:root {
  --bg: #0b0f14;
  --bg-2: #121820;
  --ink: #e8eef6;
  --muted: #8b97a8;
  --line: #1e2833;
  --accent: #067ff8;
  --accent-ink: #f4f8ff;
  --accent-soft: color-mix(in srgb, #067ff8 18%, transparent);
  --danger: #f07178;
  --ok: #3ecf8e;
  --radius: 10px;
  --font: "DM Sans", sans-serif;
  --display: "Instrument Serif", Georgia, serif;
  --pad: clamp(0.85rem, 3.5vw, 1.5rem);
  --touch: 44px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 520px at 8% -8%, color-mix(in srgb, #067ff8 22%, transparent) 0%, transparent 55%),
    radial-gradient(800px 480px at 100% 0%, #152033 0%, transparent 48%),
    var(--bg);
  padding-bottom: env(safe-area-inset-bottom);
  overflow-x: hidden;
}

.auth-body {
  display: grid;
  place-items: center;
  padding: max(1rem, env(safe-area-inset-top)) var(--pad) max(1.5rem, env(safe-area-inset-bottom));
  min-height: 100dvh;
}

.auth-card {
  width: min(420px, 100%);
  padding: clamp(1.25rem, 4vw, 2rem);
  background: color-mix(in srgb, var(--bg-2) 94%, black);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 0 0 1px color-mix(in srgb, #067ff8 8%, transparent);
}

.brand {
  font-family: var(--display);
  font-size: clamp(1.65rem, 5vw, 2rem);
  margin: 0;
  letter-spacing: 0.02em;
  color: var(--ink);
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 400;
  margin: 0.25rem 0 0.75rem;
  font-size: clamp(1.35rem, 4.5vw, 1.85rem);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.85rem;
  margin: 0.15rem 0 0;
  overflow-wrap: anywhere;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: max(0.85rem, env(safe-area-inset-top)) var(--pad) 0.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.85rem var(--pad);
  max-width: 1100px;
  margin: 0 auto;
}

.tab {
  flex: 1 1 auto;
  min-height: var(--touch);
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  font: inherit;
  touch-action: manipulation;
}

.tab.active {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.panel {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--pad) max(2.5rem, env(safe-area-inset-bottom));
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: 0.85rem;
}

.model-card {
  text-align: left;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  min-height: var(--touch);
  color: inherit;
  cursor: pointer;
  font: inherit;
  touch-action: manipulation;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.model-card:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 0 1px var(--accent-soft);
  transform: translateY(-1px);
}

.model-card:active {
  transform: scale(0.99);
}

.model-card strong {
  display: block;
  margin-bottom: 0.35rem;
}

.model-card span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.gen-form {
  margin-top: 1.25rem;
  padding: clamp(1rem, 3vw, 1.25rem);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.form-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.fields {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

label.check {
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: var(--touch);
}

label.check input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--accent);
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="file"],
textarea,
select {
  width: 100%;
  max-width: 100%;
  min-height: var(--touch);
  padding: 0.7rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #0a0e13;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="file"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

input[type="file"] {
  padding: 0.55rem;
}

textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.4;
}

button[type="submit"],
button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--touch);
  margin-top: 0.65rem;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
}

button[type="submit"]:hover,
button.primary:hover {
  background: color-mix(in srgb, #067ff8 88%, white);
}

button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  touch-action: manipulation;
  white-space: nowrap;
}

.ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  color: #9cc9ff;
}

.error {
  color: var(--danger);
  margin-top: 0.75rem;
  overflow-wrap: anywhere;
}

#gen-status {
  overflow-wrap: anywhere;
}

.result {
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}

.result img,
.result video,
.history-item img,
.history-item video {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: min(70vh, 520px);
  object-fit: contain;
  background: #070a0e;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.result-actions .ghost,
.result-actions a.ghost {
  flex: 1 1 calc(50% - 0.5rem);
  min-width: 8.5rem;
}

.history-list {
  display: grid;
  gap: 0.85rem;
}

.history-item {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: clamp(0.85rem, 3vw, 1rem);
  display: grid;
  gap: 0.65rem;
}

.history-item p {
  margin: 0;
  overflow-wrap: anywhere;
}

.history-item .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge.ok {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 40%, var(--line));
}

.badge.bad {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, var(--line));
}

@media (max-width: 640px) {
  .top .small {
    display: none;
  }

  .tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
  }

  .tab {
    padding: 0.55rem 0.35rem;
    font-size: 0.92rem;
    text-align: center;
  }

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

  .form-head {
    flex-direction: column;
    align-items: stretch;
  }

  .form-head .ghost {
    width: 100%;
  }

  .result-actions .ghost,
  .result-actions a.ghost {
    flex: 1 1 100%;
  }

  .history-item .meta {
    gap: 0.4rem 0.6rem;
  }
}

@media (max-width: 380px) {
  .brand {
    font-size: 1.45rem;
  }

  .tab {
    font-size: 0.85rem;
  }
}

@media (hover: none) {
  .model-card:hover {
    transform: none;
    box-shadow: none;
  }
}