/* Shared theme for the User Account Manager pages — mirrors ../index.html */

/* ===== Theme tokens (same as the main page) ===== */
:root[data-theme="dark"] {
  --bg: #0A0F1F; --surface: #121A30; --border: #222C4A;
  --text: #E8ECF8; --heading: #FFFFFF; --muted: #B4BCD6; --faint: #8A93B3;
  --accent: #9BB8FF; --on-accent: #0A0F1F;
  --feature: #1A2350; --feature-border: #34408A; --feature-text: #D3D9EE;
  --outline: #3A4672; --invert-bg: #FFFFFF; --invert-ink: #0A0F1F;
  --grid-line: rgba(255,255,255,0.3); --grid-bg: rgba(255,255,255,0.06);
  --page-bg: linear-gradient(160deg, #0A1A4A 0%, #0D3A8A 55%, #0D47A1 100%);
  --tip-bg: #10291F; --tip-border: #3FA36B; --tip-text: #BFE8CF;
}
:root[data-theme="light"] {
  --bg: #F6F7FB; --surface: #FFFFFF; --border: #E2E5F0;
  --text: #10162E; --heading: #0A0F1F; --muted: #4A5373; --faint: #5A6385;
  --accent: #2F4BC4; --on-accent: #FFFFFF;
  --feature: #EEF1FF; --feature-border: #C9D2FA; --feature-text: #2A3355;
  --outline: #B9C0D8; --invert-bg: #10162E; --invert-ink: #FFFFFF;
  --grid-line: rgba(96,165,250,0.45); --grid-bg: rgba(21,101,192,0.07);
  --page-bg: linear-gradient(160deg, #F3F7FF 0%, #E6EEFC 55%, #DCE7FA 100%);
  --tip-bg: #EEF8F1; --tip-border: #43A047; --tip-text: #24622B;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-bg) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-bg) 1px, transparent 1px),
    var(--page-bg);
  background-size: 40px 40px, 40px 40px, 100% 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body, body * { transition: background-color .25s ease, border-color .25s ease, color .25s ease; }
a { color: var(--accent); }
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; color: var(--heading); margin: 0; }
p { margin: 0; }
img { max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; width: 100%; }
main { flex: 1; }

/* ===== Buttons ===== */
.btn, .support-link {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: 15px 26px; border-radius: 12px; border: 1px solid transparent; text-align: center;
}
.btn-accent, .support-link { background: var(--accent); color: var(--on-accent); }
.btn:hover, .support-link:hover { filter: brightness(1.08); }

/* ===== Header (same as the main page) ===== */
header { padding-top: 20px; padding-bottom: 20px; }
nav {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 10px 12px 10px 18px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; color: var(--heading); }
.brand span { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 21px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.nav-links .link { color: var(--muted); text-decoration: none; padding: 12px 14px; font-weight: 500; }
.nav-links .link:hover { color: var(--heading); }
.nav-links .btn { padding: 12px 18px; border-radius: 10px; }
.theme-toggle, .menu-toggle {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border); border-radius: 10px; color: var(--heading); cursor: pointer;
}
.menu-toggle { display: none; }
.menu-toggle .icon-close,
.menu-toggle[aria-expanded="true"] .icon-burger { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }
:root[data-theme="dark"] .icon-moon,
:root[data-theme="light"] .icon-sun { display: none; }

/* ===== App hub (index.html) ===== */
.hub { max-width: 760px; margin: 0 auto; padding: 72px 24px 96px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.app-icon { margin-bottom: 28px; }
.app-title { margin-bottom: 12px; font-size: clamp(34px, 5vw, 52px); line-height: 1.05; letter-spacing: -0.03em; }
.app-subtitle { margin-bottom: 48px; font-size: 18px; color: var(--muted); }
.hub-grid { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; text-align: left; }
.link-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 28px;
  display: flex; flex-direction: column; gap: 10px; text-decoration: none;
}
.link-card:hover { border-color: var(--accent); }
.link-card .card-title { font-family: 'Space Grotesk', sans-serif; font-size: 21px; font-weight: 600; color: var(--heading); }
.link-card .card-desc { color: var(--muted); line-height: 1.6; }
.link-card .card-arrow { margin-top: auto; padding-top: 8px; color: var(--accent); font-weight: 600; }

