* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #0f0f1e 0%, #1a1a2e 100%);
    color: #ffffff;
    min-height: 100vh;
    padding: 20px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}
h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.subtitle {
    text-align: center;
    color: #a0a0a0;
    margin-bottom: 2rem;
}
.email-section {
    max-width: 500px;
    margin: 0 auto 3rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}
.email-input {
    width: 100%;
    padding: 1rem;
    margin: 1rem 0;
    border: 2px solid #333;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
}
.email-input:focus {
    outline: none;
    border-color: #667eea;
}
.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.progress-section {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 30, 0.95);
    padding: 1rem;
    backdrop-filter: blur(10px);
    z-index: 100;
    display: none;
}
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-top: 60px;
}
.card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    cursor: pointer;
    position: relative;
}
.card.selected {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}
.card.selected::before {
    content: '✓';
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 30px;
    height: 30px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}
.card:hover:not(.selected) {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}
.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.domain {
    color: #667eea;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}
.ranking-section {
    display: none;
    max-width: 600px;
    margin: 0 auto;
}
.ranking-list {
    list-style: none;
    padding: 0;
}
.ranking-item {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: move;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}
.ranking-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.02);
}
.ranking-item.dragging {
    opacity: 0.5;
}
.rank-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
    margin-right: 1rem;
    width: 40px;
}
.rank-content {
    flex: 1;
}
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-content {
    background: #1a1a2e;
    border: 2px solid #667eea;
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
}
.modal h2 {
    color: #667eea;
    margin-bottom: 1rem;
}
.admin-section {
    display: none;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
}
.email-list {
    max-height: 300px;
    overflow-y: auto;
    margin: 1rem 0;
}
.email-item {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 0.5rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.hidden {
    display: none !important;
}