:root {
    color-scheme: dark;
    --bg: #080a12;
    --panel: #111623;
    --panel-strong: #171d2d;
    --line: rgba(255, 255, 255, 0.11);
    --text: #f6f8ff;
    --muted: #a7b0c4;
    --cyan: #39d7ff;
    --lime: #9df06f;
    --pink: #ff5fbf;
    --amber: #ffc857;
    --danger: #ff6b6b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(57, 215, 255, 0.08), transparent 280px),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 80px),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button,
input {
    font: inherit;
}

.shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 22px 0 48px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 58px;
    border-bottom: 1px solid var(--line);
}

.brand,
.nav {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand {
    font-weight: 800;
    letter-spacing: 0;
}

.brand-mark {
    width: 24px;
    height: 24px;
    display: inline-block;
    border: 2px solid var(--cyan);
    background: linear-gradient(135deg, var(--cyan), var(--pink));
    box-shadow: 0 0 24px rgba(57, 215, 255, 0.28);
}

.nav {
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
}

.nav a,
.nav-button {
    color: var(--muted);
    border: 1px solid transparent;
    background: transparent;
    padding: 8px 10px;
    cursor: pointer;
}

.nav a:hover,
.nav-button:hover {
    color: var(--text);
    border-color: var(--line);
}

.inline-form {
    margin: 0;
}

.messages {
    display: grid;
    gap: 10px;
    margin: 18px 0;
}

.message {
    border: 1px solid var(--line);
    background: rgba(17, 22, 35, 0.9);
    padding: 12px 14px;
    border-left: 3px solid var(--cyan);
}

.message-error {
    border-left-color: var(--danger);
}

.message-success {
    border-left-color: var(--lime);
}

.hero-band,
.page-heading,
.auth-panel {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 24px;
    align-items: end;
    padding: 40px 0 24px;
}

.hero-band h1,
.page-heading h1,
.auth-panel h1 {
    margin: 0;
    font-size: clamp(36px, 7vw, 74px);
    line-height: 0.95;
    letter-spacing: 0;
}

.hero-sub,
.panel-copy {
    color: var(--muted);
    line-height: 1.6;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--lime);
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.status-grid {
    display: grid;
    gap: 10px;
}

.status-pill,
.balance-chip,
.soft-badge {
    border: 1px solid var(--line);
    background: rgba(17, 22, 35, 0.76);
}

.status-pill,
.balance-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px;
}

.status-pill span,
.balance-chip span,
.metric-pair span,
.ledger-row span {
    color: var(--muted);
    font-size: 13px;
}

.notice-strip {
    border: 1px solid rgba(255, 200, 87, 0.35);
    background: rgba(255, 200, 87, 0.08);
    color: #ffe2a3;
    padding: 13px 14px;
    margin-bottom: 20px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.panel,
.form-card,
.gpu-card {
    border: 1px solid var(--line);
    background: rgba(17, 22, 35, 0.86);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}

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

.wide {
    grid-column: span 2;
}

.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}

.panel h2,
.gpu-card h2 {
    margin: 0;
    font-size: 22px;
    letter-spacing: 0;
}

.primary-button,
.ghost-button {
    border: 1px solid var(--cyan);
    background: var(--cyan);
    color: #031018;
    font-weight: 800;
    padding: 11px 14px;
    cursor: pointer;
}

.primary-button:hover {
    filter: brightness(1.08);
}

.primary-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.compact {
    padding: 8px 12px;
}

.full {
    width: 100%;
}

.ghost-button {
    background: transparent;
    color: var(--cyan);
}

.soft-badge {
    color: var(--text);
    padding: 7px 9px;
    white-space: nowrap;
}

.mini-list,
.ledger-list {
    display: grid;
    gap: 8px;
}

.scroll-panel-body {
    max-height: 260px;
    overflow-y: auto;
    padding-right: 6px;
    scrollbar-color: rgba(57, 215, 255, 0.55) rgba(255, 255, 255, 0.06);
}

.mini-row,
.ledger-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--line);
    padding-top: 10px;
}

.ledger-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
}

.hash-ledger-row {
    grid-template-columns: minmax(0, 1fr) 128px minmax(96px, 120px);
    column-gap: 28px;
}

