/* songyang-report — Design System (Dark Theme, consistent with BOQ/Docs) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1117; --surface: #161b22; --surface2: #21262d; --surface3: #2d333b;
  --border: #30363d; --accent: #58a6ff; --accent2: #79c0ff;
  --orange: #f0883e; --green: #3fb950; --teal: #39d0c8; --purple: #a371f7; --red: #f85149;
  --text: #e6edf3; --text2: #8b949e; --text3: #6e7681;
  --radius: 14px; --radius-sm: 10px;
}

html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }

body {
  font-family: 'Sarabun', sans-serif; background: var(--bg); color: var(--text);
  min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column;
  align-items: center; padding: 0; line-height: 1.5;
  overscroll-behavior: contain;
}

/* Password Gate */
.gate-overlay { position: fixed; inset: 0; background: var(--bg); z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 20px; }
.gate-overlay.hidden { display: none; }
.gate-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 48px 36px; max-width: 420px; width: 100%; text-align: center; animation: fadeIn 0.5s ease; }
.gate-logo { font-size: 4rem; margin-bottom: 16px; filter: drop-shadow(0 0 24px rgba(88,166,255,0.5)); animation: float 3s ease-in-out infinite; }
.gate-card h1 { font-size: 1.8rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 8px; }
.gate-card p { color: var(--text2); font-size: 0.95rem; margin-bottom: 28px; }
.gate-input { width: 100%; background: var(--surface2); border: 1.5px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: 'Sarabun', sans-serif; font-size: 1.1rem; font-weight: 600; padding: 14px 18px; outline: none; text-align: center; letter-spacing: 4px; transition: border-color 0.2s, box-shadow 0.2s; margin-bottom: 18px; }
.gate-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(88,166,255,0.15); }
.gate-input.error { border-color: var(--red); animation: shake 0.4s ease; }
.gate-btn { width: 100%; padding: 14px; border: none; border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; font-family: 'Sarabun', sans-serif; font-size: 1.05rem; font-weight: 800; cursor: pointer; box-shadow: 0 4px 18px rgba(88,166,255,0.35); transition: all 0.25s; }
.gate-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.gate-error { color: var(--red); font-size: 0.85rem; font-weight: 600; margin-top: 12px; min-height: 1.2em; }

/* Main App */
.app-container { display: none; width: 100%; max-width: 720px; padding: 24px 16px 60px; flex-direction: column; align-items: center; }
.app-container.visible { display: flex; animation: fadeIn 0.5s ease; }

/* Header */
header { text-align: center; margin-bottom: 20px; margin-top: 8px; width: 100%; }
.back-link { display: inline-block; color: var(--text2); font-size: 0.85rem; font-weight: 600; text-decoration: none; margin-bottom: 12px; padding: 6px 14px; border-radius: 8px; background: var(--surface2); border: 1px solid var(--border); transition: all 0.25s; }
.back-link:hover { color: var(--accent); border-color: var(--accent); }
header h1 { font-size: 1.8rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1.5; }
header .subtitle { color: var(--text2); font-size: 0.95rem; margin-top: 4px; }

/* Tabs */
.tabs { display: flex; gap: 6px; width: 100%; margin-bottom: 16px; padding: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.tab { flex: 1; padding: 10px 8px; border: none; border-radius: 10px; background: transparent; color: var(--text2); font-family: 'Sarabun', sans-serif; font-size: 0.88rem; font-weight: 700; cursor: pointer; transition: all 0.25s; display: flex; align-items: center; justify-content: center; gap: 4px; }
.tab.active { background: var(--surface2); color: var(--accent); box-shadow: 0 2px 8px rgba(88,166,255,0.15); }
.tab:hover:not(.active) { color: var(--text); }

.badge { background: var(--red); color: #fff; font-size: 0.7rem; font-weight: 800; padding: 2px 7px; border-radius: 999px; min-width: 18px; text-align: center; }
.badge.hidden { display: none; }

/* Tab Content */
.tab-content { display: none; width: 100%; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }

/* Card */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; width: 100%; margin-bottom: 16px; animation: fadeIn 0.3s ease; }
.card h2 { font-size: 1.05rem; font-weight: 700; margin-bottom: 18px; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.card h2 span { font-size: 1.2em; }

/* Form Fields */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; color: var(--text2); margin-bottom: 6px; font-weight: 600; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-family: 'Sarabun', sans-serif;
  font-size: 1rem; font-weight: 600; padding: 13px 14px; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s; appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.field textarea { resize: vertical; min-height: 100px; line-height: 1.8; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(88,166,255,0.15); }
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Photo Capture */
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.photo-box { position: relative; }
.photo-input { position: absolute; opacity: 0; pointer-events: none; width: 0; height: 0; }
.photo-label { cursor: pointer; display: block; }
.photo-placeholder {
  aspect-ratio: 4/3; background: var(--surface2); border: 2px dashed var(--border);
  border-radius: 12px; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 6px; transition: all 0.25s; overflow: hidden;
  position: relative;
}
.photo-placeholder:hover { border-color: var(--accent); background: rgba(88,166,255,0.05); }
.photo-placeholder.has-photo { border-style: solid; border-color: var(--green); }
.photo-placeholder img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.photo-icon { font-size: 2rem; }
.photo-placeholder span { font-size: 0.82rem; color: var(--text2); font-weight: 600; }
.photo-hint { font-size: 0.72rem !important; color: var(--text3) !important; }
.geo-info { font-size: 0.72rem; color: var(--text3); margin-top: 6px; text-align: center; min-height: 1.2em; }

