/* Engineer Underground: My Dashboard. Uses the site's tokens: accent #0369A1, hover #075985, ink #0F172A,
   body #334155, borders #E2E8F0, surfaces #F1F5F9, highlight #E0F2FE, Inter and monospace. */

.eud-wrap { box-sizing: border-box; max-width: 1200px; margin: 0 auto; padding: 28px 24px 64px; }

/* Page header band */
.eud-head { box-sizing: border-box; background: var(--eu-surface,#F1F5F9); border-bottom: 1px solid var(--eu-border,#E2E8F0); padding: 56px 24px 48px; }
.eud-head *, .eud-head *::before { box-sizing: border-box; }
.eud-head-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.eud-head-text { max-width: 720px; }
.eud-head h1 { margin: 0 0 14px; font-size: clamp(32px, 4.4vw, 46px); line-height: 1.1; letter-spacing: -0.02em; color: var(--eu-ink,#0F172A); }
.eud-lead { margin: 0; max-width: 34em; font-size: 19px; line-height: 1.55; color: var(--eu-text-2,#475569); }
.eud-head ul.eud-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.eud-chips li {
  display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 7px 14px 7px 9px; background: var(--eu-card,#FFFFFF);
  border: 1px solid var(--eu-border,#E2E8F0); border-radius: 999px; font-size: 15px; line-height: 1.3; color: var(--eu-text,#334155);
}
.eud-chips li::before {
  content: ""; flex: 0 0 auto; width: 20px; height: 20px; border-radius: 50%;
  background: var(--eu-accent-soft,#E0F2FE) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7' fill='none' stroke='%230369A1' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 13px no-repeat;
}
.eud-symbols { display: grid; grid-template-columns: repeat(4, 60px); gap: 10px; flex: 0 0 auto; padding-right: 34px; }
.eud-symbols span {
  display: flex; align-items: center; justify-content: center; width: 60px; height: 60px; background: var(--eu-card,#FFFFFF); border: 1px solid var(--eu-border,#E2E8F0);
  border-radius: 12px; font: 700 24px/1 "JetBrains Mono", ui-monospace, Consolas, monospace; color: var(--eu-accent,#0369A1);
}
.eud-symbols span:nth-child(n+5) { position: relative; left: 34px; }
.eud-symbols span:nth-child(2), .eud-symbols span:nth-child(7) { background: var(--eu-accent-soft,#E0F2FE); border-color: var(--eu-accent-line,#BAE6FD); }
@media (max-width: 900px) { .eud-symbols { display: none; } }
@media (max-width: 782px) { .eud-head { padding: 32px 18px 28px; } .eud-lead { font-size: 17px; } .eud-wrap { padding-top: 20px; } }
.eud { color: var(--eu-text,#334155); }
.eud *, .eud *::before, .eud *::after, .eud-drawer *, .eud-drawer *::before, .eud-drawer *::after { box-sizing: border-box; }
.eud button, .eud input, .eud select, .eud-drawer button, .eud-drawer input { font-family: inherit; }
.eud :focus-visible, .eud-drawer :focus-visible { outline: 3px solid var(--eu-accent,#0369A1); outline-offset: 2px; }
.eud-ic { flex: 0 0 auto; }

/* The framed tool: sidebar on the left, content on the right */
.eud-frame {
  position: relative; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 16px; align-items: start;
  padding: 16px; background: var(--eu-surface,#F1F5F9); border: 1px solid var(--eu-border,#E2E8F0); border-radius: 16px;
}

/* Sidebar */
.eud-sidebar { position: sticky; top: 16px; display: flex; flex-direction: column; background: var(--eu-card,#FFFFFF); border: 1px solid var(--eu-border,#E2E8F0); border-radius: 12px; padding: 8px; }
.eud-tablist { display: flex; flex-direction: column; gap: 2px; }
.eud-tab, .eud-more {
  display: flex; align-items: center; gap: 14px; width: 100%; padding: 11px 14px; border: 0; border-radius: 10px;
  background: transparent; color: var(--eu-text,#334155); font-size: 16px; text-align: left; text-decoration: none; cursor: pointer;
}
.eud-tab:hover, .eud-more:hover { background: var(--eu-surface,#F1F5F9); color: var(--eu-ink,#0F172A); }
.eud-tab[aria-selected="true"] { background: var(--eu-accent-fill,#0369A1); color: var(--eu-on-accent,#FFFFFF); font-weight: 600; }
.eud-more { margin-top: 8px; border-top: 1px solid var(--eu-border,#E2E8F0); border-radius: 0 0 10px 10px; padding-top: 14px; color: var(--eu-accent,#0369A1); font-weight: 600; }

