:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8b93a1;
  --accent: #4f8cff;
  --accent-hover: #6ba0ff;
  --danger: #e5534b;
  --success: #4caf7d;
  --radius: 10px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 0.875rem; }
.error { color: var(--danger); font-size: 0.875rem; }

h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 0.25rem; }
h3 { font-size: 0.95rem; margin: 1.25rem 0 0.5rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
button.ghost:hover { color: var(--text); border-color: var(--muted); }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
button.danger:hover { background: var(--danger); color: #fff; }

/* ---- Login ---- */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-card .tagline { color: var(--muted); margin: 0.5rem 0 2rem; font-size: 0.9rem; }
.login-card form { display: flex; flex-direction: column; text-align: left; gap: 0.35rem; }
.login-card label { font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }
.login-card input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button { margin-top: 1.25rem; }

/* ---- App layout ---- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ---- Upload ---- */
#dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color 0.15s, background 0.15s;
}
#dropzone:hover, #dropzone:focus, #dropzone.dragover {
  border-color: var(--accent);
  background: var(--surface-2);
  outline: none;
}
#dropzone p { margin: 0.5rem 0 0; }
#dropzone strong { color: var(--text); }

#upload-progress { margin-top: 1rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.progress-track {
  flex: 1 1 200px;
  height: 8px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.15s;
}

/* ---- Detail / streams ---- */
.detail-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.detail-actions { display: flex; gap: 0.5rem; }

#stream-list, #video-list { list-style: none; margin: 0; padding: 0; }
#stream-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  background: var(--surface-2);
}
.stream-info { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.stream-name { font-weight: 600; }
.badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.badge {
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge.lang { border-color: var(--accent); color: var(--accent); }
.badge.warn { border-color: var(--danger); color: var(--danger); }

/* ---- Result ---- */
.result-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.result-actions { display: flex; gap: 0.5rem; }
#result-text {
  width: 100%;
  height: 320px;
  margin-top: 0.75rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  resize: vertical;
}
#result-text:focus { outline: none; border-color: var(--accent); }

/* ---- Library ---- */
#video-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.15s;
}
#video-list li:hover { border-color: var(--accent); }
.video-info { display: flex; flex-direction: column; min-width: 0; }
.video-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.video-expiry { text-align: right; flex-shrink: 0; }

@media (max-width: 560px) {
  main { padding: 1rem; }
  section { padding: 1rem; }
  .video-expiry { display: none; }
}