:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface2: #334155;
  --border: #475569;
  --text: #f1f5f9;
  --text-dim: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --green: #4ade80;
  --yellow: #facc15;
  --red: #f87171;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans TC', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}
.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a {
  color: var(--text-dim);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--surface2);
  text-decoration: none;
}
.nav-user {
  color: var(--text-dim);
  font-size: 0.875rem;
}

/* Container */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent);
}

/* Progress bar */
.progress-wrap {
  margin-bottom: 1.5rem;
}
.progress-bar-bg {
  background: var(--surface2);
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}
.progress-bar-fill {
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  height: 100%;
  border-radius: 999px;
  transition: width 0.5s;
}
.progress-text {
  text-align: center;
  margin-top: 0.5rem;
  color: var(--text-dim);
  font-size: 0.875rem;
}

/* Timeline */
.timeline { list-style: none; position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--border);
}
.timeline li {
  position: relative;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.timeline li::before {
  content: '';
  position: absolute;
  left: -1.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--bg);
}
.timeline li.done::before { background: var(--green); }
.timeline li.active::before { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.timeline li.pending::before { background: var(--surface2); }
.tl-icon { font-size: 1rem; flex-shrink: 0; }
.tl-name { flex: 1; }
.tl-date { color: var(--text-dim); font-size: 0.8rem; }

/* Phase header */
.phase-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}
.phase-title { font-size: 1rem; font-weight: 600; }
.phase-duration { color: var(--text-dim); font-size: 0.8rem; }

/* Login */
.login-wrap {
  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: 16px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
}
.login-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.login-subtitle {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}
.form-group input, .form-group select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  width: 100%;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
.btn-danger { background: var(--red); color: white; }
.btn-success { background: var(--green); color: var(--bg); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.error {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid var(--red);
  color: var(--red);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.success {
  background: rgba(74, 222, 128, 0.15);
  border: 1px solid var(--green);
  color: var(--green);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

/* Table */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
th, td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th { color: var(--text-dim); font-weight: 600; }
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-active { background: rgba(74, 222, 128, 0.2); color: var(--green); }
.badge-inactive { background: rgba(248, 113, 113, 0.2); color: var(--red); }

/* Footer */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Query page */
.coming-soon {
  text-align: center;
  padding: 3rem 1rem;
}
.coming-soon-icon { font-size: 3rem; margin-bottom: 1rem; }
.coming-soon-text { color: var(--text-dim); font-size: 1rem; }

/* Responsive */
@media (max-width: 640px) {
  .container { padding: 1rem; }
  .card { padding: 1rem; }
  .nav { padding: 0.5rem 1rem; }
  .phase-header { flex-direction: column; gap: 0.25rem; }
}