:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --ink: #172033;
    --muted: #667085;
    --line: #d8dee9;
    --primary: #0f766e;
    --primary-dark: #115e59;
    --accent: #eab308;
    --danger: #dc2626;
    --success: #15803d;
    --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; }

.topbar {
    height: 72px;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 26px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 50;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 248px; color: var(--ink); }
.brand img { width: 42px; height: 42px; }
.brand strong { display: block; font-size: 18px; }
.brand small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.nav { display: flex; gap: 6px; flex: 1; }
.nav a { color: #344054; padding: 10px 13px; border-radius: 6px; font-weight: 700; }
.nav a.active, .nav a:hover { background: #e7f5f2; color: var(--primary-dark); }
.account { display: flex; align-items: center; gap: 12px; color: var(--muted); }

.page { padding: 26px; }
.button {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    border-radius: 6px;
    padding: 10px 14px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    cursor: pointer;
}
.button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.button.primary:hover { background: var(--primary-dark); }
.button.ghost { background: #fff; }
.button.full { width: 100%; }

.flash { padding: 12px 14px; border-radius: 6px; margin-bottom: 18px; border: 1px solid var(--line); background: #fff; }
.flash.success { border-color: #bbf7d0; background: #f0fdf4; color: var(--success); }
.flash.error { border-color: #fecaca; background: #fef2f2; color: var(--danger); }

.hero-band {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    background: linear-gradient(120deg, #12312f, #0f766e 62%, #eab308);
    color: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}
.hero-band h1, .section-title h1 { margin: 0; font-size: 30px; }
.hero-band p { max-width: 720px; color: rgba(255,255,255,0.86); }
.eyebrow { margin: 0 0 8px; text-transform: uppercase; font-size: 12px; font-weight: 800; color: #fef3c7 !important; }
.section-title { margin-bottom: 20px; display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; }
.section-title p { margin: 6px 0 0; color: var(--muted); }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 22px 0; }
.stats-grid article, .panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}
.stats-grid article { padding: 22px; }
.stats-grid span { display: block; font-size: 34px; font-weight: 800; color: var(--primary-dark); }
.stats-grid small { color: var(--muted); font-weight: 700; }
.panel { padding: 20px; margin-bottom: 20px; }
.panel h2 { margin: 0 0 16px; font-size: 20px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid #edf1f7; vertical-align: middle; }
th { color: #475467; font-size: 12px; text-transform: uppercase; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.actions.wide { min-width: 260px; }
.empty { color: var(--muted); text-align: center; padding: 28px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid h2 { grid-column: 1 / -1; }
label { display: grid; gap: 7px; font-weight: 700; color: #344054; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 12px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}
textarea { resize: vertical; }
.span-2 { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; align-items: center; }
.check { display: flex; flex-direction: row; align-items: center; gap: 9px; }
.check input { width: auto; }
.check.compact { white-space: nowrap; }
.two-column { display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: 20px; align-items: start; }
.inline-edit { display: grid; grid-template-columns: 1fr 1fr 120px 1fr auto auto; gap: 8px; padding: 10px 0; border-bottom: 1px solid #edf1f7; }

.auth-shell { min-height: calc(100vh - 124px); display: grid; place-items: center; }
.auth-card { width: min(420px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); padding: 30px; display: grid; gap: 16px; }
.auth-card h1 { margin: 0; font-size: 26px; }
.auth-card p { margin: 0; color: var(--muted); }
.auth-logo { width: 62px; height: 62px; }

.layer-select { display: grid; gap: 10px; }
.layer-select label, .layer-toggle {
    display: grid;
    grid-template-columns: auto 14px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fbfcfe;
}
.layer-select label { grid-template-columns: auto 1fr auto; }
.layer-toggle span { width: 14px; height: 14px; border-radius: 3px; }
.layer-toggle small, .layer-select small { color: var(--muted); }

