:root{
  --bg: #f4fbf8; --panel: #ffffff; --panel-2: #e6f4ef; --line: #cae7dd;
  --accent: #259d73; --accent-soft: #c9e9de; --accent-dim: #f0f8f5;
  --text: #142922; --muted: #4d806e; --muted-2: #94b8ab;
  --bad: #b3402f; --mid: #9d8725;
}

.url-row{ display: flex; gap: 10px; }
.url-row input{ flex: 1; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; font-family: 'JetBrains Mono', monospace; font-size: 14px; background: var(--panel-2); color: var(--text); }
.url-row input:focus{ outline: none; border-color: var(--accent); }
.app{ padding: 12px 22px; border: none; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 13.5px; font-family: 'Inter', sans-serif; color: #fff; background: var(--accent); transition: filter .15s ease; white-space: nowrap; }
.app:hover{ filter: brightness(1.08); }

.result-card{ display: none; margin-top: 20px; padding: 20px; border-radius: 10px; text-align: center; }
.result-card.show{ display: block; }
.result-card.redirect{ background: rgba(157,135,37,0.1); border: 1px solid var(--mid); }
.result-card.direct{ background: rgba(37,157,115,0.1); border: 1px solid var(--accent); }
.result-card.error{ background: rgba(179,64,47,0.1); border: 1px solid var(--bad); }
.result-card .icon{ font-size: 30px; }
.result-card .title{ font-size: 16px; font-weight: 800; margin-top: 6px; }
.result-card.redirect .title{ color: var(--mid); }
.result-card.direct .title{ color: var(--accent); }
.result-card.error .title{ color: var(--bad); }
.result-card .sub{ font-size: 12.5px; color: var(--muted); margin-top: 6px; line-height: 1.5; }

.history{ margin-top: 18px; }
.history-title{ font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.history-row{ display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--line); font-size: 12.5px; }
.history-row .u{ font-family: 'JetBrains Mono', monospace; word-break: break-all; }
.history-row .r{ font-weight: 700; flex-shrink: 0; margin-left: 10px; }
.history-row .r.redirect{ color: var(--mid); }
.history-row .r.direct{ color: var(--accent); }
.history-row .r.error{ color: var(--bad); }

.note{ margin-top: 16px; font-size: 12px; color: var(--muted); line-height: 1.6; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }