.page { max-width: 960px; margin: 32px auto; padding: 0 20px; }
.page h1 { font-size: 36px; color: #fff; margin-bottom: 8px; letter-spacing: -0.5px; }
.page .subtitle { color: #888; font-size: 15px; margin-bottom: 20px; }
.page label { display: block; font-size: 12px; color: #aaa; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.mini-actions { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.mini-actions .btn { padding: 10px 20px; font-size: 14px; }
.size-label { margin-left: auto; font-size: 12px; color: #888; font-family: 'SF Mono', Monaco, monospace; }
.size-label .delta { color: #4ade80; font-weight: 600; }
#in, #out { width: 100%; min-height: 240px; background: #141414; border: 1px solid #262626; color: #e1e1e1; font-size: 13px; padding: 14px; border-radius: 10px; font-family: 'SF Mono', Monaco, monospace; resize: vertical; line-height: 1.5; outline: none; white-space: pre; overflow-wrap: normal; }
#in:focus { border-color: #ff4444; }
#out { background: #0f0f0f; }
.out-head { display: flex; align-items: flex-end; justify-content: space-between; margin-top: 16px; margin-bottom: 8px; }
.out-head label { margin: 0; }
.copy-btn { padding: 6px 14px; background: #1f1f1f; border: 1px solid #333; color: #ccc; font-size: 13px; font-weight: 500; border-radius: 6px; cursor: pointer; font-family: inherit; transition: all 0.15s; }
.copy-btn:hover { background: #2a2a2a; border-color: #444; color: #fff; }
.copy-btn.copied { border-color: #4ade80; color: #4ade80; }
@media (max-width: 600px) { .page h1 { font-size: 28px; } .size-label { margin-left: 0; flex-basis: 100%; } }