:root{
  --bg: #f4f6fb; --panel: #ffffff; --panel-2: #e6ebf4; --line: #cad3e7;
  --accent: #254b9d; --accent-soft: #c9d3e9; --accent-dim: #f0f2f8;
  --text: #141b29; --muted: #4d5d80; --muted-2: #949fb8; --bad: #b3402f;
}

.field{ margin-bottom: 14px; }
.field label{ display: block; font-size: 11.5px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.field label .req{ color: var(--bad); }
.field label .opt{ color: var(--muted-2); text-transform: none; font-weight: 500; letter-spacing: 0; }
.field input{ width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 7px; font-family: 'JetBrains Mono', monospace; font-size: 13px; background: var(--panel-2); color: var(--text); }
.field input:focus{ outline: none; border-color: var(--accent); }

.result-box{ margin-top: 18px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.result-box .url-text{ font-family: 'JetBrains Mono', monospace; font-size: 13px; word-break: break-all; line-height: 1.6; }
.result-box .url-text .param{ color: var(--accent); font-weight: 600; }

.btns{ display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.app{ padding: 11px 20px; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 13.5px; font-family: 'Inter', sans-serif; color: #fff; background: var(--accent); transition: filter .15s ease; }
.app:hover{ filter: brightness(1.08); }

.note{ margin-top: 14px; 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; }