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

html, body {
  height: 100%;
}

body {
  touch-action: manipulation;        /* ลดโอกาส zoom จาก double tap */
  font-family: "K2D", sans-serif;
  background: radial-gradient(circle at top, #ff4b4b 0%, #1a0004 45%, #050308 100%);
  color: #e5e7eb;
  overflow-x: hidden;
}

/* ใช้ K2D ทุกอย่าง */
body, input, button, textarea {
  font-family: "K2D", sans-serif;
}

/* ยกเว้นไอคอน FontAwesome */
.fa-solid,
.fa-regular,
.fa-brands,
.fas,
.far,
.fab {
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 800 !important;
}

/* ===========================
   APP CONTAINER
=========================== */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1b1b23 0%, #050509 60%, #020103 100%);
  color: #f9fafb;
  position: relative;
  padding-bottom: 80px; /* space for bottom nav */
}

/* ทำให้ดูเป็นมือถือโค้งมน เวลาเปิดบนจอใหญ่ */
@media (min-width: 600px) {
  .app-container {
    margin-top: 16px;
    margin-bottom: 16px;
    border-radius: 32px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65);
    overflow: hidden;
  }
}

/* ===========================
   HEADER
=========================== */
.header {
  background: linear-gradient(135deg, #111827 0%, #020617 40%, #7f1d1d 100%);
  color: #f9fafb;
  padding: 16px 20px;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.6);
}

.header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.header p {
  margin-top: 2px;
  font-size: 12px;
  opacity: 0.85;
}

/* ===========================
   CONTENT WRAPPER
=========================== */
.content {
  padding: 18px 18px 24px;
}

/* ===========================
   HOME / HERO
=========================== */
.scan-hero {
  text-align: center;
  padding: 32px 16px 24px;
}

.scan-hero h2 {
  font-size: 22px;
  font-weight: 600;
  color: #fef2f2;
}

.scan-hero p {
  font-size: 13px;
  color: #9ca3af;
}

/* วงกลมไอคอนตรงกลางแบบ Glow */
.scan-hero .hero-circle {
  width: 150px;
  height: 150px;
}

/* คุณใช้ inline style อยู่แล้วเลยไม่กำหนดซ้ำ แค่เพิ่มเอฟเฟกต์ใกล้เคียง */
.scan-hero i.fa-fire-extinguisher {
  text-shadow: 0 0 18px rgba(248, 113, 113, 0.8);
}

/* ปุ่มสแกนใหญ่แบบแอพจริง */
.scan-button {
  background: linear-gradient(135deg, #f97316 0%, #ef4444 40%, #dc2626 100%);
  color: #ffffff;
  border: none;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  box-shadow: 0 12px 30px rgba(248, 113, 113, 0.45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.scan-button:active {
  transform: scale(0.97) translateY(1px);
  box-shadow: 0 6px 16px rgba(248, 113, 113, 0.4);
  opacity: 0.9;
}

/* ===========================
   QUICK STATS
=========================== */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.stat-card {
  background: radial-gradient(circle at top, #111827 0%, #020617 75%);
  border-radius: 18px;
  padding: 12px 10px;
  text-align: center;
  border: 1px solid rgba(248, 113, 113, 0.25);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.6);
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: #f97316;
  margin: 0;
}

.stat-label {
  font-size: 11px;
  color: #9ca3af;
  margin-top: 2px;
}

/* ===========================
   GENERIC CARD
=========================== */
.card {
  background: radial-gradient(circle at top left, #111827 0%, #020617 60%);
  border-radius: 22px;
  padding: 18px 16px;
  margin-bottom: 16px;
  border: 1px solid rgba(75, 85, 99, 0.7);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.7);
}

/* ===========================
   DETAIL CARD
=========================== */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: #f9fafb;
}

/* Badge ใช้สถานะ Good / Need Service / Expired */
.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
}

.badge-good {
  background: rgba(22, 163, 74, 0.15);
  color: #bbf7d0;
  border-color: rgba(34, 197, 94, 0.5);
}

.badge-bad {
  background: rgba(248, 113, 113, 0.18);
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.7);
}

.badge-warning {
  background: rgba(234, 179, 8, 0.15);
  color: #fef9c3;
  border-color: rgba(250, 204, 21, 0.7);
}

/* GRID รายละเอียดถัง */
.info-grid {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  font-size: 12px;
  color: #9ca3af;
}

