:root {
  color-scheme: light;
  --ink: #172031;
  --muted: #667085;
  --line: #d9e0ea;
  --paper: #ffffff;
  --canvas: #f3f6fa;
  --brand: #145b47;
  --brand-dark: #0c4233;
  --danger-bg: #fff1f1;
  --danger: #9f2525;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: "Nirmala UI", "Tunga", "Noto Sans Kannada", "Segoe UI", sans-serif; }
a { color: inherit; }
.app-header { min-height: 64px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; background: #102e27; color: white; box-shadow: 0 2px 12px #102e2730; }
.brand { font-size: 20px; font-weight: 800; text-decoration: none; letter-spacing: .04em; }
.user-strip { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.user-strip form { margin: 0; }
.link-button { color: white; background: transparent; border: 1px solid #ffffff70; border-radius: 7px; padding: 7px 11px; cursor: pointer; }
.page-shell { width: min(1500px, calc(100% - 36px)); margin: 28px auto 60px; }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 22px; }
.page-heading h1, .auth-card h1 { margin: 0 0 6px; }
.page-heading p, .auth-card p { margin: 0; color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.form-card, .selection-card, .auth-card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 8px 28px #17203110; }
.form-card { padding: 22px; }
.form-card h2 { margin: 18px 0 8px; }
.form-card p { color: var(--muted); min-height: 48px; }
.form-card.muted { opacity: .7; }
.status-pill { display: inline-block; padding: 4px 9px; border-radius: 999px; background: #eef1f5; color: #586174; font-size: 12px; font-weight: 700; }
.status-pill.ready { background: #e4f5ed; color: #176445; }
.button, button.primary { display: inline-block; border: 0; border-radius: 8px; padding: 10px 15px; text-decoration: none; font: inherit; font-weight: 700; cursor: pointer; }
.primary { background: var(--brand); color: white; }
.primary:hover { background: var(--brand-dark); }
.secondary { background: #e8edf3; color: var(--ink); }
.actions, .form-actions { display: flex; gap: 10px; align-items: center; }
.auth-card { width: min(440px, 100%); margin: 70px auto; padding: 30px; }
.stack-form, .selection-card { display: grid; gap: 18px; }
.stack-form { margin-top: 24px; }
.login-method { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin:0; padding:5px; border:1px solid var(--line); border-radius:10px; background:#f5f8f7; }
.login-method legend { padding:0 6px; color:var(--muted); font-size:13px; font-weight:700; }
.login-method label { display:flex; grid-template-columns:none; align-items:center; gap:7px; padding:9px 10px; border-radius:7px; background:white; border:1px solid #dce4e0; cursor:pointer; }
.login-method input { width:auto; margin:0; }
.login-select-fields { display:grid; gap:14px; padding:14px; border-radius:10px; background:#f5f8f7; border:1px solid var(--line); }
[hidden] { display:none !important; }
.selection-card { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 26px; }
.selection-card .form-actions { grid-column: 1 / -1; justify-content: flex-end; }
.selection-note { grid-column:1 / -1; padding:12px 14px; border-radius:8px; background:#eef6f2; color:#285747; font-size:14px; }
label { display: grid; gap: 7px; font-size: 14px; font-weight: 700; }
input, select { width: 100%; padding: 11px 12px; border: 1px solid #b9c3d1; border-radius: 8px; background: white; color: var(--ink); font: inherit; }
input:focus, select:focus { outline: 3px solid #2c8d6b25; border-color: var(--brand); }
.alert { padding: 13px 15px; margin: 18px 0; border-radius: 8px; line-height: 1.5; }
.alert.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f0caca; }
.alert.success { background:#e7f7ed; color:#176445; border:1px solid #b8dfc8; }
code { overflow-wrap: anywhere; }
@media (max-width: 720px) { .selection-card { grid-template-columns: 1fr; } .page-heading { align-items: stretch; flex-direction: column; } .user-strip span { display: none; } }