/* link4u shared styles. Layout: a calm working surface, one green accent,
   links and URLs always set left-to-right in a mono face. */
:root {
  --bg: #f4f7f6;
  --surface: #ffffff;
  --ink: #10201c;
  --muted: #5c6b66;
  --line: #dbe4e1;
  --accent: #0a6e5a;
  --accent-ink: #ffffff;
  --soft: #e4f1ed;
  --warn: #a8500f;
  --warn-soft: #fbeedd;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --font-display: "Reem Kufi", "IBM Plex Sans Arabic", Tahoma, sans-serif;
  --font-body: "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1513;
    --surface: #15201d;
    --ink: #e6efec;
    --muted: #93a39e;
    --line: #263530;
    --accent: #3fc6a4;
    --accent-ink: #06231c;
    --soft: #16302a;
    --warn: #f0a868;
    --warn-soft: #33261a;
    --danger: #ff8a80;
    --danger-soft: #3a1f1d;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}
h1, h2, h3 { font-family: var(--font-display); line-height: 1.35; margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: var(--accent); }
.wrap { width: 100%; max-width: 1040px; margin-inline: auto; padding-inline: max(16px, env(safe-area-inset-left, 0px)); }
.muted { color: var(--muted); }
.ltr { direction: ltr; unicode-bidi: isolate; font-family: var(--font-mono); font-size: 0.92em; }
.num { font-variant-numeric: tabular-nums; }

/* top bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding-block: 12px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--ink); text-decoration: none; direction: ltr; }
.brand b { color: var(--accent); font-weight: 700; }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--muted); font-size: 0.9rem; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 42px; padding: 8px 18px; border-radius: 10px; border: 1px solid transparent;
  background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.55; cursor: default; filter: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: var(--soft); filter: none; }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--line); }
.btn.danger:hover { background: var(--danger-soft); filter: none; }
.btn.small { min-height: 36px; padding: 4px 12px; font-size: 0.88rem; font-weight: 500; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* forms */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label { font-weight: 500; font-size: 0.92rem; }
.field .hint { color: var(--muted); font-size: 0.82rem; }
textarea { resize: vertical; min-height: 84px; line-height: 1.6; }
input[type="text"], input[type="email"], input[type="password"], input[type="url"], textarea {
  width: 100%; min-height: 44px; padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit;
}
input.ltr { text-align: left; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.slugbox { display: flex; direction: ltr; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); overflow: hidden; }
.slugbox span { display: flex; align-items: center; padding-inline: 12px 4px; color: var(--muted); font-family: var(--font-mono); font-size: 0.9rem; white-space: nowrap; }
.slugbox input { border: 0; background: transparent; padding-inline-start: 0; min-width: 0; }
.slugbox:focus-within { outline: 2px solid var(--accent); border-color: transparent; }
.slugbox input:focus { outline: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.msg { font-size: 0.9rem; min-height: 1.5em; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--accent); }

/* status pills */
.pill { display: inline-block; padding: 1px 10px; border-radius: 99px; font-size: 0.8rem; font-weight: 500; background: var(--soft); color: var(--accent); white-space: nowrap; }
/* small label beside a link's name: store link or links page */
.link-type { display: inline-block; padding: 0 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); font-size: 0.7rem; font-weight: 400; line-height: 1.7; white-space: nowrap; vertical-align: middle; }
.pill.paused { background: var(--warn-soft); color: var(--warn); }
.pill.blocked, .pill.suspended { background: var(--danger-soft); color: var(--danger); }

/* page footer (home, terms, privacy) */
.site-foot { border-top: 1px solid var(--line); }
.site-foot .wrap { display: flex; gap: 8px 22px; flex-wrap: wrap; padding-block: 18px; font-size: 0.88rem; }
.site-foot a { color: var(--muted); }

/* toast */
#toast {
  position: fixed; inset-inline: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); margin-inline: auto;
  width: fit-content; max-width: calc(100% - 32px); padding: 10px 18px; border-radius: 10px;
  background: var(--ink); color: var(--bg); font-size: 0.92rem; z-index: 50;
  opacity: 0; transform: translateY(8px); transition: opacity 0.2s, transform 0.2s; pointer-events: none;
}
#toast.show { opacity: 1; transform: none; }

/* dialogs */
dialog {
  width: min(560px, calc(100% - 32px)); max-height: calc(100% - 32px); padding: 0; border: 1px solid var(--line);
  border-radius: 16px; background: var(--surface); color: var(--ink);
}
dialog::backdrop { background: rgba(8, 16, 14, 0.55); }
.dlg-head { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.dlg-head h2 { font-size: 1.1rem; flex: 1; min-width: 0; }
.dlg-body { padding: 20px; display: flex; flex-direction: column; gap: 20px; }

/* tables (admin) */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: start; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 0.82rem; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td .btn { margin-block: 2px; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}