.info-value {
  font-size: 13px;
  font-weight: 600;
  color: #e5e7eb;
  text-align: right;
}

/* ===========================
   CHECKLIST
=========================== */
.checklist-item {
  background: radial-gradient(circle at top, #111827 0%, #020617 70%);
  padding: 14px 12px;
  border-radius: 18px;
  margin-bottom: 10px;
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.checklist-question {
  font-size: 13px;
  font-weight: 500;
  color: #e5e7eb;
  margin-bottom: 10px;
}

.toggle-group {
  display: flex;
  gap: 8px;
}

.toggle-btn {
  flex: 1;
  padding: 8px 4px;
  border-radius: 999px;
  border: 1px solid rgba(75, 85, 99, 0.9);
  background: #020617;
  color: #e5e7eb;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease,
    transform 0.08s ease;
}

.toggle-btn:active {
  transform: scale(0.97);
}

.toggle-btn.active-yes {
  background: rgba(21, 128, 61, 0.85);
  border-color: #22c55e;
  color: #eafff4;
}

.toggle-btn.active-no {
  background: rgba(185, 28, 28, 0.85);
  border-color: #ef4444;
  color: #fee2e2;
}

.toggle-btn.active-na {
  background: rgba(30, 64, 175, 0.7);
  border-color: #6366f1;
  color: #e0f2fe;
}

/* ===========================
   FORM
=========================== */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #9ca3af;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 11px;
  border-radius: 12px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: #020617;
  color: #f9fafb;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input::placeholder {
  color: #6b7280;
}

.form-input:focus {
  border-color: #f97316;
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.6);
}

textarea.form-input {
  min-height: 80px;
  resize: vertical;
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  width: 100%;
  padding: 14px 16px;
  border-radius: 999px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #f97316 0%, #ef4444 40%, #dc2626 100%);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(248, 113, 113, 0.55);
}

.btn-primary:active {
  transform: scale(0.97) translateY(1px);
  box-shadow: 0 8px 18px rgba(248, 113, 113, 0.45);
  opacity: 0.95;
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
  border: 1px solid rgba(55, 65, 81, 0.9);
  margin-top: 10px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.65);
}

.btn-secondary:active {
  transform: scale(0.97) translateY(1px);
  opacity: 0.95;
}

.btn-success {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 60%);
  color: #f9fafb;
  box-shadow: 0 14px 30px rgba(34, 197, 94, 0.5);
}

.btn-success:active {
  transform: scale(0.97) translateY(1px);
}

/* ปุ่ม disabled */
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* ===========================
   RESULT SCREEN
=========================== */
.result-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  box-shadow: 0 0 40px rgba(34, 197, 94, 0.4);
}

.result-pass {
  background: radial-gradient(circle at top, #22c55e, #14532d 70%);
  color: #ecfdf5;
}

.result-fail {
  background: radial-gradient(circle at top, #ef4444, #7f1d1d 70%);
  color: #fef2f2;
  box-shadow: 0 0 40px rgba(248, 113, 113, 0.55);
}

.result-title {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.result-subtitle {
  text-align: center;
  font-size: 13px;
  color: #9ca3af;
  margin-bottom: 22px;
}

/* ===========================
   HISTORY LIST
=========================== */
.history-item {
  background: radial-gradient(circle at top left, #111827 0%, #020617 80%);
  padding: 14px 13px;
  border-radius: 18px;
  margin-bottom: 10px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease,
    box-shadow 0.15s ease;
}

.history-item:active {
  transform: scale(0.98);
  background: radial-gradient(circle at top left, #1f2937 0%, #020617 80%);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.75);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 4px;
}

.history-id {
  font-size: 13px;
  font-weight: 600;
  color: #e5e7eb;
}

.history-date {
  font-size: 11px;
  color: #9ca3af;
}

.history-inspector {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 2px;
}

.history-date-small {
  font-size: 11px;
  color: #6b7280;
}

/* ป้ายสถานะ PASS / FAIL / อื่น ๆ */
.status-badge {
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.status-good {            /* PASS → เขียว */
  background: rgba(22, 163, 74, 0.18);
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.7);
}

.status-bad {             /* FAIL → แดง */
  background: rgba(248, 113, 113, 0.2);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.8);
}

