/* Modern Dark Theme */

:root {
  --bg-dark: #0b1220;
  --bg-card: #0f172a;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --text-white: #f8fafc;
  --text-gray: #94a3b8;
  --border: #334155;
  --danger: #ef4444;
  --success: #10b981;
  --shadow-ambient: 0 10px 30px rgba(0,0,0,0.35);
  --glass: rgba(17, 24, 39, 0.7);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(800px 400px at 10% 10%, rgba(99,102,241,0.07) 0%, transparent 60%),
    radial-gradient(600px 300px at 90% 80%, rgba(139,92,246,0.07) 0%, transparent 60%);
}

/* Layout */
.container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; flex: 1; width: 100%; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* Header & Footer */
.header-main { text-align: center; margin-bottom: 40px; }
.header-main h1 {
  font-size: 2.8rem;
  background: linear-gradient(90deg, #fff, #cbd5e1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-main {
  text-align: center; padding: 30px; border-top: 1px solid var(--border);
  color: var(--text-gray); font-size: 0.9rem; margin-top: auto;
}

/* Cards */
.card {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 24px; margin-bottom: 24px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-ambient);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border 0.2s ease;
}
.card:hover { border-color: rgba(99,102,241,0.5); transform: translateY(-2px); }

/* Text */
.text-muted { color: var(--text-gray); font-size: 0.95rem; line-height: 1.6; }

/* Forms */
label { display: block; color: var(--text-gray); font-size: 0.85rem; margin-bottom: 6px; font-weight: 500; }
input, select {
  width: 100%; background: #0a0f1b; border: 1px solid var(--border);
  color: #e5e7eb; padding: 12px; border-radius: 10px; margin-bottom: 16px;
  transition: border 0.2s, background 0.2s;
}
input:focus, select:focus { outline: none; border-color: var(--primary); background: #0c1322; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: white; padding: 12px 20px;
  border-radius: 10px; font-weight: 600; border: none; cursor: pointer;
  transition: background 0.2s, transform 0.06s;
}
.btn:hover { background: var(--primary-hover); }
.btn:active { transform: translateY(1px); }
.btn-outline {
  background: transparent; border: 1px solid var(--border); color: var(--text-white);
}
.btn-outline:hover { background: rgba(255,255,255,0.04); }
.btn-sm { padding: 8px 12px; font-size: 0.85rem; }

/* Badges */
.badge { padding: 4px 8px; border-radius: 8px; font-size: 0.75rem; font-weight: 600; }
.bg-success { background: rgba(16,185,129,0.2); color: var(--success); }
.bg-danger { background: rgba(239,68,68,0.2); color: var(--danger); }

/* Code Box */
.code-box {
  background: #0a0f1b; padding: 14px; border-radius: 12px; border: 1px dashed var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.code-box code { color: #cbd5e1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem; word-break: break-all; }

/* Tables */
.table-responsive { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th, td { padding: 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-gray); font-weight: 600; background: rgba(255,255,255,0.02); }
td { font-size: 0.95rem; color: #e2e8f0; }

/* Result Box */
#result-box { margin-top: 20px; display: none; }
.result-content { padding: 15px; border-radius: 10px; background: rgba(0,0,0,0.25); border: 1px solid var(--border); }