.viewer-shell { display: grid; grid-template-columns: 340px minmax(0, 1fr); height: calc(100vh - 72px); margin: -26px; }
.viewer-sidebar { background: #fff; border-right: 1px solid var(--line); padding: 20px; overflow: auto; z-index: 2; }
.viewer-sidebar h1 { margin: 0; font-size: 24px; }
.viewer-sidebar p { color: var(--muted); margin: 8px 0 16px; }
.viewer-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.switch { display: flex; flex-direction: row; align-items: center; gap: 9px; padding: 12px; background: #f8fafc; border-radius: 6px; border: 1px solid var(--line); margin-bottom: 14px; }
.switch input { width: auto; }
.layer-list { display: grid; gap: 8px; margin-bottom: 16px; }
.viewer-tools { display: grid; gap: 12px; }
.map-canvas { min-height: 480px; height: 100%; width: 100%; }
.sidebar-section {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfe;
    margin-bottom: 14px;
    overflow: hidden;
}
.sidebar-section summary {
    cursor: pointer;
    font-weight: 800;
    padding: 12px;
    color: #344054;
    background: #f1f5f9;
}
.sidebar-section .layer-list,
.sidebar-section .image-list {
    padding: 10px;
    margin: 0;
}
.image-list { display: grid; gap: 10px; }
.image-row {
    display: grid;
    gap: 8px;
    padding: 9px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
}
.image-row-main {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 10px;
    align-items: center;
    border: 0;
    padding: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
}
.image-row-main img {
    width: 54px;
    height: 54px;
    border-radius: 6px;
    object-fit: cover;
}
.image-row-main strong {
    display: block;
    color: var(--ink);
    font-size: 13px;
    line-height: 1.25;
}
.image-row-main small,
.device-readonly {
    color: var(--muted);
    font-size: 12px;
}
.image-row-view {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 12px;
}
.moved {
    display: inline-block;
    margin-left: 5px;
    color: #b45309;
    font-weight: 800;
}
.image-marker span { display: block; overflow: hidden; border: 3px solid #fff; border-radius: 8px; box-shadow: 0 8px 22px rgba(0,0,0,0.30); background: #fff; }
.image-marker img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media-popup { display: grid; gap: 6px; min-width: 230px; }
.popup-image-wrap { position: relative; }
.popup-image-button { display: block; width: 100%; border: 0; padding: 0; background: transparent; cursor: zoom-in; }
.media-popup img { width: 100%; max-height: 180px; object-fit: cover; border-radius: 6px; display: block; }
.media-popup strong { font-size: 14px; }
.media-popup small { color: #475467; }
.popup-field { font-size: 12px; gap: 5px; }
.popup-field select { padding: 7px 8px; font-size: 12px; }
.popup-restore {
    border: 0;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    padding: 6px 8px;
    font-weight: 800;
    cursor: pointer;
}
.popup-restore.small-corner {
    position: absolute;
    right: 7px;
    bottom: 7px;
    font-size: 11px;
    min-height: 0;
    box-shadow: 0 8px 18px rgba(0,0,0,0.22);
}
.saving { opacity: 0.55; }
.share-list { display: grid; gap: 12px; }
.share-list article { display: grid; gap: 8px; border: 1px solid var(--line); border-radius: 6px; padding: 12px; background: #fbfcfe; }
.share-list small { color: var(--muted); }
.empty.compact { padding: 10px; font-size: 13px; }

.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.90);
    align-items: center;
    justify-content: center;
    padding: 28px 72px;
}
.lightbox.open { display: flex; }
.lightbox figure {
    margin: 0;
    max-width: min(1100px, 92vw);
    max-height: 90vh;
    display: grid;
    gap: 12px;
}
.lightbox img {
    max-width: 100%;
    max-height: 82vh;
    border-radius: 8px;
    object-fit: contain;
    background: #111827;
}
.lightbox figcaption {
    color: #fff;
    text-align: center;
    font-weight: 700;
}
.lightbox-close,
.lightbox-nav {
    position: absolute;
    border: 0;
    color: #fff;
    background: rgba(255,255,255,0.16);
    cursor: pointer;
    border-radius: 50%;
}
.lightbox-close {
    top: 18px;
    right: 22px;
    width: 42px;
    height: 42px;
    font-size: 30px;
    line-height: 1;
}
.lightbox-nav {
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 64px;
    border-radius: 8px;
    font-size: 44px;
}
.lightbox-nav.prev { left: 18px; }
.lightbox-nav.next { right: 18px; }

@media (max-width: 900px) {
    .topbar { height: auto; flex-wrap: wrap; padding: 14px; }
    .brand { min-width: 0; }
    .nav { order: 3; flex-basis: 100%; overflow-x: auto; }
    .page { padding: 16px; }
    .hero-band, .section-title { align-items: flex-start; flex-direction: column; }
    .stats-grid, .two-column, .form-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .inline-edit { grid-template-columns: 1fr; }
    .viewer-shell { grid-template-columns: 1fr; height: auto; margin: -16px; }
    .viewer-sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
    .map-canvas { height: 70vh; }
}