/* Content cards */
.eud-main { min-width: 0; }
.eud-panel { display: flex; flex-direction: column; gap: 16px; }
.eud-panel[hidden] { display: none; }
.eud-hero { display: flex; align-items: center; gap: 20px; padding: 24px; background: var(--eu-card,#FFFFFF); border: 1px solid var(--eu-border,#E2E8F0); border-radius: 12px; }
.eud-hero-ic { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 72px; height: 72px; background: var(--eu-accent-soft,#E0F2FE); color: var(--eu-accent,#0369A1); border-radius: 14px; }
.eud-h { margin: 0 0 4px; font-size: 30px; line-height: 1.15; letter-spacing: -0.02em; color: var(--eu-ink,#0F172A); }
.eud-intro { margin: 0; color: var(--eu-text-2,#475569); max-width: 48em; }
.eud-card { padding: 24px; background: var(--eu-card,#FFFFFF); border: 1px solid var(--eu-border,#E2E8F0); border-radius: 12px; }
.eud-card-head { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; }
.eud-card-ic { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 44px; height: 44px; background: var(--eu-surface,#F1F5F9); color: var(--eu-accent,#0369A1); border-radius: 10px; }
.eud-card-titles { flex: 1 1 auto; min-width: 0; }
.eud-card-title { margin: 0; font-size: 20px; line-height: 1.25; color: var(--eu-ink,#0F172A); }
.eud-card-sub { margin: 2px 0 0; color: var(--eu-muted,#64748B); font-size: 15px; }
.eud-action { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; padding: 8px 14px; background: var(--eu-card,#FFFFFF); color: var(--eu-ink,#0F172A); border: 1px solid var(--eu-border-2,#CBD5E1); border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; }
.eud-action:hover { border-color: var(--eu-accent,#0369A1); color: var(--eu-accent,#0369A1); }

/* Converter */
.eud-conv { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px; align-items: center; }
.eud-side { display: flex; flex-direction: column; gap: 8px; padding: 16px; background: var(--eu-surface-2,#F8FAFC); border: 1px solid var(--eu-border,#E2E8F0); border-radius: 12px; }
.eud-side label { font-size: 15px; font-weight: 600; color: var(--eu-ink,#0F172A); }
.eud-input, .eud-select { width: 100%; height: 48px; padding: 0 14px; background: var(--eu-card,#FFFFFF); color: var(--eu-ink,#0F172A); border: 1px solid var(--eu-faint,#94A3B8); border-radius: 8px; font-size: 18px; }
.eud-input { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-weight: 600; }
.eud-select { height: 44px; font-size: 16px; }
.eud-input[aria-invalid="true"] { border-color: #C2410C; }
.eud-swap { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; background: var(--eu-card,#FFFFFF); color: var(--eu-accent,#0369A1); border: 1px solid var(--eu-border-2,#CBD5E1); border-radius: 50%; cursor: pointer; }
.eud-swap:hover { border-color: var(--eu-accent,#0369A1); }
.eud-eq { margin: 16px 0 0; text-align: center; font: 600 18px/1.4 "JetBrains Mono", ui-monospace, Consolas, monospace; color: var(--eu-ink,#0F172A); overflow-wrap: anywhere; }

/* Tables */
.eud-scroll { overflow-x: auto; border: 1px solid var(--eu-border,#E2E8F0); border-radius: 10px; }
.eud-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.eud-table th, .eud-table td { padding: 11px 14px; border-bottom: 1px solid var(--eu-border,#E2E8F0); text-align: left; vertical-align: top; }
.eud-table tr:last-child th, .eud-table tr:last-child td { border-bottom: 0; }
.eud-table thead th { background: var(--eu-surface,#F1F5F9); color: var(--eu-ink,#0F172A); font-weight: 600; white-space: nowrap; }
.eud-table tbody th { font-weight: 600; color: var(--eu-ink,#0F172A); }
.eud-table tbody tr:nth-child(even) { background: var(--eu-surface-2,#F8FAFC); }
.eud-num { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-size: 15px; white-space: nowrap; }

