* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Arial, sans-serif; }
body { background-color: #e5e7eb; display: flex; flex-direction: column; align-items: center; padding: 40px 20px; min-height: 100vh; color: #374151; }

.main-title { color: #059669; margin-bottom: 30px; font-size: 2.2rem; font-weight: 800; text-align: center; }
.container { width: 100%; max-width: 600px; }
.card { background: #ffffff; padding: 25px; border-radius: 12px; box-shadow: 0 4px 10px rgba(0,0,0,0.08); margin-bottom: 25px; border-top: 4px solid #059669; }
.section-heading { font-size: 1.2rem; font-weight: 700; margin-bottom: 15px; color: #374151; }

.display-box { 
    background-color: #f3f4f6; border: 1px solid #d1d5db; padding: 20px; border-radius: 8px; 
    text-align: center; margin-bottom: 8px; min-height: 75px; display: flex; align-items: center; justify-content: center;
}

#pass-out { font-family: 'Consolas', monospace; font-size: 1.3rem; word-break: break-all; width: 100%; color: #111827; font-weight: bold; }

.copy-link { text-align: right; margin-bottom: 20px; color: #059669; font-size: 0.9rem; cursor: pointer; font-weight: 700; transition: 0.2s; }
.copy-link:hover { color: #047857; text-decoration: underline; }

.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.check-item { display: flex; align-items: center; font-size: 0.95rem; cursor: pointer; color: #4b5563; font-weight: 500; }
.check-item input { margin-right: 8px; width: 16px; height: 16px; accent-color: #059669; }

/* Green Button */
.btn-green { width: 100%; background-color: #10b981; color: white; border: none; padding: 14px; font-size: 1rem; font-weight: 700; border-radius: 6px; cursor: pointer; transition: 0.3s; }
.btn-green:hover { background-color: #059669; }

/* Toast Notification */
#msg {
    visibility: hidden; min-width: 200px; background-color: #059669; color: #fff; text-align: center; font-weight: bold;
    border-radius: 8px; padding: 15px; position: fixed; z-index: 100; bottom: 40px; left: 50%;
    transform: translateX(-50%); font-size: 1rem; box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
#msg.active { visibility: visible; animation: popUp 2s ease-in-out; }

@keyframes popUp {
    0% { bottom: 0; opacity: 0; }
    20% { bottom: 40px; opacity: 1; }
    80% { bottom: 40px; opacity: 1; }
    100% { bottom: 0; opacity: 0; }
}
/* Custom Range Slider Styling */
input[type=range] { accent-color: #059669; }