:root {
  --bg-1: #0a0e1a;
  --bg-2: #0f1629;
  --card: rgba(20, 25, 45, 0.65);
  --glass: rgba(30, 35, 65, 0.4);
  --border: rgba(100, 120, 255, 0.15);
  --accent: #00ff9d;
  --accent-2: #ff6bc8;
  --text: #e0f7ff;
  --muted: #94a8cc;
  --radius: 22px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  --glow: 0 0 30px rgba(0, 255, 157, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Segoe UI', Tahoma, sans-serif; direction: rtl; }

body {
  background: radial-gradient(ellipse at top left, #1a1f3a 0%, var(--bg-1) 50%),
              radial-gradient(ellipse at bottom right, #2a0f3a 0%, var(--bg-2) 70%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.loader {
  position: fixed;
  inset: 0;
  background: #0a0e1a;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s ease-out;
}
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }

.container { max-width: 1240px; margin: 0 auto; padding: 20px; }

header { text-align: center; padding: 50px 20px 30px; background: linear-gradient(to bottom, rgba(20,30,60,0.7), transparent); backdrop-filter: blur(10px); }
header h1 { font-size: 48px; font-weight: 800; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 0 40px rgba(0,255,157,0.4); }
header p { color: var(--muted); margin-top: 10px; font-size: 18px; }

#auth-container { max-width: 420px; margin: 30px auto; padding: 40px; background: var(--glass); border-radius: var(--radius); border: 1px solid var(--border); backdrop-filter: blur(16px); box-shadow: var(--shadow); animation: float 6s ease-in-out infinite; }
#auth-container h3 { text-align: center; font-size: 26px; margin-bottom: 24px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
#auth-container input { width: 100%; padding: 14px 16px; margin: 10px 0; background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: 12px; color: var(--text); font-size: 16px; transition: all 0.3s; }
#auth-container input:focus { outline: none; border-color: var(--accent); box-shadow: var(--glow); }
#auth-container button { width: 100%; padding: 14px; margin-top: 10px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #000; font-weight: 700; border: none; border-radius: 12px; cursor: pointer; font-size: 17px; transition: all 0.4s; }
#auth-container button:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(0,255,157,0.4); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 32px; padding: 20px 0 80px; }

.tool-card { background: var(--card); border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); backdrop-filter: blur(12px); box-shadow: var(--shadow); transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1); position: relative; overflow: hidden; animation: cardFadeIn 0.8s ease-out forwards; opacity: 0; transform: translateY(40px); }
.tool-card::before { content: ''; position: absolute; inset: 0; border-radius: var(--radius); background: linear-gradient(135deg, var(--accent), var(--accent-2)); opacity: 0; transition: opacity 0.5s; pointer-events: none; }
.tool-card:hover::before { opacity: 0.12; }
.tool-card:hover { transform: translateY(-18px) scale(1.03); box-shadow: 0 30px 80px rgba(0, 255, 157, 0.35); border-color: var(--accent); }
.tool-card h3 { text-align: center; font-size: 24px; margin-bottom: 20px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; }
@keyframes cardFadeIn { to { opacity: 1; transform: translateY(0); } }

.tool-card input, .tool-card textarea { width: 100%; padding: 14px 16px; background: rgba(10, 15, 35, 0.7); border: 1px solid var(--border); border-radius: 12px; color: var(--text); font-size: 15px; margin: 8px 0; transition: all 0.3s; }
.tool-card input:focus, .tool-card textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--glow); }

.actions { display: flex; gap: 12px; justify-content: center; margin: 16px 0; flex-wrap: wrap; }
.btn-tool { padding: 11px 22px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #000; border: none; border-radius: 12px; font-weight: 700; cursor: pointer; transition: all 0.4s; font-size: 15px; }
.btn-tool:hover { transform: translateY(-4px); box-shadow: var(--glow); }
.btn-tool.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-tool.secondary:hover { border-color: var(--accent); color: var(--accent); }

#qr-canvas { display: block; margin: 20px auto; border-radius: 16px; border: 3px solid var(--accent); box-shadow: var(--glow); background: #0b1420; }

#json-output, #base64-output { background: rgba(10, 15, 35, 0.8); padding: 16px; border-radius: 12px; margin-top: 12px; max-height: 300px; overflow: auto; font-family: 'Courier New', monospace; font-size: 14.5px; line-height: 1.6; }

footer { text-align: center; padding: 40px; color: var(--muted); font-size: 15px; }

@media (max-width: 768px) { header h1 { font-size: 38px; } .tools { grid-template-columns: 1fr; gap: 24px; } #auth-container { margin: 20px 15px; padding: 30px; } .tool-card { padding: 24px; } }