body {
    font-family: 'Inter', sans-serif;
    background-color: #111827;
    color: #d1d5db;
}
/* For custom scrollbars */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1f2937; }
::-webkit-scrollbar-thumb { background: #4b5563; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #6b7280; }

/* Mobile Device Mockup */
.mobile-device {
    width: 280px;
    height: 550px;
    background: #1f2937;
    border: 8px solid #000;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    padding: 15px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease;
}
.mobile-device:hover {
     transform: translateY(-5px);
}
.mobile-device::before {
    content: '';
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 20px;
    background: #000;
    border-radius: 0 0 10px 10px;
    z-index: 10;
}
.mobile-screen {
    background: #fff;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
}
.mobile-screen iframe {
    width: 100%;
    height: 100%;
    border: none;
}
.mobile-device .info {
    padding: 5px 0;
    font-size: 12px;
    text-align: center;
    color: #9ca3af;
}
.delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(255, 0, 0, 0.7);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 14px;
    line-height: 24px;
    text-align: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s, background-color 0.3s;
    z-index: 20;
}
.mobile-device:hover .delete-btn {
    opacity: 1;
}
.delete-btn:hover {
     background-color: rgba(255, 0, 0, 1);
}

/* Spinner for loading state */
.loader {
    border: 4px solid #f3f3f340;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal styling */
.modal {
    transition: opacity 0.3s ease;
}
.modal-content {
    transition: transform 0.3s ease;
}

/* Tabs styling */
.tab-btn.active {
    background-color: #3b82f6;
    color: white;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}