/* Facts, guides */
.eud-h3 { margin: 0 0 8px; font-size: 18px; color: var(--eu-ink,#0F172A); }
.eud-facts { margin: 0; padding-left: 1.2em; max-width: 52em; }
.eud-facts li { margin: 0 0 6px; }
.eud-guides { margin: 16px 0 0; }
.eud-guides a { color: var(--eu-accent,#0369A1); font-weight: 600; }

/* Overview shortcuts */
.eud-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin: 0 0 18px; }
.eud-short { display: flex; align-items: center; gap: 12px; padding: 12px; background: var(--eu-card,#FFFFFF); border: 1px solid var(--eu-border,#E2E8F0); border-radius: 12px; text-align: left; color: var(--eu-text,#334155); cursor: pointer; }
.eud-short:hover { border-color: var(--eu-accent,#0369A1); }
.eud-short-text { display: flex; flex-direction: column; }
.eud-short-text strong { color: var(--eu-ink,#0F172A); font-size: 16px; }
.eud-short-text span { font-size: 14px; color: var(--eu-muted,#64748B); }
.eud-note { margin: 0; color: var(--eu-text-2,#475569); font-size: 15px; }
.eud-note a { color: var(--eu-accent,#0369A1); font-weight: 600; }
.eud-empty { margin: 0; color: var(--eu-text-2,#475569); }

.eud-live { min-height: 1.5em; margin: 12px 0 0; color: var(--eu-accent,#0369A1); font-size: 15px; font-weight: 600; }

/* Settings drawer (right side) */
.eud-drawer {
  position: fixed; inset: 0 0 0 auto; margin: 0 0 0 auto; width: min(420px, 100vw); height: 100vh; height: 100dvh; max-width: none; max-height: none;
  padding: 0; border: 0; border-left: 1px solid var(--eu-border,#E2E8F0); border-radius: 12px 0 0 12px; background: var(--eu-card,#FFFFFF); color: var(--eu-text,#334155);
  box-shadow: -12px 0 40px rgba(15, 23, 42, 0.18);
}
.eud-drawer[open] { display: flex; flex-direction: column; }
.eud-drawer::backdrop { background: rgba(15, 23, 42, 0.45); }
.eud-dr-head { display: flex; align-items: flex-start; gap: 14px; padding: 22px 22px 16px; }
.eud-dr-titles { flex: 1 1 auto; min-width: 0; }
.eud-dr-title { margin: 0; font-size: 22px; color: var(--eu-ink,#0F172A); }
.eud-dr-sub { margin: 4px 0 0; color: var(--eu-muted,#64748B); font-size: 15px; }
.eud-close { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 40px; height: 40px; padding: 0; background: transparent; color: var(--eu-text-2,#475569); border: 0; border-radius: 8px; cursor: pointer; }
.eud-close:hover { background: var(--eu-surface,#F1F5F9); color: var(--eu-ink,#0F172A); }
.eud-search-wrap { display: flex; align-items: center; gap: 10px; margin: 0 22px 8px; padding: 0 14px; height: 46px; background: var(--eu-surface-2,#F8FAFC); border: 1px solid var(--eu-border-2,#CBD5E1); border-radius: 10px; color: var(--eu-muted,#64748B); }
.eud-search { flex: 1 1 auto; min-width: 0; height: 100%; padding: 0; background: transparent; border: 0; color: var(--eu-ink,#0F172A); font-size: 16px; outline: none; }
.eud-search-wrap:focus-within { outline: 3px solid var(--eu-accent,#0369A1); outline-offset: 2px; }
.eud-dr-body { flex: 1 1 auto; overflow-y: auto; padding: 4px 22px; }
.eud-switches { display: flex; flex-direction: column; }
.eud-switch-row { display: flex; align-items: center; gap: 14px; padding: 11px 4px; border-bottom: 1px solid var(--eu-surface,#F1F5F9); cursor: pointer; color: var(--eu-text,#334155); }
.eud-switch-row[hidden] { display: none; }
.eud-switch-row .eud-ic { color: var(--eu-text-2,#475569); }
.eud-switch-label { flex: 1 1 auto; font-size: 16px; }
.eud-none { margin: 16px 0; color: var(--eu-text-2,#475569); }
.eud-switch { appearance: none; -webkit-appearance: none; position: relative; flex: 0 0 auto; width: 44px; height: 26px; margin: 0; background: var(--eu-border-2,#CBD5E1); border-radius: 999px; cursor: pointer; }
.eud-switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; background: var(--eu-card,#FFFFFF); border-radius: 50%; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.3); }
.eud-switch:checked { background: var(--eu-accent-fill,#0369A1); }
.eud-switch:checked::after { left: 21px; }
.eud-dr-foot { padding: 14px 22px 20px; border-top: 1px solid var(--eu-border,#E2E8F0); }
.eud-dr-note { margin: 0 0 12px; color: var(--eu-muted,#64748B); font-size: 14px; }
.eud-dr-actions { display: flex; gap: 10px; }
.eud-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; flex: 1 1 0; padding: 11px 14px; background: var(--eu-card,#FFFFFF); color: var(--eu-ink,#0F172A); border: 1px solid var(--eu-border-2,#CBD5E1); border-radius: 8px; font-size: 15px; font-weight: 600; white-space: nowrap; cursor: pointer; }
.eud-btn:hover { border-color: var(--eu-accent,#0369A1); }
.eud-btn-primary { background: var(--eu-accent-fill,#0369A1); border-color: var(--eu-accent,#0369A1); color: var(--eu-on-accent,#FFFFFF); }
.eud-btn-primary:hover { background: var(--eu-accent-fill-hover,#075985); border-color: var(--eu-accent-hover,#075985); }
.eud-btn[disabled] { opacity: 0.7; cursor: default; }

