:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #152033;
    --muted: #64748b;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #0f172a;
    --danger: #dc2626;
    --success: #15803d;
    --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #e0ecff 0, transparent 32rem), var(--bg);
    color: var(--text);
    line-height: 1.5;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
    font-weight: 800;
    font-size: 1.05rem;
}

.brand:hover {
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: var(--accent);
    color: white;
    font-size: 1.25rem;
}

.nav {
    display: flex;
    gap: 6px;
    align-items: center;
}

.nav a {
    color: var(--text);
    padding: 9px 12px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .93rem;
}

.nav a:hover {
    text-decoration: none;
    background: var(--surface-soft);
}

.nav-toggle {
    display: none;
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 8px 11px;
    border-radius: 10px;
    font-size: 1.1rem;
}

.main {
    padding: 34px 0 64px;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 22px 0;
    color: var(--muted);
    font-size: .9rem;
}

.site-footer .container {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

h1, h2, h3 {
    margin: 0;
    line-height: 1.1;
}

h1 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    letter-spacing: -0.045em;
}

h2 {
    font-size: 1.1rem;
    letter-spacing: -0.015em;
}

p {
    margin: 0;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .76rem;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 10px;
}

.lead {
    color: var(--muted);
    font-size: 1.1rem;
    margin-top: 18px;
    max-width: 58ch;
}

.lead-small {
    color: var(--muted);
    margin-top: 10px;
}

.hero-card {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 28px;
    align-items: center;
    padding: clamp(28px, 6vw, 58px);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.login-card,
.panel,
.list-card,
.feature-card,
.empty-state,
.coverage-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.login-card {
    padding: 24px;
    display: grid;
    gap: 12px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--text);
    font-weight: 700;
    font-size: .92rem;
}

input, select, textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: var(--text);
    border-radius: 12px;
    padding: 11px 12px;
    font: inherit;
    font-weight: 500;
}

input:focus, select:focus, textarea:focus {
    outline: 3px solid rgba(37, 99, 235, .14);
    border-color: var(--primary);
}

textarea {
    resize: vertical;
}

.button,
button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 999px;
    padding: 10px 16px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    min-height: 42px;
}

.button:hover,
button.button:hover {
    text-decoration: none;
    background: var(--surface-soft);
}

.button-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.button-primary:hover {
    background: var(--primary-dark);
}

.helper,
.muted {
    color: var(--muted);
    font-size: .88rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 22px;
}

.feature-card {
    padding: 22px;
}

.feature-card p {
    color: var(--muted);
    margin-top: 10px;
}

.page-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.actions-row,
.card-actions,
.form-actions,
.price-links,
.quick-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}

.list-card {
    padding: 22px;
    display: grid;
    gap: 18px;
}

.list-card p {
    color: var(--muted);
    margin-top: 8px;
}

.stats-inline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 0;
}

.stats-inline div,
.summary-strip div {
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
}

.stats-inline dt,
.summary-strip span {
    display: block;
    color: var(--muted);
    font-size: .76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.stats-inline dd,
.summary-strip strong {
    display: block;
    margin: 4px 0 0;
    font-size: 1.1rem;
}

.panel {
    padding: 24px;
    margin-bottom: 22px;
}

.narrow-panel {
    max-width: 680px;
}

.stack-form {
    display: grid;
    gap: 14px;
    margin-top: 16px;
}

.alert {
    border-radius: 14px;
    padding: 13px 14px;
    margin-bottom: 18px;
    font-weight: 700;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.summary-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 22px;
}

.value .summary-strip {
    grid-template-columns: repeat(5, 1fr);
}

.gear-table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gear-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .94rem;
}

.gear-table th {
    background: var(--surface-soft);
    color: var(--muted);
    text-align: left;
    font-size: .76rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 13px 14px;
}

.gear-table td {
    padding: 15px 14px;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}

.table-subline {
    display: block;
    color: var(--muted);
    font-size: .84rem;
    margin-top: 2px;
}

.status-pill {
    display: inline-flex;
    padding: 5px 9px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: .8rem;
    font-weight: 800;
    text-transform: capitalize;
}

.row-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.row-actions form {
    margin: 0;
}

