/**
 * AIOptimize™ MVP - Styles
 * Modern, premium design system
 */

/* === CSS Variables === */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #10b981;
  --accent: #f59e0b;
  --danger: #ef4444;

  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --bg-light: #f8fafc;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border: #334155;
  --border-light: #475569;

  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);

  --radius: 12px;
  --radius-sm: 8px;

  --transition: all 0.2s ease;
}

/* === Base Styles === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1f35 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* === Layout === */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

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

.logo svg {
  color: var(--primary);
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.app-main {
  display: flex;
  flex: 1;
  padding: 1.5rem;
  gap: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.left-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
}

.right-panel {
  width: 400px;
  flex-shrink: 0;
}

.app-footer {
  padding: 1rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
}

.btn-sm {
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
}

.btn-export {
  background: var(--secondary);
  color: white;
}

.btn-export:hover:not(:disabled) {
  background: #059669;
}

.btn-generate {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

.btn-export-all {
  width: 100%;
}

.btn-send {
  padding: 0.75rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
}

.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* === Upload Panel === */
.upload-panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.upload-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.upload-header svg {
  color: var(--primary);
}

.upload-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.upload-buttons {
  display: flex;
  gap: 0.75rem;
}

.upload-status {
  margin-top: 1rem;
  padding: 0.5rem 0.75rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-sm);
  color: var(--secondary);
  font-size: 0.875rem;
}

/* === Generate Section === */
.generate-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1rem;
  border: 1px solid var(--border);
}

/* === Map Container === */
.map-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1rem;
  border: 1px solid var(--border);
}

.map-wrapper {
  position: relative;
}

.map-controls {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 4px;
  z-index: 10;
  background: white;
  padding: 4px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.map-controls button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  cursor: pointer;
  color: #475569;
  transition: var(--transition);
}

.map-controls button:hover {
  background: #e2e8f0;
  color: #1e293b;
}

.map-controls .zoom-level {
  font-size: 11px;
  color: #64748b;
  padding: 0 8px;
  display: flex;
  align-items: center;
}

.map-hint {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.9);
  padding: 4px 12px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.map-container {
  background: white;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: grab;
}

.map-container:active {
  cursor: grabbing;
}

/* === Options Panel === */
.options-panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.options-panel h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.options-panel.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
}

.options-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.option-card {
  background: var(--bg-dark);
  border-radius: var(--radius-sm);
  padding: 1rem;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.option-card:hover {
  border-color: var(--border-light);
  background: var(--bg-hover);
}

.option-card.selected {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.option-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.option-icon {
  font-size: 1.5rem;
}

.option-header h4 {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
}

.selected-check {
  color: var(--primary);
}

.option-description {
  color: var(--text-secondary);
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.option-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.metric {
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.metric-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.metric-value.fitness {
  color: var(--secondary);
}

.option-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compliance {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.compliance.pass {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
}

.compliance.fail {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

/* === Export Panel === */
.export-panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1rem;
  border: 1px solid var(--border);
}

/* === Chat Interface === */
.chat-interface {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  max-height: 700px;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.chat-header svg {
  color: var(--primary);
}

.chat-header .sparkle {
  color: var(--accent);
}

.chat-header h3 {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.chat-welcome {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-secondary);
}

.welcome-icon {
  color: var(--primary);
  margin-bottom: 1rem;
}

.chat-welcome h4 {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.chat-welcome p {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.suggested-questions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.suggested-btn {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.suggested-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--primary);
}

.message {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.message-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message.user .message-icon {
  background: var(--primary);
  color: white;
}

.message.assistant .message-icon {
  background: var(--secondary);
  color: white;
}

.message-content {
  flex: 1;
  background: var(--bg-dark);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.message.user .message-content {
  background: rgba(99, 102, 241, 0.1);
}

.message-text {
  white-space: pre-wrap;
  line-height: 1.6;
}

.model-badge {
  margin-top: 0.5rem;
  font-size: 0.625rem;
  color: var(--text-muted);
}

.model-badge.gemini {
  color: var(--secondary);
}

.typing-indicator {
  display: flex;
  gap: 4px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes bounce {

  0%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-6px);
  }
}

.chat-input-form {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  border-top: 1px solid var(--border);
}

.chat-input {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.chat-input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-input:disabled {
  opacity: 0.5;
}

/* === Error Banner === */
.error-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: rgba(239, 68, 68, 0.1);
  border-bottom: 1px solid var(--danger);
  color: var(--danger);
}

.error-banner svg {
  flex-shrink: 0;
}

.error-banner span {
  flex: 1;
  font-size: 0.875rem;
}

.error-banner button {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0 0.5rem;
}

/* === Responsive === */
@media (max-width: 1200px) {
  .app-main {
    flex-direction: column;
  }

  .left-panel {
    max-width: 100%;
  }

  .right-panel {
    width: 100%;
  }

  .chat-interface {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .upload-buttons {
    flex-direction: column;
  }

  .option-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}