:root {
    --navy-950: #071522;
    --navy-900: #0b1d2b;
    --navy-800: #102a3a;
    --emerald-600: #10a957;
    --emerald-500: #18c568;
    --emerald-400: #35dd7c;
    --mint-300: #75eea1;
    --mint-100: #e7faef;
    --white: #ffffff;
    --neutral-50: #f8fafb;
    --neutral-100: #f1f5f7;
    --neutral-200: #e2e8ec;
    --neutral-500: #64717d;
    --neutral-700: #33414d;
    --neutral-900: #111c24;
    --info: #2583e8;
    --warning: #e8a317;
    --danger: #dc3f4d;
    --success: #159d55;
    --link: #0f7a40;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow: 0 1px 3px rgba(7, 21, 34, 0.08);
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --font: Inter, "Segoe UI", system-ui, sans-serif;
    --font-lockup: Inter, "Segoe UI", Avenir Next, Avenir, "Century Gothic", system-ui, sans-serif;
    --lockup-mark-size: 40px;
    --lockup-gap: 12px;
    --lockup-wordmark-size: 1.25rem;
    --sidebar-width: 260px;
    color-scheme: light;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.45;
    background: var(--neutral-50);
    color: var(--neutral-900);
}

a { color: var(--link); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--emerald-500);
    outline-offset: 2px;
}

h1, .display { font-size: 1.75rem; font-weight: 700; margin: 0 0 var(--space-3); letter-spacing: -0.02em; }
h2, .section-title { font-size: 1.25rem; font-weight: 600; margin: 0 0 var(--space-3); }
h3 { font-size: 1.05rem; font-weight: 600; margin: 0 0 var(--space-2); }
p { margin: 0 0 var(--space-3); }
.muted { color: var(--neutral-500); }
.card-title { font-size: 1.05rem; font-weight: 600; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
    width: var(--sidebar-width);
    background: var(--navy-900);
    color: var(--white);
    display: flex;
    flex-direction: column;
    padding: var(--space-4);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.sidebar a { color: #d7e0e8; text-decoration: none; }
.sidebar .brand-lockup { color: var(--white); margin-bottom: var(--space-5); }
.nav-group { margin-bottom: var(--space-5); }
.nav-group h2 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: #8aa0b0; font-weight: 600; margin-bottom: var(--space-2); }
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 44px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
}
.nav-icon { width: 1.1rem; height: 1.1rem; flex-shrink: 0; }
.nav-children { margin: 0 0 0.35rem 1.55rem; padding-left: 0.4rem; border-left: 1px solid #1c3648; }
.nav-item-child { min-height: 36px; font-size: 0.85rem; font-weight: 500; }
.nav-item:hover, .nav-item:focus-visible { background: var(--navy-800); color: var(--white); }
.nav-item.is-active { background: var(--navy-800); color: var(--mint-300); }
.sidebar-user { margin-top: auto; padding-top: var(--space-4); border-top: 1px solid #1c3648; font-size: 0.875rem; }
.sidebar-user strong { display: block; }
.workspace { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 64px;
    padding: var(--space-3) var(--space-5);
    background: var(--white);
    border-bottom: 1px solid var(--neutral-200);
}
.topbar h1 { font-size: 1.15rem; margin: 0; }
.content { width: min(1120px, 100%); margin: 0 auto; padding: var(--space-5); }
.nav-toggle {
    display: none;
    min-width: 44px;
    min-height: 44px;
    background: var(--navy-900);
    color: var(--white);
    border: 0;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
}

.brand-lockup { display: flex; align-items: center; gap: var(--lockup-gap); text-decoration: none; color: inherit; }
.brand-lockup img { width: var(--lockup-mark-size); height: var(--lockup-mark-size); display: block; flex-shrink: 0; background: transparent; }
.brand-lockup.on-navy img { border-radius: 0; }
.brand-lockup.on-light img { border-radius: 10px; }
.brand-lockup-text { display: flex; flex-direction: column; min-width: 0; }
.wordmark {
    font-family: var(--font-lockup);
    font-size: var(--lockup-wordmark-size);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    white-space: nowrap;
}
.wordmark-merch { color: var(--white); }
.wordmark-link { color: var(--emerald-500); }
.brand-lockup.on-light .wordmark-merch { color: var(--neutral-900); }
.brand-lockup.on-light .wordmark-link { color: var(--emerald-600); }
.brand-lockup .tagline { color: #9bb0be; font-size: 0.78rem; font-weight: 400; }

