@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Syne:wght@400;700;800&display=swap');

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #222222;
  --accent: #c8f135;
  --accent-dim: #8aaa1f;
  --text: #e8e8e8;
  --muted: #555555;
  --error: #ff4d4d;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Syne', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.container {
  width: 100%;
  max-width: 560px;
}

header { margin-bottom: 3rem; }

.logo {
  font-size: 0.7rem;
  font-family: var(--mono);
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

h1 { font-size: 2.2rem; font-weight: 800; line-height: 1; color: var(--text); }
h1 span { color: var(--accent); }

input[type="password"] {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.7rem 1rem;
  width: 100%;
  margin-bottom: 1.5rem;
  outline: none;
  transition: border-color 0.15s;
}

input:focus { border-color: var(--accent); }

.drop-zone {
  border: 1px dashed var(--border);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
  margin-bottom: 1rem;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(200, 241, 53, 0.03);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-icon { font-size: 2rem; margin-bottom: 0.75rem; display: block; }

.drop-label { font-size: 0.85rem; color: var(--muted); font-family: var(--mono); }

.drop-label strong {
  color: var(--text);
  display: block;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.file-selected {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background: rgba(200, 241, 53, 0.05);
  border-left: 2px solid var(--accent);
  display: none;
}

.actions { display: grid; grid-template-columns: 1fr auto; gap: 0.75rem; }

button {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.8rem 1.5rem;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

button:active { transform: scale(0.98); }
button:disabled { opacity: 0.3; cursor: not-allowed; }

.btn-sync { background: var(--accent); color: #0a0a0a; }
.btn-sync:hover:not(:disabled) { background: #d6f84d; }

.btn-rollback {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 0.75rem;
}

.btn-rollback:hover:not(:disabled) { border-color: var(--error); color: var(--error); }

.status { margin-top: 1.5rem; font-family: var(--mono); font-size: 0.78rem; display: none; }
.status.show { display: block; }

.status-line { padding: 0.75rem 1rem; border-left: 2px solid var(--border); }

.status.loading .status-line {
  border-color: var(--muted);
  color: var(--muted);
  animation: blink 1s infinite;
}

.status.success .status-line { border-color: var(--accent); color: var(--accent); }
.status.error .status-line { border-color: var(--error); color: var(--error); }

.commit-hash { color: var(--muted); font-size: 0.7rem; margin-top: 0.25rem; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}