:root {
  --bg: #0b0c0f;
  --card: rgba(255,255,255,.06);
  --text: #e8eaed;
  --muted: #a1a1aa;
  --accent: #7c3aed;   /* Violett */
  --accent-2: #22d3ee; /* Türkis */
  --ok: #16a34a;
  --err: #ef4444;
  color-scheme: dark light;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --accent: #4f46e5;   /* Indigo */
    --accent-2: #06b6d4; /* Cyan */
    --ok: #16a34a;
    --err: #dc2626;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(1200px 600px at 10% 10%, color-mix(in oklab, var(--accent) 35%, transparent), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, color-mix(in oklab, var(--accent-2) 25%, transparent), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  display: grid;
  place-items: center;
  padding: clamp(16px, 5vw, 48px);
}

.container {
  width: min(860px, 100%);
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--card) 92%, transparent),
    color-mix(in oklab, var(--card) 92%, transparent));
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  backdrop-filter: saturate(120%) blur(10px);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  padding: clamp(20px, 4vw, 36px);
}

h1 { font-size: clamp(28px, 4.2vw, 44px); margin: 0 0 8px; letter-spacing: .4px; }
p.sub { color: var(--muted); margin: 0 0 20px; }
h2 { font-size: 0.95rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 18px 0 10px; }
ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }

.card {
  background: color-mix(in oklab, var(--card) 100%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: 16px;
  padding: 16px 18px;
  transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-2px); border-color: color-mix(in oklab, var(--accent) 40%, transparent); box-shadow: 0 8px 30px rgba(0,0,0,.18); }

a.link {
  display: block;
  color: inherit;
  text-decoration: none;
  margin-bottom: 8px;
}
a.link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 55%, transparent);
  border-radius: 12px;
}

.title { font-weight: 600; }
.url { font-size: .95rem; color: var(--muted); overflow-wrap: anywhere; }
.stamp { font-size: .85rem; color: var(--muted); margin-top: 2px; }

.copy-btn {
  appearance: none;
  border: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
  background: color-mix(in oklab, var(--card) 100%, transparent);
  color: var(--text);
  border-radius: 12px;
  padding: 6px 10px;
  font: inherit;
  cursor: pointer;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.copy-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.16); }
.copy-btn svg { width: 14px; height: 14px; }

.actions { display: flex; justify-content: flex-end; margin-top: 22px; }
button.icon {
  appearance: none;
  border: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
  background: color-mix(in oklab, var(--card) 100%, transparent);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
button.icon:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.16); }
button.icon:disabled { opacity: .7; cursor: not-allowed; }

.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid color-mix(in oklab, var(--text) 20%, transparent);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast-wrap { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 10px; z-index: 9999; }
.toast {
  background: color-mix(in oklab, var(--card) 100%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  display: grid; gap: 6px; min-width: 240px;
  transition: opacity .3s ease, transform .3s ease;
}
.toast.ok { border-color: color-mix(in oklab, var(--ok) 60%, transparent); }
.toast.err { border-color: color-mix(in oklab, var(--err) 60%, transparent); }
.toast .t-title { font-weight: 600; }
.toast .t-detail { font-size: .9rem; color: var(--muted); }

footer { margin-top: 16px; font-size: .85rem; color: var(--muted);
  display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }