:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #e8eaed;
  --text-dim: #9aa0ab;
  --accent: #4f8cff;
  --accent-dim: #2e5bb8;
  --danger: #e5484d;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Login */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  width: 320px;
}
.login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.3rem;
}
.subtitle {
  color: var(--text-dim);
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
}
.login-card label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--text-dim);
}
.login-card input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 1rem;
}
.login-card button {
  width: 100%;
  padding: 0.65rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}
.login-card button:hover {
  background: var(--accent-dim);
}
.error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* Dashboard */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}
.topbar h1 {
  font-size: 1.1rem;
  margin: 0;
}
.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
}
.ghost-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.dashboard {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.app-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s;
}
.app-card:hover {
  border-color: var(--accent);
}
.app-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}
.app-card p {
  margin: 0 0 1rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.app-card .launch {
  color: var(--accent);
  font-size: 0.9rem;
}

.storage-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.storage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.storage-header h2 {
  margin: 0;
  font-size: 1.05rem;
}
#usage-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
#usage-bar {
  width: 160px;
  height: 8px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}
#usage-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
}
#usage-text {
  font-size: 0.8rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.tab {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
}
.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.subtabs .tab {
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  cursor: pointer;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.drop-zone.dragover {
  border-color: var(--accent);
  color: var(--text);
}

.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.file-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.8rem;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.file-table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.file-table a,
.file-table button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  margin-right: 0.75rem;
  text-decoration: none;
}
.file-table button.delete {
  color: var(--danger);
}
.empty-state {
  color: var(--text-dim);
  font-size: 0.9rem;
  text-align: center;
  padding: 1rem;
}