/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Card */
.card {
    background: #ffffff;
    padding: 50px 45px 45px;
    border-radius: 24px;
    text-align: center;
    max-width: 440px;
    width: 90%;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
}

/* Decorative top line */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    background-size: 300% 100%;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Icon */
.icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea15, #764ba215);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    border: 2px solid #667eea30;
}

/* Title */
.title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.3;
    margin-bottom: 8px;
}

.title span {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtitle */
.subtitle {
    color: #888;
    font-size: 14px;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Buttons */
.btn-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    letter-spacing: 0.3px;
}

.btn-yes {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-yes::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-yes:hover::after {
    opacity: 1;
}

.btn-yes:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.btn-yes:active {
    transform: translateY(0px) scale(0.97);
}

.btn-no {
    background: #f5f5f5;
    color: #666;
    border: 2px solid #eee;
}

.btn-no:hover {
    background: #eee;
    border-color: #ddd;
    color: #333;
    transform: translateY(-2px);
}

.btn-no:active {
    transform: scale(0.97);
}

/* Footer text */
.footer-text {
    margin-top: 24px;
    color: #bbb;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-text i {
    font-style: normal;
    display: inline-block;
    animation: blink 1.4s ease infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Responsive */
@media (max-width: 480px) {
    .card {
        padding: 35px 25px 30px;
    }

    .title {
        font-size: 22px;
    }

    .icon-wrapper {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }
}