.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.app-header .logo {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--amber);
  text-transform: uppercase;
  font-weight: 700;
}
.app-header .user-info {
  font-size: 13px;
  color: var(--subtext);
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.app-nav a { color: var(--subtext); }
.app-nav a:hover { color: var(--text); text-decoration: none; }
.app-nav .sep { color: var(--dim); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
}
.page-header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.page-header .subtitle {
  color: var(--subtext);
  font-size: 14px;
  margin-top: 4px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.track-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.track-row {
  display: grid;
  grid-template-columns: 1fr 100px 80px 140px 100px;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.track-row:hover { border-color: var(--amber); }
.track-row .track-title { font-weight: 500; }
.track-row .track-meta {
  font-size: 12px;
  color: var(--subtext);
  font-family: var(--mono);
}

.version-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.version-row {
  display: grid;
  grid-template-columns: 60px 1fr 100px 120px 140px 100px;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.version-row .version-num {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--amber);
}

.sidebar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.sidebar h3 {
  font-size: 12px;
  color: var(--subtext);
  font-family: var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
}

.member-list { display: flex; flex-direction: column; gap: 8px; }
.member-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.member-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  color: var(--subtext);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--amber);
  background: rgba(245, 166, 35, 0.05);
}
.upload-zone input[type="file"] { display: none; }

.invite-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.invite-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.invite-card h1 {
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 3px;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.invite-card p { color: var(--subtext); font-size: 14px; margin-bottom: 24px; }
.invite-card .form-group { margin-bottom: 16px; text-align: left; }
.invite-card label {
  display: block;
  font-size: 11px;
  color: var(--dim);
  font-family: var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.invite-card input {
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 4px;
  text-align: center;
  text-transform: uppercase;
}
.invite-card .name-input {
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: normal;
  text-align: left;
  text-transform: none;
}
.invite-card .error { color: var(--red); font-size: 13px; margin-top: 8px; }

@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
  .track-row { grid-template-columns: 1fr auto; }
  .track-row .track-meta:nth-child(n+4) { display: none; }
  .version-row { grid-template-columns: 50px 1fr auto; }
  .version-row > :nth-child(n+4) { display: none; }
  .grid { grid-template-columns: 1fr; }
  .container { padding: 16px; }
  .page-header { flex-direction: column; gap: 12px; }
}