:root {
  color-scheme: dark;
  --bg: #0c0e12;
  --surface: #151820;
  --surface-2: #1d212b;
  --text: #f2f4f8;
  --muted: #9ca4b3;
  --line: #2c3240;
  --accent: #c63845;
  --accent-hover: #dd4654;
  --danger: #8f2530;
  --radius: 14px;
}

* { box-sizing: border-box; }

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

button, input { font: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px max(18px, env(safe-area-inset-right)) 16px max(18px, env(safe-area-inset-left));
  background: rgba(12, 14, 18, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
.eyebrow { color: var(--accent-hover); font-size: .72rem; font-weight: 800; letter-spacing: .18em; }

.container {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 20px 16px calc(40px + env(safe-area-inset-bottom));
}

.panel, .song-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel { padding: 18px; margin-bottom: 22px; }
.panel-head, .library-head, .song-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel-head p, .library-head p, .recording-count, .recording-meta { color: var(--muted); }

.form-row, .upload-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}
.form-row { grid-template-columns: 1fr auto; align-items: end; }
.upload-form { grid-template-columns: repeat(2, 1fr); }
.upload-form label:last-of-type { grid-column: 1 / -1; }

label { display: grid; gap: 7px; color: var(--muted); font-size: .9rem; }
input {
  width: 100%;
  padding: 12px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
}
input:focus { outline: 2px solid var(--accent); border-color: transparent; }

.button {
  min-height: 42px;
  padding: 10px 15px;
  color: white;
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
.button:hover { background: var(--accent-hover); }
.button:disabled { opacity: .55; cursor: wait; }
.button.secondary { background: var(--surface-2); border: 1px solid var(--line); }
.button.danger { background: var(--danger); }

.library-head { margin-bottom: 14px; }
.songs { display: grid; gap: 16px; }
.song-card { overflow: hidden; }
.song-header { padding: 16px 18px; border-bottom: 1px solid var(--line); }
.recordings { display: grid; }
.recording {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(240px, 2fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
}
.recording:first-child { border-top: 0; }
.recording-info { display: grid; gap: 4px; min-width: 0; }
.recording-title { overflow-wrap: anywhere; }
.audio-player { width: 100%; height: 42px; }

.message {
  padding: 12px 14px;
  margin-bottom: 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.message.error { border-color: var(--danger); }
.empty { padding: 30px 18px; text-align: center; color: var(--muted); }
progress { width: 100%; grid-column: 1 / -1; }
.hidden { display: none !important; }

@media (max-width: 700px) {
  .upload-form, .form-row { grid-template-columns: 1fr; }
  .recording { grid-template-columns: 1fr; }
  .delete-button { justify-self: start; }
  .song-header { align-items: flex-start; }
}