:root {
  color-scheme: dark;
  --bg: #09111f;
  --panel: rgba(15, 27, 47, .86);
  --panel-2: rgba(18, 34, 59, .82);
  --line: rgba(154, 190, 233, .18);
  --text: #edf4ff;
  --muted: #9fb2cc;
  --accent: #8bdcff;
  --accent-2: #b8a3ff;
  --danger: #ff9eaa;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(139, 220, 255, .16), transparent 34rem),
    radial-gradient(circle at 90% 20%, rgba(184, 163, 255, .14), transparent 30rem),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .2;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 80px; position: relative; }
.panel { background: linear-gradient(145deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 24px 80px rgba(0,0,0,.22); padding: 28px; backdrop-filter: blur(18px); }
.login-panel { width: min(460px, 100%); margin: 9vh auto 0; }
.topbar { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; margin-bottom: 28px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -.055em; }
h2 { margin-bottom: 0; font-size: 1.3rem; letter-spacing: -.025em; }
.eyebrow { color: var(--accent); font-size: .72rem; letter-spacing: .18em; font-weight: 700; }
.muted, .hint { color: var(--muted); line-height: 1.65; }
.hint { font-size: .85rem; margin: 8px 0 0; }
.notice { margin: 0 0 22px; padding: 14px 18px; border: 1px solid rgba(139,220,255,.28); border-radius: 16px; color: #d6efff; background: rgba(40, 105, 143, .18); line-height: 1.7; }
code { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; }
.stack, .form-grid, label { display: grid; gap: 10px; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.span-2 { grid-column: span 2; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
label { color: #d8e5f7; font-size: .88rem; margin: 0 0 14px; }
input, textarea { width: 100%; border: 1px solid rgba(173, 204, 237, .2); border-radius: 12px; color: var(--text); background: rgba(4, 11, 23, .48); padding: 12px 13px; font: inherit; outline: none; transition: border-color .2s, box-shadow .2s; }
textarea { resize: vertical; line-height: 1.6; }
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(139,220,255,.13); }
button { border: 0; border-radius: 12px; padding: 12px 18px; color: var(--text); font: inherit; font-weight: 700; cursor: pointer; transition: transform .2s, filter .2s, background .2s; }
button:hover { transform: translateY(-1px); filter: brightness(1.08); }
.primary { background: linear-gradient(110deg, #52c9ee, #9785ff); color: #071323; }
.ghost { border: 1px solid var(--line); background: transparent; }
.actions { display: flex; justify-content: flex-end; align-items: center; gap: 18px; padding: 2px 4px; }
.error { color: var(--danger); min-height: 1.5em; margin: 0; }
.hidden { display: none !important; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 22px; }

@media (max-width: 760px) {
  .shell { width: min(100% - 20px, 620px); padding-top: 24px; }
  .form-grid, .two-col { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .panel { padding: 21px; border-radius: 20px; }
  .topbar { align-items: flex-start; }
  .actions { align-items: stretch; flex-direction: column-reverse; }
  .actions button { width: 100%; }
}