:root {
  color-scheme: dark;
  --bg: #0f1115;
  --card: #171a21;
  --border: #2a3140;
  --text: #eef2f7;
  --muted: #9aa4b2;
  --accent: #4f8cff;
  --danger: #ff6b6b;
  font-family: Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

.auth-card {
  width: min(420px, 100%);
}

h1, h2, h3 {
  margin: 0 0 8px;
}

.subtitle {
  color: var(--muted);
  margin: 0 0 16px;
}

label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 14px;
}

input, select, button {
  font: inherit;
}

input, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0c0e12;
  color: var(--text);
}

button {
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
}

button.secondary {
  background: #2a3140;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error {
  color: var(--danger);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.layout {
  display: grid;
  gap: 16px;
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.image-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}

.image-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.image-list img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 16px 0;
}

video, #processed-preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: 10px;
  object-fit: cover;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.status {
  margin-top: 12px;
  color: var(--muted);
}

.url-box {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.hint {
  color: var(--muted);
  font-size: 14px;
}