:root {
    --bg: #0e0f13;
    --bg-elevated: #15161c;
    --card: #1a1c23;
    --card-hover: #202229;
    --border: #2a2c34;
    --text: #f2f3f7;
    --text-dim: #8b8f9a;
    --accent: #d4d4d8;
    --accent-2: #e4e4e7;
    --accent-grad: #3f3f46;
    --gold: #c9c2ad;
    --success: #7dab8c;
    --danger: #c98686;
    font-family: "Segoe UI", Pretendard, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(10, 12, 20, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.wordmark {
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
}
.wordmark span {
    color: var(--accent-2);
}

.toplinks {
    display: flex;
    gap: 6px;
    flex: 1;
}

.toplinks a {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 14px;
    border-radius: 8px;
}
.toplinks a:hover { color: var(--text); background: var(--card); }
.toplinks a.active { color: var(--text); background: var(--card); box-shadow: inset 0 -2px 0 var(--accent); }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.player-tag {
    font-size: 0.85rem;
    color: var(--text-dim);
    padding: 6px 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
}
.btn-ghost:hover { color: var(--danger); border-color: var(--danger); }

main {
    flex: 1;
    max-width: 1120px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 24px 60px;
}

.hero {
    padding: 48px 8px 40px;
    text-align: center;
}
.hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 10px;
    letter-spacing: -0.01em;
}
.hero p {
    color: var(--text-dim);
    font-size: 1rem;
    max-width: 520px;
    margin: 0 auto;
}

.balance-strip {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 28px;
}
.balance-pill {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 22px;
    text-align: left;
}
.balance-pill .label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.balance-pill .value {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--accent-2);
}

.category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 28px 0 32px;
}
.category-tabs button {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
}
.category-tabs button:hover { color: var(--text); }
.category-tabs button.active {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
}

.section-title {
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin: 36px 0 16px;
    padding-left: 2px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
    position: relative;
    overflow: hidden;
}
.product-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent-grad);
}
.product-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    background: var(--card-hover);
}

.product-name {
    font-weight: 700;
    font-size: 1.02rem;
}
.product-desc {
    color: var(--text-dim);
    font-size: 0.84rem;
    line-height: 1.5;
    flex: 1;
}
.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 6px;
}
.price-tag {
    font-weight: 800;
    color: var(--gold);
    font-size: 1rem;
}
.price-tag small {
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.72rem;
}

button, .btn {
    background: var(--accent-grad);
    color: #fff;
    border: none;
    padding: 9px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.86rem;
    font-weight: 700;
}
button:hover { filter: brightness(1.1); }
button.danger { background: rgba(248, 113, 113, 0.12); color: var(--danger); }
button.secondary { background: var(--card); color: var(--text-dim); border: 1px solid var(--border); }
button:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 20px;
}
.card h2 {
    margin: 0 0 14px;
    font-size: 1.02rem;
    font-weight: 800;
}

.flash {
    max-width: 1120px;
    margin: 20px auto 0;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
}
.flash.success { background: rgba(74, 222, 128, 0.1); color: var(--success); border: 1px solid rgba(74,222,128,0.3); }
.flash.error { background: rgba(248, 113, 113, 0.1); color: var(--danger); border: 1px solid rgba(248,113,113,0.3); }

input[type=text], input[type=password], input[type=number] {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 11px 14px;
    border-radius: 8px;
    font-size: 0.92rem;
    width: 100%;
}
input:focus { outline: none; border-color: var(--accent); }

label { font-size: 0.8rem; color: var(--text-dim); display: block; margin-bottom: 6px; margin-top: 14px; font-weight: 600; }
label:first-child { margin-top: 0; }

table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

.status-pill { padding: 3px 10px; border-radius: 999px; font-size: 0.74rem; font-weight: 800; }
.status-pill.ok { background: rgba(74,222,128,0.15); color: var(--success); }
.status-pill.pending { background: rgba(251,191,36,0.15); color: var(--gold); }
.status-pill.failed { background: rgba(248,113,113,0.15); color: var(--danger); }

.login-wrap {
    max-width: 380px;
    margin: 60px auto;
    padding: 0 20px;
}
.login-wrap .card { padding: 32px; }
.login-wrap h1 {
    text-align: center;
    font-size: 1.3rem;
    margin: 0 0 4px;
}
.login-wrap .sub {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 22px;
}
.oauth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dim);
    font-size: 0.76rem;
    margin: 22px 0 14px;
}
.oauth-divider::before, .oauth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}
.soon-badge {
    font-size: 0.66rem;
    font-weight: 800;
    color: var(--text-dim);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 2px 7px;
    border-radius: 999px;
    margin-left: 6px;
    vertical-align: middle;
}

.muted { color: var(--text-dim); font-size: 0.85rem; }
.row { display: flex; gap: 10px; align-items: center; }
.table-wrap { width: 100%; overflow-x: auto; }

.site-footer {
    text-align: center;
    padding: 24px;
    color: var(--text-dim);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .topbar-inner { flex-wrap: wrap; gap: 12px; padding: 14px 16px; }
    .toplinks { order: 3; width: 100%; justify-content: center; }
    main { padding: 20px 16px 40px; }
    .hero h1 { font-size: 1.6rem; }
    .balance-strip { flex-direction: column; align-items: center; }
    .grid { grid-template-columns: 1fr; }
    .card { padding: 18px; }
}