:root {
    color-scheme: dark;
    --bg: #090b13;
    --surface: #151927;
    --border: #30364a;
    --text: #f3f4fa;
    --muted: #9da6bd;
    --accent: #9565ff;
    --accent-light: #bd9aff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 50% 0%, #252044 0%, transparent 55%),
        var(--bg);
    color: var(--text);
    font-family: Inter, Arial, sans-serif;
}

button, input {
    font: inherit;
}

button {
    cursor: pointer;
}

.topbar {
    min-height: 76px;
    padding: 20px max(24px, calc((100vw - 1200px) / 2));
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    background: #0c0e18dd;
}

.brand {
    font-size: 21px;
    font-weight: 900;
    letter-spacing: 2px;
}

.brand span {
    color: var(--accent-light);
}

.container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 65px 0 90px;
}

.hero {
    text-align: center;
    margin-bottom: 45px;
}

.eyebrow {
    color: var(--accent-light);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 3px;
}

.hero h1 {
    font-size: clamp(34px, 5vw, 66px);
    line-height: 1.1;
    letter-spacing: -2px;
    margin: 20px 0;
}

.hero h1 span {
    color: var(--accent-light);
}

.hero p,
.dashboard-heading p {
    color: var(--muted);
    line-height: 1.7;
}

.panel {
    width: min(460px, 100%);
    margin: 0 auto;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: #171a2ae8;
    box-shadow: 0 20px 70px #0006;
}

.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.tabs button {
    flex: 1;
    padding: 14px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--muted);
    font-weight: 800;
}

.tabs button.active {
    color: var(--accent-light);
    border-color: var(--accent);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-form h2 {
    margin: 0 0 8px;
    font-size: 23px;
}

.auth-form p {
    color: var(--muted);
    margin: 0;
}

.auth-form label {
    display: flex;
    flex-direction: column;
    gap: 9px;
    color: #c8cede;
    font-size: 13px;
    font-weight: 700;
}

.auth-form input {
    width: 100%;
    padding: 14px;
    border: 1px solid #3b4258;
    border-radius: 9px;
    outline: none;
    background: #0d101b;
    color: white;
}

.auth-form input:focus {
    border-color: var(--accent);
}

.primary {
    padding: 15px;
    border: none;
    border-radius: 9px;
    background: linear-gradient(135deg, #7744ed, #a778ff);
    color: white;
    font-weight: 900;
}

.primary:hover {
    filter: brightness(1.12);
}

.primary:disabled {
    opacity: .6;
    cursor: wait;
}

.text-button {
    padding: 8px;
    background: none;
    border: none;
    color: var(--accent-light);
}

#auth-message {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.5;
}

#auth-message:empty {
    display: none;
}

#auth-message.error {
    color: #ff9696;
}

#auth-message.success {
    color: #8de5b5;
}

.hidden,
.auth-form.hidden {
    display: none !important;
}

.dashboard-heading {
    margin-bottom: 30px;
}

.dashboard-heading h2 {
    font-size: 30px;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.game-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
}

.game-art {
    height: 170px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #292045, #5939a1);
    font-size: 55px;
    font-weight: 900;
    color: #ffffffaa;
}

.game-info {
    padding: 22px;
}

.game-info h3 {
    margin: 0 0 10px;
}

.game-info p {
    color: var(--muted);
    margin: 0;
}

#account-bar button {
    padding: 10px 17px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #202437;
    color: white;
}

footer {
    padding: 25px;
    text-align: center;
    color: #69738c;
    font-size: 12px;
    letter-spacing: 2px;
}

@media (max-width: 600px) {
    .topbar {
        padding: 20px;
    }

    .brand {
        font-size: 16px;
    }

    .container {
        padding-top: 45px;
    }

    .panel {
        padding: 22px;
    }

    .hero h1 {
        letter-spacing: -1px;
    }
}