* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a1a;
    color: #e0e0ff;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 200, 255, 0.1) 0%, rgba(10, 10, 26, 0.9) 90%);
}

.container {
    width: 100%;
    max-width: 700px;
    background: rgba(10, 15, 30, 0.8);
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.3),
                0 0 40px rgba(0, 150, 255, 0.1);
    overflow: hidden;
    border: 1px solid rgba(0, 200, 255, 0.3);
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00c6ff, #0072ff, #00c6ff);
    z-index: -1;
    border-radius: 14px;
    animation: neon-border 3s linear infinite;
}

@keyframes neon-border {
    0% { filter: blur(5px); }
    50% { filter: blur(8px); }
    100% { filter: blur(5px); }
}

.header {
    background: rgba(0, 20, 40, 0.7);
    color: #00ffff;
    padding: 30px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 200, 255, 0.3);
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00c6ff, transparent);
}

.header h1 {
    font-size: 28px;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.7);
    font-weight: 700;
}

.header p {
    opacity: 0.8;
    font-size: 16px;
}

.files-list {
    padding: 20px;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid rgba(0, 200, 255, 0.1);
    transition: all 0.3s ease;
    background: rgba(10, 25, 47, 0.5);
    border-radius: 8px;
    margin-bottom: 10px;
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: rgba(20, 40, 70, 0.6);
    box-shadow: 0 0 15px rgba(0, 200, 255, 0.2);
    transform: translateX(5px);
}

.file-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 200, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    border: 1px solid rgba(0, 200, 255, 0.3);
}

.file-icon i {
    color: #00ffff;
    font-size: 20px;
    text-shadow: 0 0 8px rgba(0, 200, 255, 0.7);
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: #00ffff;
    margin-bottom: 3px;
    text-shadow: 0 0 5px rgba(0, 200, 255, 0.3);
}

.file-size {
    font-size: 14px;
    color: #7ec8e3;
}

.download-btn {
    background: linear-gradient(45deg, #00c6ff, #0072ff);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 200, 255, 0.5);
}

.download-btn:hover {
    background: linear-gradient(45deg, #0072ff, #00c6ff);
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.8);
    transform: translateY(-2px);
}

.footer {
    text-align: center;
    padding: 20px;
    background: rgba(5, 15, 30, 0.7);
    color: #7ec8e3;
    font-size: 14px;
    border-top: 1px solid rgba(0, 200, 255, 0.2);
}

.footer a {
    color: #00ffff;
    text-decoration: none;
    font-weight: 600;
    text-shadow: 0 0 5px rgba(0, 200, 255, 0.5);
}

.footer a:hover {
    text-decoration: underline;
}

/* Efeito neon em títulos */
h1, .file-name, .download-btn {
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.7);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #7ec8e3;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.5);
}