:root {
  --bg: #f7fafc;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --danger: #ef4444;
  --success: #16a34a;
  --border: #e5e7eb;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(800px 400px at 0% 0%, rgba(37, 99, 235, 0.08), transparent 60%),
    radial-gradient(800px 400px at 100% 0%, rgba(16, 185, 129, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.container {
  max-width: 1100px;
  margin: 40px auto;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.header h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.3px;
}
.header a {
  color: var(--muted);
  text-decoration: none;
}
.header a:hover {
  color: var(--text);
}

.form {
  display: grid;
  gap: 16px;
}
.grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
label {
  color: var(--muted);
  font-size: 13px;
}

input[type="text"], input[type="password"], textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
input[type="text"]:focus, input[type="password"]:focus, textarea:focus {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}
textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  color: white;
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}
button:hover {
  filter: brightness(1.05);
}

.actions {
  grid-column: 1 / -1;
}

.alert, .success {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #7f1d1d;
  margin-bottom: 12px;
}
.success {
  background: rgba(22, 163, 74, 0.08);
  border-color: rgba(22, 163, 74, 0.2);
  color: #064e3b;
}

.hint {
  margin-top: 24px;
  color: var(--muted);
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

pre {
  background: #f8fafc;
  color: #0f172a;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: auto;
}

/* Auth page centering */
.page-center {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.auth-card h1 {
  margin: 0 0 8px 0;
  font-size: 22px;
}
.auth-subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 16px;
}

/* Chips and lists */
.section-title {
  margin: 8px 0;
  font-size: 18px;
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
}
.chip button {
  background: transparent;
  border: none;
  color: #ef4444;
  font-weight: 700;
  cursor: pointer;
  padding: 0 4px;
}
.chip button:hover {
  color: #b91c1c;
}

select {
  width: 100%;
  padding: 12px 14px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
}