.hash-ledger-row span,
.hash-ledger-row strong {
    min-width: 0;
}

.hash-ledger-row span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hash-ledger-row span:nth-child(2) {
    justify-self: start;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.hash-ledger-row strong {
    justify-self: end;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.positive {
    color: var(--lime);
}

.negative {
    color: var(--pink);
}

.gpu-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.gpu-card {
    overflow: hidden;
}

.gpu-image,
.gpu-placeholder {
    width: 100%;
    aspect-ratio: 16 / 10;
}

.gpu-image {
    display: block;
    object-fit: cover;
}

.gpu-placeholder {
    display: grid;
    place-items: center;
    position: relative;
    background:
        linear-gradient(135deg, rgba(57, 215, 255, 0.18), rgba(255, 95, 191, 0.14)),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 18px),
        #151b2a;
}

.gpu-placeholder span {
    width: 44%;
    aspect-ratio: 1.75 / 1;
    border: 2px solid var(--cyan);
    background:
        linear-gradient(90deg, transparent 0 16%, rgba(157, 240, 111, 0.7) 16% 20%, transparent 20% 36%, rgba(255, 95, 191, 0.65) 36% 40%, transparent 40%),
        rgba(8, 10, 18, 0.64);
}

.gpu-placeholder.lanes-4 span {
    background:
        linear-gradient(90deg, transparent 0 12%, rgba(157, 240, 111, 0.72) 12% 15%, transparent 15% 28%, rgba(57, 215, 255, 0.7) 28% 31%, transparent 31% 44%, rgba(255, 200, 87, 0.72) 44% 47%, transparent 47% 60%, rgba(255, 95, 191, 0.68) 60% 63%, transparent 63%),
        rgba(8, 10, 18, 0.64);
}

.gpu-placeholder.lanes-6 span {
    background:
        linear-gradient(90deg, transparent 0 9%, rgba(157, 240, 111, 0.74) 9% 11%, transparent 11% 21%, rgba(57, 215, 255, 0.72) 21% 23%, transparent 23% 33%, rgba(255, 200, 87, 0.74) 33% 35%, transparent 35% 45%, rgba(255, 95, 191, 0.7) 45% 47%, transparent 47% 57%, rgba(157, 240, 111, 0.72) 57% 59%, transparent 59% 69%, rgba(57, 215, 255, 0.7) 69% 71%, transparent 71%),
        rgba(8, 10, 18, 0.64);
}

.gpu-placeholder strong {
    position: absolute;
    bottom: 14px;
    color: var(--text);
    font-size: 14px;
    font-weight: 800;
}

.gpu-card-body {
    display: grid;
    gap: 14px;
    padding: 16px;
}

.metric-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.metric-pair div {
    border: 1px solid var(--line);
    background: rgba(8, 10, 18, 0.4);
    padding: 10px;
}

.auth-panel {
    align-items: start;
}

.form-card,
.stacked-form {
    display: grid;
    gap: 13px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 13px;
}

input {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(8, 10, 18, 0.8);
    color: var(--text);
    padding: 11px 12px;
}

.muted-link {
    color: var(--muted);
    font-size: 14px;
}

.address-box {
    display: block;
    overflow-wrap: anywhere;
    border: 1px dashed rgba(57, 215, 255, 0.55);
    background: rgba(57, 215, 255, 0.08);
    padding: 14px;
    color: var(--cyan);
}

.qr-image {
    width: min(100%, 280px);
    aspect-ratio: 1 / 1;
    display: block;
    margin: 0 auto;
    border: 12px solid #ffffff;
    background: #ffffff;
}

.market-owned {
    margin-top: 16px;
}

.pagination-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
    min-height: 34px;
    margin-top: 14px;
}

@media (max-width: 880px) {
    .hero-band,
    .page-heading,
    .auth-panel,
    .dashboard-grid,
    .history-grid,
    .gpu-grid {
        grid-template-columns: 1fr;
    }

    .wide {
        grid-column: span 1;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .shell {
        width: min(100% - 20px, 1180px);
        padding-top: 14px;
    }

    .hero-band h1,
    .page-heading h1,
    .auth-panel h1 {
        font-size: 38px;
    }

    .ledger-row {
        grid-template-columns: 1fr;
    }

    .hash-ledger-row {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .hash-ledger-row span:first-child {
        grid-column: 1 / -1;
    }
}