/*
 * AutoDent - Dental Practice Recording App
 * Mobile-first design
 */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --danger: #dc2626;
  --danger-dark: #b91c1c;
  --success: #16a34a;
  --warning: #f59e0b;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --recording-red: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 9999px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px 32px;
  min-height: 100vh;
}

/* Header */
.app-header {
  text-align: center;
  padding: 24px 0 20px;
}

.app-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.app-header .subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Form Styles */
.recording-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}

.form-section {
  margin-bottom: 16px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-section--half {
  flex: 1;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-label .optional {
  font-weight: 400;
  color: var(--gray-400);
  font-size: 12px;
}

.form-select,
.form-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--gray-800);
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 40px;
}

.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select.error,
.form-input.error {
  border-color: var(--danger);
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* Recording Section */
.recording-section {
  text-align: center;
  padding-top: 8px;
}

.timer {
  font-size: 48px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--gray-300);
  margin-bottom: 16px;
  transition: color 0.3s;
}

.timer.active {
  color: var(--recording-red);
}

/* Waveform Animation */
.waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 64px;
  margin-bottom: 20px;
}

.waveform-bar {
  width: 4px;
  height: 4px;
  background: var(--gray-300);
  border-radius: 2px;
  transition: height 0.1s ease, background 0.3s;
}

.waveform.active .waveform-bar {
  background: var(--recording-red);
}

/* Record Button */
.record-controls {
  margin-bottom: 20px;
}

.record-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 40px;
  background: var(--gray-100);
  border: 3px solid var(--gray-200);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.record-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.record-btn:active {
  transform: scale(0.98);
}

.record-btn.recording {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--recording-red);
}

.record-icon {
  width: 48px;
  height: 48px;
  background: var(--recording-red);
  border-radius: 50%;
  position: relative;
  transition: all 0.3s;
}

.record-btn.recording .record-icon {
  border-radius: 8px;
  width: 32px;
  height: 32px;
  animation: pulse-recording 1.5s infinite;
}

@keyframes pulse-recording {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.record-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-600);
}

.record-btn.recording .record-label {
  color: var(--recording-red);
}

/* Upload Section */
.upload-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--gray-200);
  margin-top: 4px;
}

.divider-text {
  font-size: 12px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s;
}

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

.upload-icon {
  width: 18px;
  height: 18px;
}

.hidden-input {
  display: none;
}

.selected-file {
  font-size: 13px;
  color: var(--success);
  font-weight: 500;
}

/* Submit Button */
.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 16px;
}

.submit-btn:hover:not(:disabled) {
  background: var(--primary-dark);
}

.submit-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.submit-btn:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
}

.submit-icon {
  width: 18px;
  height: 18px;
}

/* Recordings History */
.recordings-history {
  margin-top: 8px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
}

.recordings-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.date-group {
  margin-bottom: 8px;
}

.date-header {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding-left: 4px;
}

/* Recording Card */
.recording-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  margin: 16px;
  box-shadow: var(--shadow);
}

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

.room-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--primary);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.recording-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-500);
}

.recording-duration {
  font-weight: 600;
  color: var(--gray-600);
}

.patient-info {
  display: flex;
  gap: 12px;
  font-size: 14px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}

.patient-name {
  font-weight: 600;
  color: var(--gray-800);
}

.patient-number {
  color: var(--gray-500);
}

/* Transcription */
.transcription-section {
  margin-bottom: 12px;
}

.transcription-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-700);
  white-space: pre-wrap;
}

.transcription-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.transcription-status--processing {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

.transcription-status--pending {
  background: var(--gray-100);
  color: var(--gray-500);
}

.transcription-status--failed {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger);
}

.transcription-status--failed svg {
  width: 16px;
  height: 16px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--primary-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Billing Section */
.billing-section {
  margin-bottom: 12px;
}

.billing-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.billing-status--processing {
  background: rgba(22, 163, 74, 0.1);
  color: var(--success);
}

.billing-status--processing .spinner {
  border-color: rgba(22, 163, 74, 0.3);
  border-top-color: var(--success);
}

.billing-status--error {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger);
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.billing-status--error .error-icon {
  width: 20px;
  height: 20px;
  color: var(--danger);
  flex-shrink: 0;
}

.billing-status--error .error-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.billing-status--error .error-message {
  font-size: 13px;
  line-height: 1.5;
}

.billing-status--error .retry-btn {
  background: var(--danger);
  color: var(--white);
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  align-self: flex-start;
}

.billing-status--error .retry-btn:hover {
  background: var(--danger-dark);
}

.billing-positions {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.billing-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.billing-content {
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray-700);
}

.billing-content p {
  margin-bottom: 8px;
}

.billing-content p:last-child {
  margin-bottom: 0;
}

.billing-content h1,
.billing-content h2,
.billing-content h3,
.billing-content h4,
.billing-content h5,
.billing-content h6 {
  font-weight: 600;
  color: var(--gray-800);
  margin-top: 12px;
  margin-bottom: 6px;
}

.billing-content h1:first-child,
.billing-content h2:first-child,
.billing-content h3:first-child,
.billing-content h4:first-child {
  margin-top: 0;
}

.billing-content h1 { font-size: 16px; }
.billing-content h2 { font-size: 15px; }
.billing-content h3 { font-size: 14px; }
.billing-content h4,
.billing-content h5,
.billing-content h6 { font-size: 13px; }

.billing-content ul,
.billing-content ol {
  margin: 8px 0;
  padding-left: 20px;
}

.billing-content li {
  margin-bottom: 4px;
}

.billing-content li:last-child {
  margin-bottom: 0;
}

.billing-content strong {
  font-weight: 600;
  color: var(--gray-800);
}

.billing-content em {
  font-style: italic;
}

.billing-content code {
  background: var(--gray-200);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12px;
}

.billing-content pre {
  background: var(--gray-200);
  padding: 10px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 8px 0;
}

.billing-content pre code {
  background: none;
  padding: 0;
}

.billing-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 12px;
}

.billing-content th,
.billing-content td {
  border: 1px solid var(--gray-200);
  padding: 6px 8px;
  text-align: left;
}

.billing-content th {
  background: var(--gray-100);
  font-weight: 600;
}

.billing-content hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 12px 0;
}

.billing-content blockquote {
  border-left: 3px solid var(--success);
  padding-left: 12px;
  margin: 8px 0;
  color: var(--gray-600);
  font-style: italic;
}

/* Recording Actions */
.recording-actions {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}

.play-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.2s;
}

.play-btn:hover {
  background: var(--gray-200);
}

.play-icon,
.pause-icon {
  width: 14px;
  height: 14px;
}

.hidden {
  display: none !important;
}

.delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  cursor: pointer;
  transition: all 0.2s;
  margin-left: auto;
}

.delete-btn:hover {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger);
}

.delete-btn svg {
  width: 18px;
  height: 18px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-400);
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.empty-state span {
  font-size: 14px;
}

/* Status Message */
.status-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  margin-top: 16px;
}

.status-message.hidden {
  display: none;
}

/* Disabled states */
.record-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-select:disabled,
.form-input:disabled {
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
}

.upload-btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* Responsive adjustments for larger screens */
@media (min-width: 640px) {
  .app-container {
    padding: 0 24px 48px;
  }

  .app-header {
    padding: 32px 0 24px;
  }

  .app-header h1 {
    font-size: 32px;
  }

  .recording-form {
    padding: 24px;
  }
}