@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --notepad: #F7F6F2;
  --black: #1A1C20;
  --orange: #FF5200;
  --crema: #F3C892;
  --vanilla: #F5F2E2;
  --stone: #E5E5E5;
  --orange-10: rgba(255, 82, 0, 0.1);
  --orange-20: rgba(255, 82, 0, 0.2);
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--notepad);
  color: var(--black);
  min-height: 100vh;
}

/* Login page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-box {
  background: white;
  border-radius: 16px;
  padding: 3rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.login-box .logo {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
}

.login-box h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.login-box p {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #888;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--stone);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  background: var(--notepad);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--orange);
  color: white;
  width: 100%;
}

.btn-primary:hover {
  background: #e64a00;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--vanilla);
  color: var(--black);
}

.btn-secondary:hover {
  background: var(--crema);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--stone);
}

.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.error-msg {
  color: #d32f2f;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
}

/* App layout */
.app-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  background: white;
  border-right: 1px solid var(--stone);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

.sidebar .logo-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar .logo-row img {
  width: 32px;
  height: 32px;
}

.sidebar .logo-row h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

.sidebar h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-bottom: 0.5rem;
}

.file-upload {
  border: 2px dashed var(--stone);
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.file-upload:hover {
  border-color: var(--orange);
  background: var(--orange-10);
}

.file-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload .label {
  font-size: 0.85rem;
  color: #888;
}

.file-upload .label strong {
  color: var(--orange);
}

.file-upload.has-file {
  border-color: var(--orange);
  background: var(--orange-10);
}

.file-upload.has-file .label {
  color: var(--black);
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.transcript-box {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 0.75rem;
  background: var(--notepad);
  border-radius: 8px;
  border: 1px solid var(--stone);
}

.transcript-box .entry {
  margin-bottom: 0.75rem;
}

.transcript-box .entry .speaker {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.transcript-box .entry .speaker.ai { color: var(--orange); }
.transcript-box .entry .speaker.user { color: var(--black); }

.transcript-box .empty {
  color: #aaa;
  font-style: italic;
  text-align: center;
  padding: 2rem 0;
}

/* Info box */
.info-box {
  background: white;
  border: 1px solid var(--stone);
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  max-width: 480px;
  width: 100%;
}

.info-box-header {
  margin-bottom: 1rem;
}

.info-box-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 0;
}

.info-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-list li {
  font-size: 0.82rem;
  line-height: 1.6;
  color: #666;
}

.info-list li strong {
  display: block;
  color: var(--black);
  margin-bottom: 0.1rem;
}

/* Timer display */
.timer-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: var(--notepad);
  border-radius: 8px;
  border: 1px solid var(--stone);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.75rem;
}

.timer-display .timer-icon {
  font-size: 1rem;
}

.timer-display.warning {
  background: #FFF3E0;
  border-color: #FFB74D;
  color: #E65100;
}

.timer-display.urgent {
  background: #FFEBEE;
  border-color: #EF5350;
  color: #C62828;
  animation: timer-pulse 1s ease-in-out infinite;
}

@keyframes timer-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Progress tracker */
.progress-tracker {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: #bbb;
  padding: 0.35rem 0;
  position: relative;
  transition: color 0.3s;
}

.progress-step .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone);
  flex-shrink: 0;
  transition: background 0.3s, box-shadow 0.3s;
}

.progress-step.done {
  color: var(--black);
}

.progress-step.done .dot {
  background: var(--orange);
}

.progress-step.active {
  color: var(--black);
  font-weight: 600;
}

.progress-step.active .dot {
  background: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-20);
}

/* Main area */
.main-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.orb-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.orb-container canvas {
  width: 100%;
  height: 100%;
}

.status-label {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: #888;
  font-weight: 500;
  min-height: 1.5em;
}

.controls {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.controls .btn {
  min-width: 160px;
}

/* Result overlay */
.result-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 28, 32, 0.6);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 2rem;
}

.result-overlay.visible {
  display: flex;
}

.result-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 700px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.result-card h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.result-card pre {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: var(--notepad);
  border: 1px solid var(--stone);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.82rem;
  line-height: 1.6;
  font-family: 'SF Mono', 'Fira Code', monospace;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.result-card .actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: flex-end;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--stone);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--stone);
    max-height: 40vh;
  }
  .orb-container {
    width: 280px;
    height: 280px;
  }
}