:root {
    --bg-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --text-color: #ffffff;
    --btn-color: #ffffff;
    --btn-text: #dc2743;
    --vip-color: #ffd700;
    --vip-text: #000000;
}

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 40px 20px;
    width: 85%;
    max-width: 400px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    text-align: center;
    color: var(--text-color);
}

.content-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

h1 { font-size: 24px; margin: 0; }
h2 { font-size: 22px; margin: 0; }
p { font-size: 16px; line-height: 1.5; opacity: 0.9; }

.hidden { display: none !important; }

.btn-primary {
    background: var(--btn-color);
    color: var(--btn-text);
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-primary:active { transform: scale(0.95); }

.btn-vip {
    background: var(--vip-color);
    color: var(--vip-text);
}

.btn-secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    cursor: pointer;
    width: 100%;
    font-weight: bold;
}

.icon-lock { font-size: 60px; margin-bottom: 10px; }

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Overlays */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.overlay-content {
    color: white;
    text-align: center;
    padding: 20px;
}

.modal-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 30px;
    max-width: 320px;
    width: 80%;
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
}

.arrow-up {
    font-size: 50px;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-20px);}
    60% {transform: translateY(-10px);}
}