/* Dutton Translator - Bespoke Editorial & Heritage Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Bitter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #121212;
  --bg-surface: #181818;
  --bg-card: #1e1d1b;
  --bg-card-hover: #242220;
  --text-main: #f3eee6;
  --text-muted: #8e887f;
  --border-subtle: #2a2825;
  --border-highlight: #453e34;
  --dutton-gold: #c8933b;
  --dutton-gold-hover: #dfa84a;
  --dutton-gold-glow: rgba(200, 147, 59, 0.25);
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-serif-brand {
  font-family: 'Bitter', Georgia, serif;
  letter-spacing: -0.02em;
}

.font-mono-code {
  font-family: 'JetBrains Mono', monospace;
}

/* Dutton Subtle Grain / Grid Background */
.subtle-grain {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* Hairline borders */
.hairline-border {
  border: 1px solid var(--border-subtle);
}

.hairline-b {
  border-bottom: 1px solid var(--border-subtle);
}

.hairline-t {
  border-top: 1px solid var(--border-subtle);
}

/* Active language tab styling */
.lang-tab {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.lang-tab.active {
  background-color: #262421;
  color: var(--dutton-gold);
  border-color: var(--dutton-gold);
  font-weight: 600;
  box-shadow: 0 0 12px var(--dutton-gold-glow);
}

/* Voice pulse animations & Animated Radar Ripple */
.mic-btn-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mic-ripple-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  border: 2px solid rgba(239, 68, 68, 0.85);
  transform: translate(-50%, -50%);
  animation: radar-ripple 1.6s cubic-bezier(0, 0.2, 0.8, 1) infinite;
  pointer-events: none;
  z-index: 1;
}

.mic-ripple-ring-2 {
  animation-delay: 0.5s;
  border-color: rgba(200, 147, 59, 0.9);
}

.mic-ripple-ring-3 {
  animation-delay: 1.0s;
  border-color: rgba(239, 68, 68, 0.6);
}

@keyframes radar-ripple {
  0% {
    width: 100%;
    height: 100%;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.8);
  }
  100% {
    width: 190%;
    height: 190%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.6);
    box-shadow: 0 0 35px rgba(239, 68, 68, 0);
  }
}

.mic-recording-active {
  background: linear-gradient(135deg, #451010, #1f0808) !important;
  border-color: #ef4444 !important;
  color: #ffffff !important;
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.7), inset 0 0 15px rgba(239, 68, 68, 0.4) !important;
  transform: scale(1.04);
}

.card-recording-glow {
  border-color: rgba(239, 68, 68, 0.8) !important;
  box-shadow: 0 0 35px rgba(239, 68, 68, 0.25) !important;
}

/* Equalizer Bars on Recording Mic */
.rec-bar {
  display: inline-block;
  width: 2.5px;
  background-color: #f87171;
  border-radius: 999px;
  animation: rec-bar-bounce 0.65s ease-in-out infinite alternate;
}
.rec-bar:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.rec-bar:nth-child(2) { height: 16px; animation-delay: 0.25s; }
.rec-bar:nth-child(3) { height: 10px; animation-delay: 0.15s; }
.rec-bar:nth-child(4) { height: 18px; animation-delay: 0.35s; }

@keyframes rec-bar-bounce {
  0% { transform: scaleY(0.2); }
  100% { transform: scaleY(1.35); }
}

@keyframes mic-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.8);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(239, 68, 68, 0);
    transform: scale(1.04);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    transform: scale(1);
  }
}

.recording-pulse {
  animation: mic-pulse 1.4s infinite ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
  animation: fadeIn 0.25s ease-out forwards;
}

/* Equalizer audio wave animation for speech readout */
.audio-wave {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 18px;
}

.audio-bar {
  width: 3px;
  background-color: var(--dutton-gold);
  border-radius: 9999px;
  animation: wave-bar 1s ease-in-out infinite alternate;
}

.audio-bar:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.audio-bar:nth-child(2) { height: 14px; animation-delay: 0.3s; }
.audio-bar:nth-child(3) { height: 18px; animation-delay: 0.2s; }
.audio-bar:nth-child(4) { height: 10px; animation-delay: 0.4s; }
.audio-bar:nth-child(5) { height: 16px; animation-delay: 0.15s; }

@keyframes wave-bar {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

/* Custom minimal scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #2e2b27;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #47423c;
}

/* Smooth textarea formatting */
textarea {
  resize: none;
}
textarea:focus {
  outline: none;
}

/* Shimmer loader during translation */
@keyframes goldShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer-loading {
  background: linear-gradient(90deg, rgba(200, 147, 59, 0.05) 25%, rgba(200, 147, 59, 0.25) 50%, rgba(200, 147, 59, 0.05) 75%);
  background-size: 200% 100%;
  animation: goldShimmer 1.8s infinite linear;
}

/* Modal transition */
.modal-backdrop {
  backdrop-filter: blur(8px);
  background-color: rgba(18, 18, 18, 0.82);
}

/* Tooltip badge */
.badge-gold {
  background-color: rgba(200, 147, 59, 0.12);
  color: var(--dutton-gold);
  border: 1px solid rgba(200, 147, 59, 0.25);
}