/* Caesar Cipher styles - consistent with portfolio theme */
:root{
  --bg: #0d1117;
  --bg-soft: #111827;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --accent-2: #a78bfa;
  --border: #1f2937;
  --shadow: rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{margin:0; font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial; color:var(--text); background:var(--bg)}
.container{width:min(1120px, 92%); margin-inline:auto}
.section{padding:40px 0 80px}

.site-header{position:sticky; top:0; z-index:10; background:#0b1220; border-bottom:1px solid var(--border)}
.header-inner{display:flex; align-items:center; gap:16px; padding:14px 0}
.brand{color:#9ca3af; text-decoration:none}
.brand:hover{color:#fff}

.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:24px}
@media (max-width: 900px){ .grid-2{grid-template-columns:1fr} }

.card{background:var(--card); border:1px solid var(--border); border-radius:14px; overflow:hidden; box-shadow:0 10px 30px var(--shadow)}
.form{padding:16px}
.card-body{padding:16px}

.field{display:flex; flex-direction:column; gap:8px; margin-bottom:12px}
.field label{font-weight:600}
.field input, .field textarea, select{background:#0b1220; border:1px solid var(--border); color:#fff; border-radius:10px; padding:10px}
.field input:focus, .field textarea:focus, select:focus{outline:2px solid #2a3647; border-color:#2a3647}

.form-actions{display:flex; gap:10px; flex-wrap:wrap}
.btn{display:inline-flex; align-items:center; gap:8px; border-radius:10px; padding:10px 14px; cursor:pointer; text-decoration:none; border:1px solid var(--border); color:#fff; background:transparent}
.btn.primary{background: linear-gradient(135deg, var(--accent), var(--accent-2)); border:none}
.btn:hover{filter:brightness(1.05)}

.output .result{white-space:pre-wrap; background:#0f172a; border:1px solid var(--border); padding:12px; border-radius:10px; min-height:160px}
.actions{margin-top:10px}

.site-footer{border-top:1px solid var(--border); padding:22px 0; background:#0b1220}
.footer-inner{display:flex; align-items:center; justify-content:space-between}