/* Tablets and phones: the tabs become a scrolling strip above the content */
@media (max-width: 900px) {
  .eud-conv { grid-template-columns: minmax(0, 1fr); }
  .eud-swap { justify-self: center; transform: rotate(90deg); }
}
@media (max-width: 782px) {
  .eud-wrap { padding: 20px 14px 48px; }
  .eud-frame { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 10px; }
  .eud-sidebar { position: static; flex-direction: column; padding: 6px; }
  .eud-tablist { flex: 1 1 auto; min-width: 0; flex-direction: row; gap: 4px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .eud-tab, .eud-more { width: auto; flex: 0 0 auto; white-space: nowrap; padding: 9px 12px; gap: 10px; }
  .eud-more { width: 100%; margin: 6px 0 0; border: 0; border-top: 1px solid var(--eu-border,#E2E8F0); border-radius: 0 0 10px 10px; padding: 10px 12px 6px; }
  .eud-hero { padding: 16px; gap: 12px; align-items: flex-start; }
  .eud-hero-ic { width: 44px; height: 44px; border-radius: 10px; }
  .eud-hero-ic svg { width: 26px; height: 26px; }
  .eud-intro { font-size: 16px; }
  .eud-h { font-size: 24px; }
  .eud-card { padding: 18px 16px; }
  .eud-card-head { flex-wrap: wrap; }
  .eud-action { margin-left: 58px; }
  .eud-drawer { border-radius: 0; }
}
@media (prefers-reduced-motion: reduce) { .eud *, .eud-drawer * { transition: none !important; scroll-behavior: auto !important; } }

/* Text encoding converter */
.eud-encgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 16px; }
.eud-enchead { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin: 0 0 6px; }
.eud-enchead label { font-weight: 600; color: var(--eu-ink,#0F172A); font-size: 15px; }
.eud-copy { padding: 0; background: none; border: 0; color: var(--eu-accent,#0369A1); font-size: 14px; font-weight: 600; text-decoration: underline; cursor: pointer; }
.eud-textarea { display: block; width: 100%; box-sizing: border-box; padding: 10px 12px; resize: vertical; background: var(--eu-card,#FFFFFF); color: var(--eu-ink,#0F172A); border: 1px solid var(--eu-faint,#94A3B8); border-radius: 8px; font: 500 15px/1.5 "JetBrains Mono", ui-monospace, Consolas, monospace; }
.eud-textarea[aria-invalid="true"] { border-color: #C2410C; background: var(--eu-warn-orange,#FFF7ED); }
.eud-encopts { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 16px 0 0; }
.eud-encopts label { display: inline-flex; align-items: center; gap: 8px; color: var(--eu-text,#334155); font-size: 15px; cursor: pointer; }
.eud-encnote { margin-top: 12px; min-height: 1.4em; text-align: left; font-family: inherit; font-size: 15px; font-weight: 500; line-height: 1.5; color: var(--eu-text-2,#475569); }