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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #152736;
}

::-webkit-scrollbar-thumb {
    background: #294d73;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a5f87;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #192e45;
    min-height: 100vh;
    padding: 0;
    color: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

header {
    background: #294d73;
    padding: 60px 40px;
    text-align: center;
    border-bottom: 3px solid #ffcd00;
}

header h1 {
    font-size: 3em;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

header p {
    color: #e0e0e0;
    font-size: 1.2em;
    font-weight: 400;
}

.controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    padding: 40px;
    background: #1d3a54;
    flex-wrap: wrap;
}

button {
    padding: 16px 40px;
    font-size: 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #ffcd00;
    color: #192e45;
}

.btn-primary:hover:not(:disabled) {
    background: #ffda3d;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.status {
    text-align: center;
    padding: 20px 40px;
    margin: 0;
    border-radius: 0;
    font-weight: 500;
    display: none;
    font-size: 15px;
}

.status.info {
    background: #294d73;
    color: #ffcd00;
    border-bottom: 2px solid #ffcd00;
    display: block;
}

.status.error {
    background: #4a2c2c;
    color: #ff6b6b;
    border-bottom: 2px solid #ff6b6b;
    display: block;
}

.status.success {
    background: #2c4a2c;
    color: #69db7c;
    border-bottom: 2px solid #69db7c;
    display: block;
}

.closest-server {
    background: #234057;
    color: white;
    padding: 50px 40px;
    margin: 0;
    text-align: center;
    display: none;
    border-bottom: 1px solid #2c4f6b;
}

.closest-server.show {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.closest-server h2 {
    font-size: 1.2em;
    margin-bottom: 20px;
    color: #ffcd00;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.closest-server .server-name {
    font-size: 2.5em;
    font-weight: 700;
    margin: 15px 0;
    color: #ffffff;
    font-family: 'Courier New', monospace;
}

.closest-server .server-info {
    font-size: 1.1em;
    margin: 10px 0;
    color: #b8c9d9;
}

.servers-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1px;
    background: #152736;
    padding: 0;
    margin: 0;
}

.server-card {
    background: #1d3a54;
    border: none;
    border-radius: 0;
    padding: 25px 30px;
    transition: all 0.2s ease;
    cursor: pointer;
    border-bottom: 1px solid #152736;
}

.server-card:hover {
    background: #234057;
    border-left: 4px solid #ffcd00;
    padding-left: 26px;
}

.server-card.closest {
    background: #2d4a5e;
    border-left: 4px solid #ffcd00;
    padding-left: 26px;
}

.server-card .server-name {
    font-size: 1.2em;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    font-family: 'Courier New', monospace;
}

.server-card.closest .server-name {
    color: #ffcd00;
}

.server-card .server-country {
    font-size: 1em;
    color: #b8c9d9;
    margin-bottom: 8px;
}

.server-card.closest .server-country {
    color: #e0ecf7;
}

.server-card .server-city {
    font-size: 0.9em;
    color: #8195a5;
    margin-bottom: 6px;
}

.server-card.closest .server-city {
    color: #b8c9d9;
}

.server-card .server-distance {
    font-size: 0.85em;
    color: #6b7f91;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #294557;
}

.server-card.closest .server-distance {
    color: #b8c9d9;
    border-top-color: #3d5a70;
}

.city-header {
    cursor: pointer;
}

.expand-icon {
    transition: transform 0.3s ease;
    user-select: none;
}

.server-list-container {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-block;
    background: #ffcd00;
    color: #192e45;
    padding: 4px 14px;
    border-radius: 3px;
    font-size: 0.7em;
    font-weight: 700;
    margin-left: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-ping {
    margin-top: 20px;
    background: transparent;
    color: #ffcd00;
    border: 2px solid #ffcd00;
    padding: 12px 30px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

.btn-ping:hover {
    background: #ffcd00;
    color: #192e45;
}

footer {
    background: #152736;
    padding: 40px;
    text-align: center;
    color: #6b7f91;
    font-size: 0.9em;
    border-top: 1px solid #1d3a54;
}

footer p {
    margin: 8px 0;
}

footer a {
    color: #ffcd00;
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: #ffda3d;
    text-decoration: underline;
}

@media (max-width: 768px) {
    header {
        padding: 40px 20px;
    }

    header h1 {
        font-size: 2em;
    }

    header p {
        font-size: 1em;
    }

    .controls {
        padding: 30px 20px;
        flex-direction: column;
    }

    button {
        width: 100%;
    }

    .servers-list {
        grid-template-columns: 1fr;
    }

    .closest-server {
        padding: 40px 20px;
    }

    .closest-server .server-name {
        font-size: 1.8em;
    }
}