:root {
  --bg-color: #f0f4f8;
  --panel-bg: #ffffff;
  --border-color: #e2e8f0;
  --primary: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --primary-hover: #1d4ed8;
  --success: #10b981;
  --danger: #ef4444;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --input-bg: #f8fafc;
  --card-radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  background-image:
    radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.08), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(14, 165, 233, 0.08), transparent 40%);
  background-attachment: fixed;
}

.app-container {
  width: 100%;
  max-width: 500px;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 32px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

.header {
  text-align: center;
  margin-bottom: 30px;
}

.header h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--primary);
}

.live-clock {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  margin: 10px 0;
  text-shadow: 0 0 15px var(--primary-glow);
}

.subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

.form-group {
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 10px;
}

.flex-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.flex-label label {
  margin-bottom: 0;
}

.btn-sm {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  border: 1px solid var(--primary-glow);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-sm:hover {
  background: var(--primary);
  color: #fff;
}

.required {
  color: var(--danger);
}

.photo-preview {
  background: var(--input-bg);
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
}

.photo-preview.camera-active {
  border-style: solid;
  border-color: var(--primary-glow);
  padding: 0;
}

.photo-preview video,
.photo-preview img {
  width: 100%;
  height: auto;
  min-height: 250px;
  object-fit: cover;
  display: none;
  /* toggled via JS */
  border-radius: 14px;
}

/* Camera Overlays UI */
.camera-ui,
.camera-result-ui {
  position: absolute;
  bottom: 12px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 0 16px;
  z-index: 10;
}

.btn-camera {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-camera:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.btn-camera.btn-switch {
  padding: 10px;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  justify-content: center;
}

.btn-camera.btn-retake {
  background: rgba(239, 68, 68, 0.8);
  border-color: rgba(239, 68, 68, 0.5);
}

.btn-camera.btn-retake:hover {
  background: var(--danger);
}

/* Photo Thumbnails Grid */
.photo-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.thumb-item {
  position: relative;
  width: calc(33.33% - 8px);
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid var(--border-color);
  background: var(--input-bg);
}

.thumb-item img {
  width: 100%;
  height: 90px;
  object-fit: cover;
  display: block;
}

.thumb-label {
  display: block;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 0;
}

.thumb-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(239, 68, 68, 0.85);
  color: white;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.thumb-delete:hover {
  background: var(--danger);
}

.hidden-input {
  display: none;
}

/* Radio Group */
.radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radio-card {
  position: relative;
  cursor: pointer;
}

.radio-card input {
  position: absolute;
  opacity: 0;
}

.radio-content {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.radio-content i {
  font-size: 20px;
  color: var(--text-muted);
}

.radio-content span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.radio-card input:checked+.radio-content {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.radio-card input:checked+.radio-content i,
.radio-card input:checked+.radio-content span {
  color: var(--primary);
}

/* Textarea */
textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
  transition: all 0.3s ease;
}

textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea::placeholder {
  color: #475569;
}

/* Select Input Dropdown */
.form-select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.3s ease;
  appearance: none;
  /* remove default arrow */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
}

.form-select option {
  background: #ffffff;
  color: #1e293b;
}

/* Geo Status */
.geo-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding: 12px;
  border-radius: 8px;
  background: #f8fafc;
}

.geo-status i {
  color: #eab308;
  /* yellow for loading */
}

.geo-status.success i {
  color: var(--success);
}

.geo-status.error i {
  color: var(--danger);
}

/* Submit Button */
.btn-submit {
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-submit:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.btn-submit:disabled {
  background: #334155;
  color: #94a3b8;
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.7;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 480px) {
  .glass-panel {
    padding: 24px;
  }

  .app-container {
    max-width: 100%;
  }
}

/* ─── Login Input ─── */
.form-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-input::placeholder {
  color: #475569;
}

/* ─── Auth Error ─── */
.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #ef4444;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Success Banner ─── */
.alert-success-banner {
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #059669;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideUp 0.4s ease;
}

/* ─── Auth Topbar ─── */
.auth-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.btn-logout {
  background: #fef2f2;
  color: #ef4444;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-logout:hover {
  background: #fee2e2;
}