/* Progress Input */
.progress-input-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.progress-input-wrap input[type="range"] {
  flex: 1; -webkit-appearance: none; appearance: none; height: 8px;
  background: var(--surface3); border-radius: 4px; outline: none;
}
.progress-input-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); cursor: pointer; box-shadow: 0 2px 8px rgba(88,166,255,0.4);
}
.progress-value { font-size: 1.2rem; font-weight: 800; color: var(--accent); min-width: 48px; text-align: right; }
.progress-bar-container { height: 8px; background: var(--surface3); border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--green)); border-radius: 4px; transition: width 0.3s ease; }

/* Buttons */
.btn-primary { width: 100%; padding: 16px; border: none; border-radius: var(--radius); background: linear-gradient(135deg, var(--green), #2ea043); color: #fff; font-family: 'Sarabun', sans-serif; font-size: 1.1rem; font-weight: 800; cursor: pointer; box-shadow: 0 4px 20px rgba(63,185,80,0.35); transition: all 0.25s; margin-bottom: 12px; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; filter: none; }
.btn-secondary { width: 100%; padding: 14px; border: 1.5px solid var(--border); border-radius: var(--radius); background: var(--surface2); color: var(--text2); font-family: 'Sarabun', sans-serif; font-size: 1rem; font-weight: 700; cursor: pointer; transition: all 0.25s; }
.btn-secondary:hover { border-color: var(--accent); color: var(--text); }

.submit-status { text-align: center; font-size: 0.9rem; font-weight: 600; min-height: 1.4em; margin-top: 4px; }
.submit-status.success { color: var(--green); }
.submit-status.error { color: var(--red); }
.submit-status.pending { color: var(--orange); }

/* History */
.history-list { display: flex; flex-direction: column; gap: 12px; }
.history-item { background: var(--surface2); border: 1px solid var(--border); border-radius: 12px; padding: 16px; transition: all 0.2s; }
.history-item:hover { border-color: rgba(88,166,255,0.3); }
.history-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.history-project { font-weight: 700; font-size: 0.92rem; color: var(--text); }
.history-date { font-size: 0.78rem; color: var(--text3); }
.history-work { font-size: 0.85rem; color: var(--text2); margin-bottom: 8px; line-height: 1.6; }
.history-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.history-tag { font-size: 0.72rem; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.history-tag.workers { background: rgba(88,166,255,0.12); color: var(--accent); }
.history-tag.progress { background: rgba(63,185,80,0.12); color: var(--green); }
.history-tag.time { background: rgba(163,113,247,0.12); color: var(--purple); }
.history-tag.synced { background: rgba(63,185,80,0.12); color: var(--green); }
.history-tag.queued { background: rgba(240,136,62,0.12); color: var(--orange); }
.history-photos { display: flex; gap: 8px; margin-top: 10px; }
.history-photos img { width: 64px; height: 48px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }

/* Queue */
.queue-list { display: flex; flex-direction: column; gap: 12px; }
.queue-item { background: var(--surface2); border: 1px solid var(--orange); border-radius: 12px; padding: 16px; }
.queue-item .queue-project { font-weight: 700; color: var(--orange); }
.queue-item .queue-date { font-size: 0.78rem; color: var(--text3); }

/* Empty State */
.empty-state { text-align: center; padding: 40px 20px; }
.empty-icon { font-size: 3rem; margin-bottom: 12px; display: block; opacity: 0.5; }
.empty-state p { color: var(--text3); font-size: 0.95rem; }

.hint-text { color: var(--text3); font-size: 0.82rem; margin-bottom: 16px; }

/* Offline Indicator */
.offline-indicator { display: none; color: var(--orange); font-weight: 700; font-size: 0.85rem; padding: 8px 16px; background: rgba(240,136,62,0.1); border-radius: 8px; margin-top: 8px; }
.offline-indicator.show { display: block; animation: fadeIn 0.3s ease; }

/* Footer */
footer { color: var(--text2); font-size: 0.82rem; text-align: center; margin-top: 12px; padding-bottom: 24px; width: 100%; }

/* Toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--surface); border: 1px solid var(--border); color: var(--text); font-family: 'Sarabun', sans-serif; font-size: 0.9rem; font-weight: 600; padding: 14px 24px; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.4); z-index: 9000; animation: slideUp 0.3s ease; }
.toast.success { border-color: var(--green); color: var(--green); }
.toast.error { border-color: var(--red); color: var(--red); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes shake { 0%,100% { transform: translateX(0); } 20%,60% { transform: translateX(-6px); } 40%,80% { transform: translateX(6px); } }
@keyframes slideUp { from { opacity: 0; transform: translate(-50%, 20px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* Responsive */
@media (max-width: 480px) {
  header h1 { font-size: 1.5rem; }
  .card { padding: 18px 14px; }
  .input-grid { grid-template-columns: 1fr; }
  .tabs { font-size: 0.82rem; }
  .tab { padding: 9px 6px; font-size: 0.82rem; }
}

@media (max-width: 360px) {
  .photo-grid { grid-template-columns: 1fr; }
}