:root {
    --green: #1DB954;
    --background: #121212;
    --surface: #1c1c1c;
    --border: #303030;
    --text: #ffffff;
    --muted: #a7a7a7;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 24px 6%;
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-icon {
    background: var(--green);
    color: #121212;
    font-size: 22px;
    font-weight: 900;
    padding: 16px;
    border-radius: 12px;
}

.brand h1 {
    font-size: 19px;
    margin: 0 0 6px;
}

.brand p, .intro p, .card p {
    color: var(--muted);
}

.brand p {
    font-size: 12px;
    margin: 0;
}

.status {
    color: var(--green);
    font-size: 13px;
}

.container {
    width: min(1100px, 88%);
    margin: 70px auto;
    flex: 1;
}

.eyebrow {
    color: var(--green) !important;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 3px;
}

.intro h2 {
    font-size: clamp(38px, 6vw, 64px);
    margin: 12px 0;
}

.green {
    color: var(--green);
}

.intro > p:last-child {
    font-size: 16px;
}

.summary {
    background: linear-gradient(120deg, #173d26, #1b1b1b);
    border: 1px solid #28633d;
    border-radius: 16px;
    padding: 28px 32px;
    margin: 36px 0 24px;
}

.summary p {
    margin: 0;
    color: #c4d8c9;
}

.summary h3 {
    color: var(--green);
    font-size: 56px;
    margin: 10px 0 0;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 26px;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category {
    color: var(--green);
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 2px;
}

.indicator {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
}

.card h3 {
    font-size: 27px;
    margin: 30px 0 8px;
}

.card p {
    font-size: 13px;
    margin: 0;
}

.count {
    font-size: 54px;
    font-weight: bold;
    margin: 28px 0;
}

button {
    background: var(--green);
    color: #121212;
    border: none;
    border-radius: 8px;
    padding: 14px;
    width: 100%;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #1ed760;
}

button:disabled {
    opacity: 0.6;
    cursor: wait;
}

#error {
    color: #ff7777;
    margin-top: 20px;
}

footer {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 24px 6%;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 1px;
}

@media (max-width: 750px) {
    .header, footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .container {
        margin: 40px auto;
    }

    .cards {
        grid-template-columns: 1fr;
    }
}