:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --text: #132033;
    --muted: #6b7280;
    --primary: #2563eb;
    --danger: #dc2626;
    --ok: #16a34a;
    --border: #e5e7eb;
    --shadow: 0 18px 50px rgba(15,23,42,.08);
    --radius: 20px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
    background: radial-gradient(circle at top left, #dbeafe, transparent 32rem), var(--bg);
    color: var(--text);
}

a {
    text-decoration: none;
    color: inherit;
}

button:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.brand span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    display: grid;
    place-items: center;
    font-weight: 900;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nav a {
    padding: 10px 12px;
    border-radius: 12px;
    color: #334155;
    font-weight: 700;
}

.nav a:hover,
.nav-highlight {
    background: #eff6ff;
    color: var(--primary);
}

.page {
    width: min(1180px, calc(100% - 32px));
    margin: 30px auto;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 22px;
}

.page-head h1 {
    margin: 0 0 8px;
    font-size: clamp(30px, 4vw, 46px);
    letter-spacing: -.04em;
}

.page-head p {
    margin: 0;
    color: var(--muted);
}

.head-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.panel,
.auth-card,
.stat-card,
.wallet-card {
    background: rgba(255,255,255,.95);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel,
.auth-card {
    padding: 24px;
}

.narrow {
    max-width: 720px;
}

.auth-card {
    max-width: 460px;
    margin: 90px auto;
}

.form {
    display: grid;
    gap: 16px;
}

label {
    display: grid;
    gap: 7px;
    font-weight: 700;
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 13px 14px;
    font: inherit;
    background: white;
}

.checkline {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 14px;
    padding: 12px;
}

.checkline input {
    width: auto;
    margin-top: 4px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 14px;
    padding: 12px 16px;
    background: #e5e7eb;
    color: #111827;
    font-weight: 800;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-danger {
    background: #fee2e2;
    color: #991b1b;
}

.btn-light {
    background: #f8fafc;
}

.btn-small {
    padding: 8px 10px;
    font-size: 13px;
}

.flash-wrap {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
}

.flash {
    padding: 14px 16px;
    border-radius: 14px;
    font-weight: 700;
}

.flash-success {
    background: #dcfce7;
    color: #166534;
}

.flash-danger {
    background: #fee2e2;
    color: #991b1b;
}

.info-box {
    margin-top: 18px;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    color: #475569;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    padding: 20px;
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-card strong {
    font-size: 28px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 18px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 18px;
}

.wallet-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 18px;
    margin-bottom: 18px;
}

.bar-layout {
    display: grid;
    grid-template-columns: 1fr .8fr 1.2fr;
    gap: 18px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
}

.searchbar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 14px;
}

.wallet-card {
    display: grid;
    gap: 12px;
    padding: 18px;
}

.wallet-card h2 {
    margin: 0 0 4px;
    font-size: 19px;
}

.wallet-card p {
    margin: 0;
    color: var(--muted);
}

.wallet-card strong {
    font-size: 28px;
}

.is-blocked {
    opacity: .65;
}

.badge {
    display: inline-flex;
    width: fit-content;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 900;
}

.badge-ok {
    background: #dcfce7;
    color: #166534;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.big-money,
.live-balance {
    display: block;
    font-size: clamp(42px,7vw,70px);
    font-weight: 950;
    letter-spacing: -.06em;
    margin: 10px 0 22px;
}

.qr-panel {
    text-align: center;
}

.qr-img {
    width: min(280px,100%);
    border-radius: 20px;
    border: 1px solid var(--border);
    background: white;
    padding: 12px;
}

.public-qr {
    display: block;
    margin: 12px auto 22px;
}

.quick-amounts {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 8px;
}

.quick-amounts button {
    border: 0;
    padding: 12px;
    border-radius: 14px;
    font-weight: 900;
    color: var(--primary);
    background: #eff6ff;
    cursor: pointer;
}

.scanner-box {
    min-height: 300px;
    overflow: hidden;
    border: 2px dashed #bfdbfe;
    border-radius: 18px;
    background: #eff6ff;
    display: grid;
    place-items: center;
}

.manual-token {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.scan-status {
    margin-top: 14px;
    padding: 14px;
    border-radius: 14px;
    background: #f8fafc;
    color: var(--muted);
    font-weight: 800;
}

.scan-status.ok {
    background: #dcfce7;
    color: #166534;
}

.scan-status.error {
    background: #fee2e2;
    color: #991b1b;
}

.product-buttons {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px;
}

.product-btn {
    min-height: 92px;
    border: 0;
    border-radius: 18px;
    padding: 16px;
    text-align: left;
    color: white;
    cursor: pointer;
    background: linear-gradient(135deg,#2563eb,#7c3aed);
}

.product-btn strong,
.product-btn span {
    display: block;
}

.product-btn strong {
    font-size: 19px;
    margin-bottom: 8px;
}

.product-btn span {
    font-weight: 900;
    font-size: 24px;
}

.public-body {
    background: linear-gradient(135deg,#eff6ff,#f5f3ff);
}

.public-wallet {
    width: min(720px, calc(100% - 28px));
    margin: 30px auto;
}

.public-title {
    display: flex;
    gap: 12px;
    align-items: center;
}

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

@media(max-width:1080px) {
    .stats-grid,
    .grid-3,
    .wallet-detail-grid,
    .bar-layout,
    .wallet-grid {
        grid-template-columns: 1fr;
    }
}

@media(max-width:980px) {
    .topbar,
    .page-head {
        flex-direction: column;
        align-items: stretch;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .nav {
        width: 100%;
    }

    .nav a {
        flex: 1 1 auto;
        text-align: center;
    }
}

@media(max-width:620px) {
    .page {
        width: min(100% - 20px,1180px);
        margin-top: 18px;
    }

    .topbar {
        padding: 12px;
    }

    .panel,
    .auth-card {
        padding: 18px;
    }

    .searchbar,
    .quick-amounts,
    .product-buttons {
        grid-template-columns: 1fr;
        display: grid;
    }
}