size: 13px;
  color: var(--color-ink-muted);
  font-style: italic;
}
ul.piece-list li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 6px 8px;
  border-bottom: 1px solid var(--color-line);
}
ul.piece-list li:last-child {
  border-bottom: none;
}
ul.piece-list li span {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-ink);
}
ul.piece-list li button.secondary {
  min-height: 32px;
  font-size: 12px;
  padding: 0 8px;
  width: auto;
}

/* ------------------------------------------------------------- *
 * RQD photo overlay (bat 06)
 * ------------------------------------------------------------- */
.rqd-overlay { margin: 8px 0; }
.rqd-overlay .ov-canvas-wrap {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 4px;
  overflow: auto;
}
.rqd-overlay canvas.ov-canvas {
  display: block;
  max-width: 100%;
  touch-action: none;
  cursor: crosshair;
}
.rqd-overlay .ov-hint {
  margin: 6px 4px 0 4px;
  font-size: 12px;
}
.rqd-overlay .ov-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}
.rqd-overlay ul.ov-piece-list {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-bg);
}
.rqd-overlay ul.ov-piece-list:empty::after {
  content: "Tap on the photo to add dividers; each segment becomes a piece.";
  display: block;
  padding: 8px;
  font-size: 12px;
  color: var(--color-ink-muted);
  font-style: italic;
}
.rqd-overlay ul.ov-piece-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 6px 8px;
  border-bottom: 1px solid var(--color-line);
}
.rqd-overlay ul.ov-piece-list li:last-child { border-bottom: none; }

/* ------------------------------------------------------------- *
 * drilling log timeline (bat 07)
 * ------------------------------------------------------------- */
ul.timeline {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-bg);
}
ul.timeline li.tl-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "head    actions"
    "body    actions";
  gap: 4px 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-line);
}
ul.timeline li.tl-row:last-child { border-bottom: none; }
ul.timeline .tl-head {
  grid-area: head;
  font-weight: 600;
  font-size: 14px;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}
ul.timeline .tl-body {
  grid-area: body;
  font-size: 13px;
  color: var(--color-ink-muted);
  word-break: break-word;
}
ul.timeline .tl-actions {
  grid-area: actions;
  align-self: start;
}
ul.timeline .tl-actions button.secondary {
  width: auto;
  min-height: 32px;
  font-size: 12px;
  padding: 0 8px;
}
ul.timeline li.placeholder {
  padding: 10px;
  font-style: italic;
  color: var(--color-ink-muted);
}

/* ------------------------------------------------------------- *
 * SW update banner (bat 12)
 * ------------------------------------------------------------- */
.update-banner[hidden] { display: none !important; }
.update-banner {
  background: #fff3d4;
  border-bottom: 1px solid #f0d99b;
  color: var(--color-ink);
  padding: 8px 12px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.update-banner button {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

/* ------------------------------------------------------------- *
 * details.advanced (collapsible group) + small.placeholder (bat 14)
 * ------------------------------------------------------------- */
details.advanced {
  margin: 8px 0;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-surface);
}
details.advanced summary {
  padding: 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-ink-muted);
  font-weight: 600;
  min-height: var(--tap);
  display: flex;
  align-items: center;
}
details.advanced[open] summary {
  border-bottom: 1px solid var(--color-line);
}
details.advanced > *:not(summary) {
  margin-left: var(--pad);
  margin-right: var(--pad);
}
details.advanced > *:last-child {
  margin-bottom: var(--pad);
}

small.placeholder {
  display: block;
  font-size: 12px;
  color: var(--color-ink-muted);
  margin: 4px 0 8px 0;
  text-align: center;
}

button.primary:disabled,
button.secondary:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

/* Bat 22: transport-mode badge */
.transport-badge {
  display: inline-block;
  padding: 2px 6px;
  margin: 0 4px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 0.5px;
  line-height: 1.2;
  vertical-align: middle;
}
.transport-badge-fake {
  background: var(--color-bg-alt, #2a3a4a);
  color: var(--color-ink-muted, #aab8c5);
  border: 1px solid var(--color-line, #3a4a5a);
}
.transport-badge-http {
  background: #3a7d3a;
  color: #fff;
  border: 1px solid #2a5d2a;
}

/* ===== Bat 35: SPT increment rows + Bat 36: notifications ================ */

/* SPT drive row: label + blows + pen + per-increment refusal */
.spt-inc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-line);
}
.spt-inc .spt-inc-lbl {
  flex: 1 0 100%;
  font-weight: 600;
  color: var(--color-ink);
}
.spt-inc .spt-inc-lbl em { font-weight: 400; color: var(--color-ink-muted); }
.spt-inc label { font-size: 0.85rem; color: var(--color-ink-muted); }
.spt-inc input[type="number"] { width: 5.5rem; }
.spt-inc .inc-ref { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; }
.hint { font-size: 0.85rem; color: var(--color-ink-muted); }
.nval { font-size: 1.05rem; }

/* Settings: radio/checkbox rows + project picker */
.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--tap);
  padding: 4px 0;
}
.notif-project-list {
  margin: 6px 0 4px;
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-bg);
}

/* Nav unread badge */
.notif-badge {
  display: inline-block;
  min-width: 18px;
  padding: 0 6px;
  margin-left: 6px;
  border-radius: 10px;
  background: var(--color-bad);
  color: #fff;
  font-size: 0.75rem;
  line-height: 18px;
  text-align: center;
}

/* WhatsApp-style top toast */
.notif-toast-host {
  position: fixed;
  top: 8px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 8px;
  pointer-events: none;
}
.notif-toast {
  pointer-events: auto;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-primary);
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  padding: 10px 12px;
  font-size: 0.92rem;
  animation: notif-slide-in 180ms ease-out;
  cursor: pointer;
}
.notif-toast .nt-title { display: block; font-weight: 600; }
.notif-toast .nt-body { color: var(--color-ink-muted); }
@keyframes notif-slide-in { from { transform: translateY(-12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Notifications tab: per-project groups */
.notif-group {
  margin: 14px 0 4px;
  font-size: 0.95rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-line);
  padding-bottom: 2px;
}
.notif-list { list-style: none; margin: 0; padding: 0; }
.notif-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--color-line);
  cursor: pointer;
}
.notif-row.unread { background: #eef4fb; border-left: 3px solid var(--color-primary); }
.notif-row .notif-title { font-weight: 600; }
.notif-row .notif-body { color: var(--color-ink-muted); font-size: 0.9rem; }
.notif-row .notif-meta { color: var(--color-ink-muted); font-size: 0.78rem; }