/* ===== Document pages ===== */
.doc-wrap { padding-top: 24px; padding-bottom: 96px; }
.doc {
  max-width: 860px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 22px;
  padding: clamp(24px, 5vw, 56px);
}
.breadcrumb { margin-bottom: 32px; font-size: 14px; color: var(--faint); }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.last-updated { margin-bottom: 24px; font-size: 14px; font-style: italic; color: var(--faint); }

.doc h2 {
  margin: 48px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border);
  font-size: clamp(22px, 3vw, 26px); letter-spacing: -0.01em;
}
.doc h2:first-of-type { margin-top: 0; }
.doc h3 { margin: 32px 0 10px; font-size: 18px; color: var(--accent); }
.doc p { margin-bottom: 14px; line-height: 1.75; color: var(--muted); }
.doc strong { color: var(--heading); }
.doc code {
  padding: 2px 6px; border-radius: 6px; font-size: 0.9em;
  background: var(--feature); border: 1px solid var(--feature-border); color: var(--feature-text);
}
.doc hr { margin: 40px 0; border: 0; border-top: 1px solid var(--border); }
.doc ul, .doc ol { margin: 6px 0 16px; padding-left: 22px; }
.doc li { padding: 3px 0; line-height: 1.7; color: var(--muted); }
.doc li::marker { color: var(--accent); }
.doc .support-link { margin-top: 8px; }

.screenshot-img {
  display: block; width: 100%; margin: 20px 0 8px;
  border: 1px solid var(--border); border-radius: 14px;
}

.intro-note {
  margin-bottom: 32px; padding: 18px 22px; border-radius: 14px; line-height: 1.7;
  background: var(--feature); border: 1px solid var(--feature-border); color: var(--feature-text);
}

.panel-tip { margin-top: 8px; padding: 18px 22px; border-radius: 14px; background: var(--tip-bg); border: 1px solid var(--tip-border); }
.doc .panel-tip ul { margin: 0; }
.doc .panel-tip li { color: var(--tip-text); }
.doc .panel-tip li::marker { color: var(--tip-border); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag {
  padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--outline); color: var(--muted);
}

.table-wrap { overflow-x: auto; margin: 16px 0 24px; border: 1px solid var(--border); border-radius: 14px; }
.data-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; }
.data-table th {
  padding: 12px 16px; text-align: left; font-weight: 600;
  background: var(--feature); color: var(--heading); border-bottom: 1px solid var(--feature-border);
}
.data-table td { padding: 12px 16px; vertical-align: top; line-height: 1.6; color: var(--muted); border-bottom: 1px solid var(--border); }
.data-table tr:last-child td { border-bottom: 0; }

/* ===== Footer ===== */
footer { border-top: 1px solid var(--border); }
footer .container { padding-top: 28px; padding-bottom: 28px; font-size: 14px; color: var(--faint); }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--heading); }

/* ===== Responsive ===== */
@media (max-width: 820px) {
  .js .menu-toggle { display: flex; }
  .js .nav-links {
    display: none; order: 3; flex-basis: 100%;
    flex-direction: column; align-items: stretch; gap: 4px;
    border-top: 1px solid var(--border); padding-top: 8px; padding-bottom: 4px;
  }
  .js .nav-links.open { display: flex; }
  .js .nav-links .btn { margin-top: 6px; }
}
@media (max-width: 600px) {
  .hub-grid { grid-template-columns: minmax(0, 1fr); }
  .hub { padding-top: 48px; }
}