:root {
  --color-bg: #0f0f0f;
  --color-surface: #1a1a1a;
  --color-surface-el: #242424;
  --color-border: #2e2e2e;
  --color-text: #f5f5f0;
  --color-text-sec: #8a8a8a;
  --color-text-ter: #5a5a5a;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-sub: rgba(59, 130, 246, 0.1);
  --color-success: #22c55e;
  --color-error: #ef4444;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --transition: .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-ter); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* Nav */
.ahoy-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
}
.ahoy-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.ahoy-nav-logo img { height: 2.2em; width: auto; }
.ahoy-nav-links { display: flex; gap: 1.5rem; }
.ahoy-nav-links a {
  color: var(--color-text-sec);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}
.ahoy-nav-links a:hover { color: var(--color-text); }

/* Hero */
.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 5rem 2rem 3rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.hero h1 span { color: var(--color-accent); }
.hero p {
  font-size: 1.1rem;
  color: var(--color-text-sec);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

/* Input Box */
.rip-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.rip-form { display: flex; gap: 0.75rem; }
.rip-input {
  flex: 1;
  background: var(--color-surface-el);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  transition: border-color var(--transition);
}
.rip-input::placeholder { color: var(--color-text-ter); }
.rip-input:focus { border-color: var(--color-accent); outline: none; }
.rip-btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.8rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  font-family: var(--font-sans);
  white-space: nowrap;
}
.rip-btn:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.rip-btn:active { transform: translateY(0); }
.rip-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.rip-hint {
  font-size: 0.8rem;
  color: var(--color-text-ter);
  margin-top: 0.75rem;
  text-align: left;
}
.rip-hint a { color: var(--color-text-sec); }
.rip-hint a:hover { color: var(--color-accent); }

/* Supported Sites */
.sites-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 1rem;
}
.site-badge {
  background: var(--color-surface-el);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0.25rem 0.7rem;
  font-size: 0.75rem;
  color: var(--color-text-sec);
  transition: border-color var(--transition), color var(--transition);
}
.site-badge:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Progress */
.rip-progress {
  display: none;
  text-align: center;
  padding: 1.5rem;
}
.rip-progress.active { display: block; }
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes progress-indeterminate {
  0% { transform: translateX(-100%) scaleX(0.5); }
  50% { transform: translateX(50%) scaleX(0.5); }
  100% { transform: translateX(200%) scaleX(0.5); }
}
.progress-text { color: var(--color-text-sec); font-size: 0.9rem; }
.progress-bar-wrap {
  background: var(--color-surface-el);
  border-radius: 4px;
  height: 6px;
  margin-top: 0.75rem;
  overflow: hidden;
}
.progress-bar-fill {
  background: var(--color-accent);
  height: 100%;
  width: 40%;
  transition: none;
  border-radius: 4px;
  animation: progress-indeterminate 1.4s ease-in-out infinite;
}

/* Download in-progress overlay on format card */
.format-card.downloading {
  opacity: 0.75;
  pointer-events: none;
  position: relative;
}
.format-card.downloading::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid var(--color-accent);
  animation: pulse-border 1s ease-in-out infinite;
}
@keyframes pulse-border {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Results */
.rip-results { display: none; }
.rip-results.active { display: block; }
.results-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  text-align: left;
}
.results-thumb {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}
.results-info { flex: 1; min-width: 0; }
.results-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.results-title .check { color: var(--color-success); }
.results-sub {
  font-size: 0.825rem;
  color: var(--color-text-sec);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}
.format-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color var(--transition), transform var(--transition);
  text-decoration: none;
  color: var(--color-text);
  cursor: pointer;
}
.format-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  color: var(--color-text);
}
.format-card:active { transform: translateY(0); }
.format-ext {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.format-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}
.format-meta {
  font-size: 0.8rem;
  color: var(--color-text-sec);
}
.format-group-header {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-ter);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.25rem;
  grid-column: 1 / -1;
}
.format-group-sep {
  grid-column: 1 / -1;
  height: 1px;
  background: var(--color-border);
  margin: 0.5rem 0;
}
.format-size {
  font-size: 0.75rem;
  color: var(--color-text-ter);
  margin-top: auto;
}
.rip-again {
  background: var(--color-surface-el);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  margin-top: 1.5rem;
}
.rip-again:hover { border-color: var(--color-accent); }

/* Error */
.rip-error {
  display: none;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  color: var(--color-error);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.rip-error.active { display: block; }

/* VPN Banner */
.vpn-banner {
  background: var(--color-accent-sub);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-top: 2.5rem;
  text-align: center;
}
.vpn-banner p {
  font-size: 0.875rem;
  color: var(--color-text-sec);
  margin-bottom: 0.5rem;
}
.vpn-banner strong { color: var(--color-text); }
.vpn-btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-md);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 0.25rem;
  transition: background var(--transition);
}
.vpn-btn:hover { background: var(--color-accent-hover); color: #fff; }

/* Features */
.features { max-width: 900px; margin: 4rem auto; padding: 0 2rem; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 2rem;
}
.feature-card {
  background: var(--color-surface);
  padding: 1.5rem;
  cursor: default;
  transition: background var(--transition);
}
.feature-card:hover { background: var(--color-surface-el); }
.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.feature-card p { font-size: 0.85rem; color: var(--color-text-sec); line-height: 1.6; }

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-ter);
  font-size: 0.8rem;
}
footer a { color: var(--color-text-sec); text-decoration: none; }
footer a:hover { color: var(--color-accent); }

/* Responsive */
@media (max-width: 600px) {
  .rip-form { flex-direction: column; }
  .rip-input { max-width: 100%; font-size: 0.9rem; }
  .rip-btn { width: 100%; padding: 0.85rem; font-size: 1rem; }
  .ahoy-nav { padding: 1rem; }
  .ahoy-nav-links { gap: 1rem; }
  .hero { padding: 3rem 1rem 2rem; }
  .hero p { font-size: 1rem; }
  .features-grid { grid-template-columns: 1fr; }
  .format-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .spinner { width: 28px; height: 28px; }
}

/* Tablet refinement — prevent squished inputs on narrow landscape tablets */
@media (min-width: 601px) and (max-width: 768px) {
  .rip-input { min-width: 0; flex: 1 1 0; }
  .format-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}