/* Crystalix design tokens and shared components ("Control Room" style). */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;600;700&display=swap');

:root {
  --bg: #f3f2f7; --surface: #ffffff; --surface-2: #ebe9f1;
  --ink: #15131c; --ink-soft: #4d495b; --ink-faint: #7d7990;
  --line: #dcd9e4; --line-strong: #15131c;
  --invert-bg: #15131c; --invert-ink: #f3f2f7;
  --danger: #b3261e; --ok: #2e6b3a;
  --hue: #6a4be0;
  --glass: rgba(243, 242, 247, .82);
  --spectrum: linear-gradient(90deg, #2fa9e0, #3d4ff2, #4a3fd6, #8b3fe0, #cc33cc, #e85fd0);
  --grad: var(--spectrum);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0c12; --surface: #15141c; --surface-2: #1d1b26;
    --ink: #eeecf3; --ink-soft: #b0acbd; --ink-faint: #7c788e;
    --line: #2a2835; --line-strong: #eeecf3;
    --invert-bg: #eeecf3; --invert-ink: #0d0c12;
    --danger: #f08b80; --ok: #8fcf99;
    --hue: #b39bff;
    --glass: rgba(13, 12, 18, .74);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0d0c12; --surface: #15141c; --surface-2: #1d1b26;
  --ink: #eeecf3; --ink-soft: #b0acbd; --ink-faint: #7c788e;
  --line: #2a2835; --line-strong: #eeecf3;
  --invert-bg: #eeecf3; --invert-ink: #0d0c12;
  --danger: #f08b80; --ok: #8fcf99;
  --hue: #b39bff;
  --glass: rgba(13, 12, 18, .74);
  color-scheme: dark;
}

/* Per-app accent hue (set via body[data-app]). */
[data-app="mail"]     { --hue: #0b7bad; }
[data-app="market"]   { --hue: #2f3fe0; }
[data-app="klar"]     { --hue: #7a2fd0; }
[data-app="forums"]   { --hue: #bb3199; }
[data-app="database"] { --hue: #2e6b3a; }
[data-app="wiki"]     { --hue: #8b3fe0; }
[data-app="admin"]    { --hue: #56526a; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) [data-app="mail"]     { --hue: #5cc6f2; }
  :root:not([data-theme="light"]) [data-app="market"]   { --hue: #8591ff; }
  :root:not([data-theme="light"]) [data-app="klar"]     { --hue: #b98af5; }
  :root:not([data-theme="light"]) [data-app="forums"]   { --hue: #f28ad6; }
  :root:not([data-theme="light"]) [data-app="database"] { --hue: #8fcf99; }
  :root:not([data-theme="light"]) [data-app="wiki"]     { --hue: #c79bff; }
  :root:not([data-theme="light"]) [data-app="admin"]    { --hue: #b0acbd; }
}
:root[data-theme="dark"] [data-app="mail"]     { --hue: #5cc6f2; }
:root[data-theme="dark"] [data-app="market"]   { --hue: #8591ff; }
:root[data-theme="dark"] [data-app="klar"]     { --hue: #b98af5; }
:root[data-theme="dark"] [data-app="forums"]   { --hue: #f28ad6; }
:root[data-theme="dark"] [data-app="database"] { --hue: #8fcf99; }
:root[data-theme="dark"] [data-app="wiki"]     { --hue: #c79bff; }
:root[data-theme="dark"] [data-app="admin"]    { --hue: #b0acbd; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font-family: inherit; color: inherit; }
a { color: inherit; }
::selection { background: var(--ink); color: var(--bg); }

.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }
.label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Logo + wordmark + gradient rule */
.mark { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.mark img { width: 24px; height: 24px; }
.mark span { font-family: "Chakra Petch", sans-serif; font-weight: 800; font-size: 14px; letter-spacing: .02em; }
.markline { height: 2px; width: 48px; background: var(--grad); }

/* Buttons */
.btn {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  letter-spacing: .03em;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--ink);
  padding: 9px 16px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--ink); color: var(--bg); }
/* Primary buttons carry a clipped top-left corner in the accent hue. */
.btn.primary { background: linear-gradient(225deg, transparent 0 8px, var(--ink) 8px) border-box; color: var(--bg); border-color: transparent; }
.btn.primary:hover { background: linear-gradient(225deg, var(--hue) 0 8px, var(--ink) 8px) border-box; color: var(--bg); opacity: 1; }
.btn.quiet { border-color: var(--line); color: var(--ink-soft); }
.btn.quiet:hover { background: var(--surface-2); color: var(--ink); }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: var(--invert-ink); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:disabled:hover { background: none; color: var(--ink); }

button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* Form fields */
input[type="text"], input[type="email"], input[type="password"], textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  padding: 9px 11px;
  font-size: 13.5px;
}
textarea { resize: vertical; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12px; color: var(--ink-soft); }

.card { border: 1px solid var(--line); background: var(--surface); }

/* Flowing gradient background (see fluid.js). The blurred blobs are the
   fallback when WebGL is unavailable. */
#fluidbg { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--bg); }
#fluidbg canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#fluidbg span { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .6; }
#fluidbg .b1 { width: 70vw; height: 70vw; left: -18vw; top: -22vw; background: radial-gradient(circle, #3d4ff2 0%, transparent 78%); animation: fluid1 104s ease-in-out infinite alternate; }
#fluidbg .b2 { width: 64vw; height: 64vw; right: -20vw; top: -4vw; background: radial-gradient(circle, #8b3fe0 0%, transparent 78%); animation: fluid2 128s ease-in-out infinite alternate; }
#fluidbg .b3 { width: 68vw; height: 68vw; left: 10vw; bottom: -28vw; background: radial-gradient(circle, #e85fd0 0%, transparent 78%); animation: fluid1 88s ease-in-out infinite alternate-reverse; }
#fluidbg .b4 { width: 50vw; height: 50vw; left: -10vw; top: 24vw; background: radial-gradient(circle, #2fa9e0 0%, transparent 78%); animation: fluid2 96s ease-in-out infinite alternate-reverse; }
@keyframes fluid1 { 50% { transform: translate(6vw, 8vw) scale(1.12); } 100% { transform: translate(-4vw, 4vw) scale(.94); } }
@keyframes fluid2 { 50% { transform: translate(-8vw, 6vw) scale(.9); } 100% { transform: translate(4vw, -6vw) scale(1.1); } }

@media (prefers-reduced-motion: reduce) {
  #fluidbg span { animation: none; }
}

/* Full-page sign-in / password screens (used on /login and on section load errors) */
.btn.wide { width: 100%; }
.authpage { position: relative; z-index: 1; min-height: 100%; display: flex; align-items: center; justify-content: center; padding: 32px 16px; }
.authcard { width: 100%; max-width: 460px; padding: 38px; }
.authcard .mark { margin-bottom: 14px; }
.authcard .markline { width: 48px; margin: 0 0 26px; }
.authtitle { margin: 0 0 6px; font-family: "Chakra Petch", sans-serif; font-weight: 800; font-size: 22px; }
.authsub { margin: 0 0 24px; color: var(--ink-soft); font-size: 13.5px; line-height: 1.55; }
.authcard form { display: flex; flex-direction: column; }
.authcard .formerr { margin: 0 0 14px; }