.row-actions button {
    border: 0;
    background: transparent;
    color: var(--danger);
    font: inherit;
    cursor: pointer;
    padding: 0;
}

.gear-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.form-section {
    display: grid;
    gap: 14px;
    align-content: start;
    padding: 18px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.form-section h2 {
    margin-bottom: 3px;
}

.full {
    grid-column: 1 / -1;
}

.checkbox-line {
    display: flex;
    grid-template-columns: none;
    align-items: center;
    gap: 9px;
}

.checkbox-line input {
    width: auto;
}

.empty-state {
    text-align: center;
    padding: 42px 24px;
}

.empty-state p {
    color: var(--muted);
    margin: 10px auto 18px;
}

.price-links {
    margin-bottom: 18px;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--muted);
    font-weight: 700;
}

.price-links a,
.quick-links a {
    font-weight: 800;
}

.filters-form {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 14px;
}

.filters-form label {
    min-width: 220px;
}

.coverage-panel {
    padding: 22px;
    overflow-x: auto;
}

.chart-scale {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    color: var(--muted);
    font-size: .78rem;
    font-weight: 800;
    margin-left: min(38%, 360px);
    padding: 0 8px 8px;
    min-width: 420px;
}

.chart-scale span:nth-child(n+2) {
    text-align: center;
}

.chart-scale span:last-child {
    text-align: right;
}

.coverage-chart {
    display: grid;
    gap: 11px;
    min-width: 740px;
}

.coverage-row {
    display: grid;
    grid-template-columns: minmax(230px, 38%) 1fr;
    gap: 14px;
    align-items: center;
}

.coverage-label strong {
    display: block;
    font-size: .9rem;
}

.coverage-label span {
    color: var(--muted);
    font-size: .8rem;
}

.coverage-track {
    position: relative;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background:
        linear-gradient(to right, rgba(148,163,184,.2) 1px, transparent 1px),
        var(--surface-soft);
    background-size: 25% 100%;
    overflow: hidden;
}

.coverage-bar {
    position: absolute;
    top: 5px;
    bottom: 5px;
    min-width: 12px;
    border-radius: 999px;
    background: linear-gradient(90deg, #2563eb, #0f172a);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-inline: 8px;
    font-size: .76rem;
    font-weight: 900;
    white-space: nowrap;
}

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

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

@media (max-width: 900px) {
    .hero-card,
    .feature-grid,
    .list-grid,
    .gear-form,
    .summary-strip {
        grid-template-columns: 1fr;
    }

    .page-heading {
        flex-direction: column;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav {
        position: absolute;
        top: 68px;
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 10px;
        box-shadow: var(--shadow);
    }

    .nav.is-open {
        display: flex;
    }

    .nav a {
        border-radius: 12px;
    }

    .gear-table,
    .gear-table thead,
    .gear-table tbody,
    .gear-table th,
    .gear-table td,
    .gear-table tr {
        display: block;
    }

    .gear-table thead {
        display: none;
    }

    .gear-table tr {
        border-top: 1px solid var(--border);
        padding: 12px;
    }

    .gear-table tr:first-child {
        border-top: 0;
    }

    .gear-table td {
        display: grid;
        grid-template-columns: 112px 1fr;
        gap: 10px;
        border-top: 0;
        padding: 8px 4px;
    }

    .gear-table td::before {
        content: attr(data-label);
        color: var(--muted);
        font-weight: 800;
        font-size: .78rem;
        text-transform: uppercase;
        letter-spacing: .07em;
    }

    .row-actions {
        justify-content: flex-start;
    }

    .chart-scale,
    .coverage-chart {
        min-width: 680px;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(100% - 22px, 1120px);
    }

    .main {
        padding-top: 22px;
    }

    .hero-card,
    .panel,
    .list-card,
    .coverage-panel {
        border-radius: 16px;
    }

    .stats-inline {
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
    }

    .actions-row,
    .card-actions,
    .form-actions {
        width: 100%;
    }

    .filters-form label,
    .filters-form .button {
        width: 100%;
        min-width: 0;
    }
}
.value-strip {
    grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 900px) {
    .value-strip {
        grid-template-columns: 1fr;
    }
}