@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  color-scheme: light;
  --page: #fff;
  --subtle: #fafafa;
  --surface: #fff;
  --surface-muted: #f5f5f5;
  --text: #171719;
  --muted: #75757b;
  --line: #dedee2;
  --primary: #171719;
  --primary-hover: #303034;
  --primary-text: #fff;
  --danger: #a51d2d;
  --danger-bg: #fff5f5;
  --danger-text: #fff;
  --focus: rgba(23, 23, 25, .16);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --page: #080808;
  --subtle: #0b0b0b;
  --surface: #111;
  --surface-muted: #1b1b1b;
  --text: #f5f5f5;
  --muted: #9a9aa0;
  --line: #343434;
  --primary: #f5f5f5;
  --primary-hover: #dedede;
  --primary-text: #080808;
  --danger: #e5484d;
  --danger-bg: #351416;
  --danger-text: #fff;
  --focus: rgba(245, 245, 245, .18);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #080808;
    --subtle: #0b0b0b;
    --surface: #111;
    --surface-muted: #1b1b1b;
    --text: #f5f5f5;
    --muted: #9a9aa0;
    --line: #343434;
    --primary: #f5f5f5;
    --primary-hover: #dedede;
    --primary-text: #080808;
    --danger: #e5484d;
    --danger-bg: #351416;
    --danger-text: #fff;
    --focus: rgba(245, 245, 245, .18);
  }
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--page); color: var(--text); font: 400 14px/1.5 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-synthesis: none; }
a { color: inherit; }
.foundation-shell { min-height: calc(100vh - 64px); display: grid; grid-template-columns: minmax(520px, 1fr) minmax(520px, 1fr); }
.foundation-pane { min-width: 0; padding: clamp(40px, 6vw, 84px) clamp(36px, 8vw, 140px); border-right: 1px solid var(--line); }
.brand { display: inline-block; width: 116px; }
.brand img { display: block; width: 100%; }
html[data-theme="dark"] .brand img { filter: invert(1); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .brand img { filter: invert(1); } }
.foundation-art { background-color: var(--subtle); background-image: radial-gradient(circle, var(--line) 1px, transparent 1.1px); background-size: 18px 18px; }
.panel { width: min(520px, 100%); display: grid; gap: 12px; margin-top: clamp(48px, 8vh, 92px); }
.panel.wide { width: min(760px, 100%); }
.panel[hidden] { display: none !important; }
header { display: grid; gap: 10px; margin-bottom: 18px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(1.7rem, 3vw, 2.2rem); font-weight: 600; line-height: 1.15; letter-spacing: -.035em; }
h2 { font-size: 1rem; font-weight: 600; }
header p, .hint, .subpanel p { color: var(--muted); }
form, label { display: grid; gap: 7px; }
form { gap: 12px; }
label { color: var(--text); font-size: .82rem; font-weight: 600; }
input, select { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; }
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer; }
.button.primary { border-color: var(--primary); background: var(--primary); color: var(--primary-text); }
.button.primary:hover { border-color: var(--primary-hover); background: var(--primary-hover); }
.button.secondary:hover { border-color: var(--text); background: var(--surface-muted); }
.button.link { min-height: auto; border: 0; background: transparent; }
.button.danger { border-color: var(--danger); background: var(--danger); color: var(--danger-text); }
.button.compact { min-height: 38px; padding: 7px 10px; }
.button:disabled { opacity: .55; cursor: not-allowed; }
.inline-links, .button-row, .toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.inline-links { margin-top: 4px; }
.inline-links a { font-weight: 600; }
.hint { font-size: .78rem; }
.choice { display: grid; gap: 3px; width: 100%; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); text-align: left; cursor: pointer; }
.choice:hover { border-color: var(--text); }
.choice strong, strong { font-weight: 600; }
.choice span { color: var(--muted); }
.totp-secret, .subpanel, .danger-zone { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--subtle); }
.totp-secret code { overflow-wrap: anywhere; user-select: all; }
.subpanel { margin-top: 8px; background: var(--surface); }
.danger-zone { margin-top: 16px; border-color: var(--danger); background: var(--danger-bg); }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; }
.form-grid .button { align-self: end; }
.management-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.management-row:first-child { border-top: 0; }
.management-main { display: grid; gap: 2px; min-width: 0; }
.management-main span { color: var(--muted); overflow-wrap: anywhere; }
.management-actions { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.management-actions select { min-height: 38px; width: auto; }
.management-actions .button { min-height: 38px; padding: 7px 10px; }
.notice { position: fixed; left: 50%; bottom: 28px; z-index: 10; width: min(540px, calc(100% - 32px)); transform: translateX(-50%); padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); box-shadow: 0 12px 36px rgba(0,0,0,.16); }
.notice.error { border-color: var(--danger); color: var(--danger); }
.spinner { width: 22px; height: 22px; border: 2px solid var(--line); border-top-color: var(--text); border-radius: 50%; animation: spin .7s linear infinite; }
footer { min-height: 64px; display: flex; gap: 20px; justify-content: space-between; align-items: center; padding: 16px 28px; border-top: 1px solid var(--line); color: var(--muted); }
footer nav { display: flex; gap: 18px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 900px) { .foundation-shell { grid-template-columns: 1fr; } .foundation-pane { min-height: calc(100vh - 64px); border-right: 0; } .foundation-art { display: none; } }
@media (max-width: 600px) { .foundation-pane { padding: 28px 20px; } .form-grid { grid-template-columns: 1fr; } .toolbar, .button-row, footer { align-items: stretch; flex-direction: column; } footer nav { flex-wrap: wrap; } .management-row { grid-template-columns: 1fr; } .management-actions { justify-content: flex-start; } }