.status-warn {
  background: rgba(234, 179, 8, 0.2);
  color: #fef9c3;
  border: 1px solid rgba(250, 204, 21, 0.8);
}

/* ===========================
   LOADING / SKELETON
=========================== */
.loading {
  text-align: center;
  padding: 32px 16px;
  font-size: 13px;
  color: #9ca3af;
}

/* Skeleton card สำหรับตอนโหลด List ถัง */
.skeleton-card {
  height: 64px;
  border-radius: 18px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #111827 0%, #1f2937 50%, #111827 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.1s linear infinite;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* ===========================
   SCREENS
=========================== */
.screen {
  display: none;
}

.screen.active {
  display: block;
}

/* ===========================
   BOTTOM NAV
=========================== */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 480px;
  margin: 0 auto;
  background: rgba(3, 7, 18, 0.98);
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  display: flex;
  justify-content: space-around;
  padding: 8px 8px 10px;
  box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px);
}

.nav-item {
  flex: 1;
  border: none;
  background: transparent;
  color: #6b7280;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  cursor: pointer;
}

.nav-item i {
  font-size: 18px;
}

.nav-item.active {
  color: #f97316;
}

.nav-item.active i {
  text-shadow: 0 0 10px rgba(248, 113, 113, 0.7);
}

/* ===========================
   SCAN VIDEO
=========================== */
#qr-video {
  border-radius: 18px !important;
  background: #000;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

/* Margin Utils */
.mt-24 {
  margin-top: 24px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.summary-card {
  background: #0f172a;
  border-radius: 16px;
  padding: 14px 16px;
  border: 1px solid #1e293b;
  text-align: center;
}

.summary-title {
  font-size: 12px;
  color: #9ca3af;
}

.summary-value {
  font-size: 22px;
  font-weight: 700;
  color: #f97316;
  margin-top: 4px;
}

.pf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 10px 0 22px;
}

.pass-card, .fail-card {
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
}

.pass-card {
  background: rgba(52,211,153,0.2);
  color: #6ee7b7;
}

.fail-card {
  background: rgba(248,113,113,0.2);
  color: #fecaca;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  margin: 22px 0 8px;
}

.alert-card {
  padding: 14px 16px;
  border-radius: 16px;
  margin-bottom: 14px;
}

.alert-warn {
  background: rgba(234,179,8,0.18);
  color: #fef08a;
}

.alert-danger {
  background: rgba(248,113,113,0.18);
  color: #fecaca;
}

.alert-list {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.4;
  color: #1d1d1d;
}

.alert-box {
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.alert-warn {
  background: #fff8e1;
  border-color: #feffb3;
}

.alert-danger {
  background: #ffebee;
  border-color: #ffcdd2;
}

.alert-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: #ff0000;
  margin-bottom: 10px;
  font-size: 15px;
}

.alert-header i {
  font-size: 18px;
}

.alert-list {
  padding-left: 5px;
}

.alert-item {
  display: flex;
  justify-content: space-between;
  background: white;
  color: #1d1d1d;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.alert-item .id {
  font-weight: 600;
}

.alert-item .days {
  color: #d32f2f;
  font-weight: 600;
}

.blink {
  animation: glowBlink 1.2s infinite ease-in-out;
}

@keyframes glowBlink {
  0%   { opacity: 1; text-shadow: 0 0 4px #ff9800; }
  50%  { opacity: 0.3; text-shadow: 0 0 12px #ff9800; }
  100% { opacity: 1; text-shadow: 0 0 4px #ff9800; }
}

.blink-warn {
  animation: glowBlinkwarn 1.2s infinite ease-in-out;
}

@keyframes glowBlinkwarn {
  0%   { opacity: 1; text-shadow: 0 0 4px #ff3333; }
  50%  { opacity: 0.3; text-shadow: 0 0 12px  #ff3333; }
  100% { opacity: 1; text-shadow: 0 0 4px #ff3333; }
}

/* ==================== FULLSCREEN LOADING OVERLAY ==================== */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.loading-box {
  background: #ffffff;
  padding: 30px 40px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.loader {
  width: 48px;
  height: 48px;
  border: 5px solid #ddd;
  border-top-color: #ef4444;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

#loading-text {
  font-size: 16px;
  font-weight: 600;
  color: #334155;
}

.toggle-btn.active {
  background: #0ea5e9;
  color: white;
  border-color: #0284c7;
}