/* =====================================================
   ASR App - Modern UI
   ===================================================== */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Modern Color Palette (Dark Theme) */
  --bg-app: #0f1115;
  --bg-surface: #181b21;
  --bg-surface-hover: #22262e;
  
  --primary-color: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  
  --success-color: #10b981; /* Emerald */
  --success-hover: #059669;
  
  --danger-color: #ef4444; /* Red */
  --danger-hover: #dc2626;
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(24, 27, 33, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* =====================================================
   Transcription Area
   ===================================================== */

.transcription-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.transcription-wrapper:focus-within {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.transcription-textarea {
  background: transparent !important;
  border: none !important;
  color: var(--text-main) !important;
  resize: none;
  font-size: 1.25rem;
  line-height: 1.7;
  padding: 0;
  height: 100%;
  width: 100%;
  box-shadow: none !important;
}

.transcription-textarea::placeholder {
  color: var(--text-muted);
  font-weight: 300;
}

.transcription-textarea:focus {
  outline: none;
}

/* Scrollbar styling for textarea */
.transcription-textarea::-webkit-scrollbar {
  width: 8px;
}
.transcription-textarea::-webkit-scrollbar-track {
  background: transparent;
}
.transcription-textarea::-webkit-scrollbar-thumb {
  background-color: var(--border-subtle);
  border-radius: 20px;
}

/* =====================================================
   Action Bar
   ===================================================== */

.action-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  box-shadow: var(--shadow-md);
  margin-top: auto;
}

/* Control Cluster (Record/Stop) */
.control-cluster {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn-record, .btn-stop {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  position: relative;
}

.btn-record {
  background: var(--success-color);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-record:hover {
  background: var(--success-hover);
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.btn-record:active {
  transform: scale(0.95);
}

.btn-stop {
  background: var(--bg-surface-hover);
  color: var(--danger-color);
  border: 2px solid var(--danger-color);
}

.btn-stop:hover:not(:disabled) {
  background: var(--danger-color);
  color: white;
  transform: scale(1.05);
}

.btn-stop:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  filter: grayscale(100%);
}

.btn-speech {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  background: var(--bg-surface-hover);
  color: var(--text-muted);
  border: 2px solid var(--border-subtle);
}

.btn-speech:hover {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.btn-speech.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-speech.active:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

@media (max-width: 768px) {
  .btn-speech {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
  }
}

/* Secondary Actions (Ghost Buttons) */
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-weight: 500;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-ghost:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border-color: var(--text-muted);
}

.btn-ghost i {
  font-size: 1.1rem;
}

/* Selects */
.modern-select {
  background-color: var(--bg-app);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 10px 36px 10px 16px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  min-width: 120px;
}

.modern-select:hover {
  border-color: var(--text-muted);
}

.modern-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* =====================================================
   Navbar Updates
   ===================================================== */

.navbar {
  background: rgba(15, 17, 21, 0.8) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: -0.5px;
  font-size: 1.35rem;
}

.badge {
  font-weight: 500;
  padding: 0.5em 0.8em;
  border-radius: var(--radius-full);
}

/* =====================================================
   Recording Status & Animations
   ===================================================== */

.recording-status {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(16, 185, 129, 0.1);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.2);
  width: fit-content;
}

.status-text {
  color: var(--success-color);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pulse-ring {
  width: 10px;
  height: 10px;
  background: var(--success-color);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* =====================================================
   Mobile Responsiveness
   ===================================================== */

@media (max-width: 768px) {
  .transcription-textarea {
    font-size: 1.1rem;
  }

  .action-bar {
    padding: 16px;
    position: sticky;
    bottom: 16px;
    margin-left: 0;
    margin-right: 0;
    background: rgba(24, 27, 33, 0.95);
    backdrop-filter: blur(10px);
  }

  .control-cluster {
    gap: 24px;
  }

  .btn-record, .btn-stop {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
  }
}

/* =====================================================
   Authentication Pages
   ===================================================== */

.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.modern-input {
  background-color: var(--bg-app) !important;
  border: 1px solid var(--border-subtle) !important;
  color: var(--text-main) !important;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.modern-input:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2) !important;
  background-color: var(--bg-surface) !important;
}

.modern-input::placeholder {
  color: var(--text-muted);
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

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

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

.btn-primary:disabled {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  opacity: 0.7;
}

.text-primary {
  color: var(--primary-color) !important;
}

.text-primary:hover {
  color: var(--primary-hover) !important;
}

@media (max-width: 480px) {
  .auth-card {
    padding: 24px;
    margin: 16px;
  }
}