:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #222;
  --accent: #ff2d55;
  --accent2: #00ff88;
  --text: #f0f0f0;
  --muted: #555;
  --warn: #ffcc00;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanline overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.08) 2px,
      rgba(0, 0, 0, 0.08) 4px);
  pointer-events: none;
  z-index: 1000;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(255, 45, 85, 0.5);
}

.logo span {
  color: var(--text);
}

.status-pill {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.3s;
}

.status-pill.online {
  border-color: var(--accent2);
  color: var(--accent2);
}

.status-pill.offline {
  border-color: var(--accent);
  color: var(--accent);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-pill.online .status-dot {
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.hero {
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.hero h1 .line1 {
  color: var(--text);
  display: block;
}

.hero h1 .line2 {
  color: var(--accent);
  text-shadow: 0 0 40px rgba(255, 45, 85, 0.4);
  display: block;
}

.hero p {
  color: var(--muted);
  font-size: 0.95rem;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.03em;
}

/* API Config */
.config-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin-bottom: 2rem;
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.config-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.config-bar input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.8rem;
  color: var(--text);
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  outline: none;
  transition: border-color 0.2s;
}

.config-bar input:focus {
  border-color: var(--accent);
}

.btn-check {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-check:hover {
  background: var(--accent);
  color: #000;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255, 45, 85, 0.03) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
  opacity: 1;
}

.upload-zone.has-file {
  border-color: var(--accent2);
  border-style: solid;
}

.upload-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  filter: grayscale(1);
  transition: filter 0.3s;
}

.upload-zone:hover .upload-icon,
.upload-zone.has-file .upload-icon {
  filter: none;
}

.upload-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.upload-sub {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
}

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

/* File preview */
.file-preview {
  display: none;
  background: var(--surface);
  border: 1px solid var(--accent2);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  align-items: center;
  gap: 1rem;
}

.file-preview.visible {
  display: flex;
}

.file-icon {
  font-size: 1.8rem;
}

.file-meta {
  flex: 1;
}

.file-name {
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 0.2rem;
  word-break: break-all;
}

.file-size {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
}

.btn-remove {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.2s;
}

.btn-remove:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Controls */
.controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: center;
}

.mode-toggle {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
  gap: 3px;
}

.mode-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.mode-btn.active {
  background: var(--accent);
  color: #000;
  font-weight: 700;
}

.btn-predict {
  flex: 1;
  background: var(--accent);
  border: none;
  color: #000;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-predict::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-predict:hover::after {
  transform: translateX(100%);
}

.btn-predict:hover {
  box-shadow: 0 0 30px rgba(255, 45, 85, 0.4);
}

.btn-predict:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-predict:disabled::after {
  display: none;
}

/* Loading */
.loading-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

.loading-panel.visible {
  display: block;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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

.loading-text {
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  color: var(--muted);
  animation: blink 1.4s infinite;
}

@keyframes blink {
  50% {
    opacity: 0.4;
  }
}

.progress-steps {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.step {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  text-align: center;
  transition: color 0.3s;
}

.step.active {
  color: var(--accent);
}

.step.done {
  color: var(--accent2);
}

.step-icon {
  font-size: 1.2rem;
  display: block;
  margin-bottom: 0.3rem;
}

/* Results */
.result-panel {
  display: none;
  animation: slideUp 0.5s ease;
  margin-bottom: 2rem;
}

.result-panel.visible {
  display: block;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.verdict-card {
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  border: 1px solid;
}

.verdict-card.brainrot {
  background: rgba(255, 45, 85, 0.05);
  border-color: var(--accent);
}

.verdict-card.non-brainrot {
  background: rgba(0, 255, 136, 0.05);
  border-color: var(--accent2);
}

.verdict-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  opacity: 0.05;
}

.verdict-card.brainrot::before {
  background: var(--accent);
}

.verdict-card.non-brainrot::before {
  background: var(--accent2);
}

.verdict-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.verdict-emoji {
  font-size: 3rem;
}

.verdict-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  line-height: 1;
  letter-spacing: 0.05em;
}

.verdict-card.brainrot .verdict-label {
  color: var(--accent);
  text-shadow: 0 0 30px rgba(255, 45, 85, 0.4);
}

.verdict-card.non-brainrot .verdict-label {
  color: var(--accent2);
  text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.confidence-bar-wrap {
  margin-bottom: 1.5rem;
}

.confidence-meta {
  display: flex;
  justify-content: space-between;
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.confidence-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

.brainrot .confidence-fill {
  background: linear-gradient(90deg, #ff2d55, #ff6b88);
}

.non-brainrot .confidence-fill {
  background: linear-gradient(90deg, #00ff88, #00ccbb);
}

.probs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.prob-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
}

.prob-item-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.prob-item-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  line-height: 1;
}

.prob-item.brainrot-prob .prob-item-value {
  color: var(--accent);
}

.prob-item.non-brainrot-prob .prob-item-value {
  color: var(--accent2);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.detail-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.detail-value {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--text);
}

.transcript-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}

.transcript-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.transcript-text {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
  font-style: italic;
  opacity: 0.8;
}

.fold-bars {
  margin-bottom: 1.5rem;
}

.fold-bar-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.5rem;
}

.fold-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  width: 50px;
  text-align: right;
}

.fold-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.fold-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

.fold-pct {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  width: 40px;
}

/* Error */
.error-panel {
  display: none;
  background: rgba(255, 45, 85, 0.08);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 1.2rem;
  margin-bottom: 2rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
}

.error-panel.visible {
  display: block;
}

/* History */
.history-section {
  margin-top: 3rem;
}

.section-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
  margin-bottom: 1.2rem;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.history-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  animation: slideUp 0.3s ease;
}

.h-badge {
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.h-badge.br {
  background: rgba(255, 45, 85, 0.15);
  color: var(--accent);
}

.h-badge.nbr {
  background: rgba(0, 255, 136, 0.12);
  color: var(--accent2);
}

.h-name {
  flex: 1;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.h-conf {
  color: var(--text);
}

.h-time {
  color: var(--muted);
  font-size: 0.65rem;
}

.empty-history {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
}

@media (max-width: 640px) {
  header {
    padding: 1rem;
  }

  main {
    padding: 1.5rem 1rem;
  }

  .controls {
    flex-direction: column;
  }

  .mode-toggle {
    width: 100%;
  }

  .mode-btn {
    flex: 1;
  }

  .probs-grid {
    grid-template-columns: 1fr;
  }

  .details-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.visible .modal-content {
  transform: translateY(0);
}

.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 10px rgba(255, 204, 0, 0.3));
}

.modal-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.1em;
  color: var(--warn);
}

.modal-body {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 2rem;
}

.modal-body p {
  margin-bottom: 1rem;
}

.modal-body ul {
  padding-left: 1.5rem;
}

.modal-body li {
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.modal-body strong {
  color: var(--accent);
}

.modal-footer {
  display: flex;
  justify-content: center;
}

.modal-footer .btn-predict {
  width: 100%;
}