* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0015 0%, #1a0033 50%, #0a0015 100%);
    background-attachment: fixed;
    color: #ffffff;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #d4af37 0%, #00cc6a 100%);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #9d4edd 0%, #6603a8 100%);
    color: #fff;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
}

.hidden {
    display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 136, 0.5);
    border-radius: 3px;
}

/* Toast */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: #000;
    padding: 15px 20px;
    border-radius: 10px;
    font-weight: bold;
    z-index: 10000;
    animation: slideIn 0.3s ease;
}

.toast.error {
    background: linear-gradient(135deg, #ff4444 0%, #cc0000 100%);
    color: #fff;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}