:root {
    --ink: #061729;
    --muted: #64748b;
    --panel: #ffffff;
    --line: #dce7f5;
    --soft: #f3f8fd;
    --brand: #0098ff;
    --brand-deep: #004fb9;
    --brand-dark: #032748;
    --cyan: #00c2ff;
    --ok: #10b981;
    --warn: #f59e0b;
    --bad: #ef4444;
    --shadow: 0 18px 45px rgba(3, 39, 72, .12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: #eef5fb;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
    font: inherit;
}

.app-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 28px;
    color: #fff;
    background: linear-gradient(180deg, var(--brand-dark), #04111f 72%);
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    width: 100%;
    min-height: 82px;
    padding: 12px 16px;
    border-radius: 8px;
    background: #fff;
    color: inherit;
    text-decoration: none;
}

.brand-mark {
    display: block;
    width: 190px;
    height: 58px;
    overflow: hidden;
}

.brand-mark img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav-item {
    width: 100%;
    border: 0;
    border-radius: 8px;
    padding: 12px 14px;
    color: #d8edff;
    background: transparent;
    text-align: left;
    cursor: pointer;
}

.nav-item.is-active,
.nav-item:hover {
    color: #fff;
    background: rgba(0, 152, 255, .18);
}

.snippet {
    margin-top: auto;
    display: grid;
    gap: 10px;
    color: #9ccfec;
}

.snippet code {
    display: block;
    overflow-wrap: anywhere;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 8px;
    padding: 12px;
    color: #dff7ff;
    background: rgba(0, 0, 0, .18);
    font-size: 12px;
}

.main {
    min-width: 0;
    padding: 30px;
}

.topbar {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--brand-deep);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 0;
    font-size: 34px;
}

h2 {
    margin-bottom: 0;
    font-size: 18px;
}

.filters,
.site-form {
    display: flex;
    gap: 10px;
}

.filters label {
    display: grid;
    gap: 5px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

input {
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 12px;
    color: var(--ink);
    background: #fff;
}

button {
    min-height: 42px;
    border: 0;
    border-radius: 8px;
    padding: 0 16px;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    font-weight: 800;
    cursor: pointer;
}

.ghost-button {
    width: 100%;
    color: var(--brand-deep);
    background: #e2f4ff;
}

.summary-panel {
    margin-bottom: 24px;
}

.summary-toggle {
    display: flex;
    width: 100%;
    min-height: 42px;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 14px;
    color: var(--brand-dark);
    background: #fff;
    box-shadow: 0 10px 28px rgba(3, 39, 72, .08);
}

.summary-toggle span {
    font-weight: 800;
}

.summary-toggle strong {
    color: var(--brand-deep);
    font-size: 13px;
}

.summary-toggle::after {
    content: "▲";
    color: var(--brand);
    font-size: 11px;
    transition: transform .2s ease;
}

.summary-panel.is-collapsed .summary-toggle::after {
    transform: rotate(180deg);
}

.summary-content {
    display: grid;
    grid-template-rows: 1fr;
    opacity: 1;
    transition: grid-template-rows .24s ease, opacity .2s ease, margin-top .24s ease;
    margin-top: 12px;
}

.summary-panel.is-collapsed .summary-content {
    grid-template-rows: 0fr;
    opacity: 0;
    margin-top: 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    min-height: 0;
    overflow: hidden;
}

.metric,
.site-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.metric {
    padding: 18px;
}

.metric span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.metric strong {
    display: block;
    margin-top: 8px;
    font-size: 32px;
}

.metric-live strong {
    color: var(--ok);
}

.metric-alert strong {
    color: var(--bad);
}

.workspace {
    display: block;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.section-title span {
    color: var(--muted);
    font-size: 13px;
}

.section-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.compact-button {
    min-height: 36px;
    padding: 0 13px;
}

.site-list {
    display: grid;
    gap: 12px;
}

.site-card {
    display: grid;
    gap: 16px;
    padding: 16px;
}

.site-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 14px;
}

.site-title-block {
    min-width: 0;
}

.site-name {
    margin: 0 0 4px;
    font-size: 18px;
}

.site-url {
    color: var(--muted);
    font-size: 13px;
    overflow-wrap: anywhere;
}

