/* ADI Network Mapper — login screen ("Nocturne" dark design system).
   Standalone stylesheet for the split-panel auth entry point. */

:root {
  --color-bg: #161826;
  --color-surface: #232532;
  --color-text: #e9e9ed;
  --color-accent: #9184d9;
  --color-divider: color-mix(in srgb, #e9e9ed 16%, transparent);

  --color-accent-100: #f5f4ff;
  --color-accent-300: #d2cefd;
  --color-accent-400: #b5abfc;
  --color-accent-600: #796cbf;
  --color-accent-700: #5d5294;
  --color-accent-800: #423a6a;
  --color-accent-900: #2b2741;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --space-1: 2.8px;
  --space-2: 5.6px;
  --space-3: 8.4px;
  --space-4: 11.2px;
  --space-6: 16.8px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400;
  background: var(--color-bg); color: var(--color-text); font-family: var(--font-body);
}
h1, h2, h3 { font-family: var(--font-heading); font-weight: 500; line-height: 1.12; margin: 0; }
a { color: var(--color-accent); text-underline-offset: 3px; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* ── layout ─────────────────────────────────────────────────────────── */
.adi-login-root {
  display: flex; width: 100%; min-height: 100vh;
  background: var(--color-bg); color: var(--color-text);
}
.adi-login-left {
  position: relative; flex: 1.4; overflow: hidden;
  background: radial-gradient(120% 100% at 20% 15%, var(--color-accent-900) 0%, var(--color-bg) 55%);
}
.adi-login-left canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.adi-login-left .wall-fade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, transparent 0%, transparent 55%, var(--color-bg) 100%),
    linear-gradient(90deg, transparent 80%, var(--color-bg) 100%);
}
.adi-login-left .left-content {
  position: relative; z-index: 2; display: flex; flex-direction: column;
  justify-content: space-between; height: 100%; padding: 56px;
}
.left-copy { max-width: 460px; }
.left-copy .kicker {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-accent-300); margin-bottom: 14px;
}
.left-copy h1 { font-size: 34px; font-weight: 500; margin: 0 0 14px; letter-spacing: -0.02em; }
.left-copy p {
  font-size: 14px; line-height: 1.6; margin: 0;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
}

.adi-login-right {
  flex: 1; min-width: 360px; max-width: 560px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface); padding: 48px 40px; overflow-y: auto;
}
.auth-panel { width: 100%; max-width: 340px; display: flex; flex-direction: column; gap: var(--space-6); }
.auth-panel .panel-logo { display: flex; justify-content: center; }
.auth-panel .panel-head { text-align: center; }
.auth-panel .panel-head h2 { font-size: 25px; margin: 0 0 6px; }
.auth-panel .panel-head p {
  font-size: 13.5px; margin: 0;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

/* ── logo (full variant = icon + wordmark) ──────────────────────────── */
.adi-logo { display: inline-flex; align-items: center; gap: 15px; }
.adi-logo .mark { display: block; flex: none; }
.adi-logo .wordmark {
  line-height: 1; font-family: var(--font-heading); font-weight: 600; font-size: 23px;
  letter-spacing: -0.01em; white-space: nowrap;
}
.adi-logo .wordmark .brand { color: var(--color-text); }
.adi-logo .wordmark .sub { color: var(--color-accent-300); font-weight: 500; }
.adi-logo.on-dark { filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.4)); }

/* ── forms ──────────────────────────────────────────────────────────── */
.auth-form { display: flex; flex-direction: column; gap: var(--space-4); }
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit; font-size: 14px;
  color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline: none; }

/* ── buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none; font-family: var(--font-heading);
  font-weight: 500; font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2); border-radius: var(--radius-md);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-block { width: 100%; }

/* ── divider / footer ───────────────────────────────────────────────── */
.or-row {
  display: flex; align-items: center; gap: var(--space-3); font-size: 12px;
  color: color-mix(in srgb, var(--color-text) 40%, transparent);
}
.or-row .rule { flex: 1; height: 1px; background: var(--color-divider); }
.auth-footer {
  text-align: center; font-size: 12.5px; margin: 0;
  color: color-mix(in srgb, var(--color-text) 45%, transparent);
}

/* ── form messages ──────────────────────────────────────────────────── */
.msg { font-size: 12.5px; margin: 0; min-height: 1em; }
.msg.error { color: #e8874a; }
.msg.success { color: var(--color-accent-300); }
.muted-note { font-size: 12.5px; color: color-mix(in srgb, var(--color-text) 45%, transparent); }

/* ── MFA setup panel ────────────────────────────────────────────────── */
.mfa-setup { display: flex; flex-direction: column; gap: var(--space-4); }
.mfa-setup .hr { height: 1px; border: 0; margin: 0; background: var(--color-divider); }
.mfa-setup h3 { font-size: 17px; }
.qr {
  display: block; margin: 0 auto; width: 180px; height: 180px;
  background: #fff; border-radius: var(--radius-md); padding: 8px;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px;
  background: var(--color-accent-900); padding: 2px 6px; border-radius: var(--radius-sm);
}
.hidden { display: none !important; }

@media (max-width: 900px) {
  .adi-login-left { display: none; }
  .adi-login-right { max-width: none; }
}