/* Starfield Animation Background */
@keyframes move-twink-back {
    from {background-position: 0 0;}
    to {background-position: -10000px 5000px;}
}

@keyframes move-clouds-back {
    from {background-position: 0 0;}
    to {background-position: 10000px 0;}
}

.stars, .twinkling {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.stars {
    background: #000 url('data:image/svg+xml;base64,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') repeat top center;
    z-index: 0;
}

.twinkling {
    background: transparent url('data:image/svg+xml;base64,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') repeat top center;
    z-index: 1;
    animation: move-twink-back 200s linear infinite;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(126, 34, 206, 0.5);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(126, 34, 206, 0.8);
}

/* Custom animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* File upload hover effect */
#fileInput + label {
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Success/Error messages */
.message-success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgb(34, 197, 94);
    color: rgb(134, 239, 172);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.message-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgb(239, 68, 68);
    color: rgb(252, 165, 165);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid #a855f7;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* File list styling */
.file-item {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgb(71, 85, 105);
    border-radius: 0.5rem;
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.file-item .file-name {
    color: rgb(203, 213, 225);
    font-weight: 500;
}

.file-item .file-size {
    color: rgb(100, 116, 139);
    font-size: 0.875rem;
}

.file-item .remove-btn {
    color: rgb(248, 113, 113);
    cursor: pointer;
    transition: color 0.2s;
}

.file-item .remove-btn:hover {
    color: rgb(252, 165, 165);
}