.status-pill {
    flex: 0 0 auto;
    border-radius: 999px;
    padding: 5px 10px;
    color: #064e3b;
    background: #d1fae5;
    font-size: 12px;
    font-weight: 800;
}

.status-pill.is-bad {
    color: #7f1d1d;
    background: #fee2e2;
}

.site-body {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(240px, 360px);
    gap: 16px;
    align-items: start;
}

.site-numbers {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 10px;
}

.mini-metric {
    border-radius: 8px;
    padding: 12px;
    background: var(--soft);
}

.mini-metric span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.mini-metric strong {
    display: block;
    margin-top: 4px;
    font-size: 22px;
}

.pages {
    display: grid;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    background: #fff;
}

.pages-title {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    padding-bottom: 7px;
    border-bottom: 1px solid var(--line);
    color: #315475;
    font-size: 12px;
    font-weight: 800;
}

.page-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
    color: var(--muted);
    font-size: 12px;
}

.page-row strong {
    color: var(--ink);
}

.page-row span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-form {
    flex-direction: column;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: grid;
    place-items: center;
    padding: 20px;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
}

.modal.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition-duration: .18s;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(3, 17, 31, .48);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity .22s ease;
}

.modal.is-open .modal-backdrop {
    opacity: 1;
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(430px, 100%);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 20px;
    background: #fff;
    box-shadow: 0 24px 70px rgba(3, 17, 31, .26);
    opacity: 0;
    transform: translateY(12px) scale(.98);
    transition: opacity .22s ease, transform .22s ease;
}

.modal.is-open .modal-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.modal-header .eyebrow {
    margin-bottom: 4px;
}

.icon-button {
    display: grid;
    width: 36px;
    min-height: 36px;
    place-items: center;
    padding: 0;
    color: var(--brand-dark);
    background: var(--soft);
    font-size: 24px;
    line-height: 1;
}

.empty-state {
    border: 1px dashed #9fc4df;
    border-radius: 8px;
    padding: 24px;
    color: var(--muted);
    background: rgba(255, 255, 255, .6);
}

@media (max-width: 1100px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: grid;
        grid-template-columns: auto minmax(260px, 1fr) minmax(280px, 380px);
        align-items: center;
        gap: 16px;
        position: static;
        padding: 14px 18px;
        background: linear-gradient(90deg, var(--brand-dark), #04111f 78%);
    }

    .brand {
        gap: 10px;
        min-height: 58px;
        padding: 8px 12px;
    }

    .brand-mark {
        width: 154px;
        height: 42px;
    }

    .nav {
        display: flex;
        min-width: 0;
        gap: 6px;
        justify-content: center;
    }

    .nav-item {
        width: auto;
        min-height: 36px;
        padding: 0 12px;
        text-align: center;
        white-space: nowrap;
    }

    .snippet {
        margin-top: 0;
        gap: 5px;
        min-width: 0;
    }

    .snippet span {
        font-size: 12px;
    }

    .snippet code {
        max-height: 35px;
        overflow: hidden;
        padding: 9px 10px;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

    .topbar {
        grid-template-columns: 1fr;
        display: grid;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .site-card {
        grid-template-columns: 1fr;
    }

    .site-body {
        grid-template-columns: 1fr;
    }

    .site-numbers {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-title {
        align-items: flex-start;
    }

    .section-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .main,
    .sidebar {
        padding: 18px;
    }

    .sidebar {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 12px;
    }

    .brand {
        justify-content: center;
    }

    .nav {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
    }

    .nav-item {
        width: 100%;
        padding: 0 8px;
        font-size: 14px;
    }

    .snippet {
        display: none;
    }

    h1 {
        font-size: 27px;
    }

    .filters {
        display: grid;
        grid-template-columns: 1fr;
    }

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

    .site-head {
        align-items: flex-start;
    }

    .site-numbers {
        grid-template-columns: 1fr;
    }

    .section-title,
    .section-actions {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
    }

    .compact-button {
        width: 100%;
    }
}