@import url("https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap");

:root {
  --color-page-bg: #F4FAFC;
  --color-surface: #FFFFFF;
  --color-surface-soft: #FAFBFC;
  --color-border: #E3ECF3;
  --color-border-soft: #D1DEE6;
  --color-text: #060F2B;
  --color-text-secondary: #5F657A;
  --color-text-muted: #8B93A3;
  --color-primary: #1686a7;
  --color-primary-hover: #0f6f8d;
  --color-primary-dark: #0a4f64;
  --color-secondary-bg: #e7f6f9;
  --color-secondary-border: #c7e7ef;
  --color-focus: #41A2C2;
  --rgb-shadow: 25, 40, 72;

  --bg: var(--color-page-bg);
  --panel: var(--color-surface);
  --text: var(--color-text);
  --muted: var(--color-text-secondary);
  --line: var(--color-border);
  --brand: var(--color-primary);
  --brand-hover: var(--color-primary-hover);
  --brand-strong: var(--color-primary-dark);
  --brand2: var(--color-secondary-bg);
  --shadow: 0 10px 30px rgba(var(--rgb-shadow), .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "General Sans", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  line-height: 1.58;
}

.help-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
}

.help-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  background: var(--color-surface);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
}

.help-brand {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 18px;
  color: var(--color-text);
}

.help-brand span {
  display: block;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 500;
  margin-top: 2px;
}

.help-search { margin: 14px 0 18px; }

.help-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}

.help-search input:focus {
  outline: 3px solid rgba(65, 162, 194, .22);
  border-color: var(--color-focus);
}

.search-results {
  display: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--color-surface);
  box-shadow: var(--shadow);
  margin-top: 8px;
  overflow: hidden;
}

.search-results.active { display: block; }
.search-results a { display: block; padding: 10px 12px; text-decoration: none; color: var(--text); border-bottom: 1px solid var(--line); }
.search-results a:last-child { border-bottom: 0; }
.search-results a:hover { background: var(--brand2); color: var(--brand-strong); }
.search-results small { display: block; color: var(--muted); margin-top: 2px; }

.help-nav { display: flex; flex-direction: column; gap: 2px; }
.help-nav a { color: var(--text); text-decoration: none; border-radius: 10px; padding: 8px 10px; }
.help-nav a:hover,
.help-nav a.active { background: var(--brand2); color: var(--brand-strong); }
.help-nav a.child { padding-left: 24px; font-size: .94rem; }

.help-main { padding: 42px 52px; }

.help-content {
  max-width: 980px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 20px;
  padding: 34px 42px;
}

.help-content h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 22px; }
.help-content h2 { font-size: 1.35rem; margin-top: 34px; padding-top: 4px; }
.help-content h3 { font-size: 1.08rem; margin-top: 24px; }
.help-content p { margin: 12px 0; }
.help-content ul,
.help-content ol { padding-left: 1.35rem; }
.help-content li { margin: 6px 0; }
.help-content a { color: var(--brand); }
.help-content a:hover { color: var(--brand-hover); }
.help-content code { background: var(--color-surface-soft); border: 1px solid var(--line); border-radius: 6px; padding: 1px 5px; }

.help-note {
  border-left: 4px solid var(--brand);
  background: var(--brand2);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 18px 0;
  color: var(--brand-strong);
}

.help-note p { margin: 0; }
.help-footer { max-width: 980px; color: var(--muted); font-size: .85rem; margin: 16px 0 0; padding: 0 8px; }
.mobile-help-toggle { display: none; }
.section-label { margin: 18px 10px 6px; color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }

@media (max-width: 860px) {
  .help-shell { display: block; }
  .mobile-help-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: var(--color-surface);
    padding: 13px 16px;
    font: inherit;
    font-weight: 700;
    color: var(--color-text);
  }
  .help-sidebar { display: none; position: fixed; z-index: 30; inset: 49px 0 0 0; height: auto; }
  .help-sidebar.open { display: block; }
  .help-main { padding: 18px; }
  .help-content { padding: 24px 20px; border-radius: 16px; }
  .help-content h1 { font-size: 1.65rem; }
}