.card {
    background: var(--white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow);
    margin-bottom: var(--space-4);
}
.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-3); margin-bottom: var(--space-4); }
.kpi-card { background: var(--white); border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); padding: var(--space-4); box-shadow: var(--shadow); }
.kpi-label { margin: 0; color: var(--neutral-500); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.kpi-value { margin: var(--space-2) 0 0; font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.btn, .btn-secondary, .btn-tertiary, .btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
}
.btn { background: var(--emerald-500); color: var(--navy-950); }
.btn:hover { background: var(--emerald-400); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-navy, .btn-secondary { background: var(--navy-900); color: var(--white); }
.btn-tertiary { background: transparent; color: var(--navy-900); border-color: var(--neutral-200); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }

label { display: block; font-weight: 600; color: var(--neutral-700); margin: var(--space-3) 0 var(--space-1); font-size: 0.9rem; }
textarea, select, input:not([type="checkbox"]):not([type="radio"]) {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--neutral-900);
    font: inherit;
}
.check { display: flex; align-items: center; gap: var(--space-2); font-weight: 500; margin: var(--space-3) 0; min-height: 44px; }
.check input { width: auto; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    background: var(--neutral-100);
    color: var(--neutral-700);
    text-transform: capitalize;
}
.badge-dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: currentColor; }
.badge-success { background: var(--mint-100); color: var(--success); }
.badge-info { background: #e7f2fd; color: #155a9c; }
.badge-warning { background: #fdf4dd; color: #8a5f00; }
.badge-danger { background: #fde8ea; color: #9f2430; }
.badge-neutral { background: var(--neutral-100); color: var(--neutral-700); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--neutral-200); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--neutral-500); }
.table-wrap { overflow-x: auto; }

.banner { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); margin-bottom: var(--space-4); border: 1px solid var(--neutral-200); }
.banner-error { background: #fde8ea; color: #9f2430; border-color: #f3c4c9; }
.banner-success { background: var(--mint-100); color: var(--success); }
.empty-state { text-align: center; padding: var(--space-6) var(--space-4); }
.empty-state strong { display: block; margin-bottom: var(--space-2); }

.stepper { display: flex; gap: var(--space-2); list-style: none; padding: 0; margin: 0 0 var(--space-4); flex-wrap: wrap; }
.stepper li {
    flex: 1;
    min-width: 8rem;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--neutral-100);
    color: var(--neutral-500);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid transparent;
}
.stepper li.is-current { background: var(--mint-100); color: var(--navy-900); border-color: var(--emerald-500); }
.stepper li.is-done { background: var(--navy-900); color: var(--white); }

.progress { height: 8px; background: var(--neutral-100); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--emerald-500); }
.progress-label { font-size: 0.85rem; color: var(--neutral-500); margin-top: var(--space-1); }

.guest { background: var(--navy-950); color: var(--white); min-height: 100vh; }
.auth-split { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(320px, 480px); min-height: 100vh; }
.auth-brand { padding: var(--space-6); display: flex; flex-direction: column; justify-content: center; }
.auth-brand h1 { font-size: 2rem; color: var(--white); }
.auth-brand p { color: #c5d3de; max-width: 36rem; }
.auth-panel { background: var(--neutral-50); color: var(--neutral-900); display: flex; align-items: center; padding: var(--space-5); }
.auth-card { width: 100%; margin: 0; }
.guest .brand-lockup .tagline { color: #9bb0be; }

.page-lead { margin-bottom: var(--space-4); }
.filter-row { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4); }
.sticky-actions {
    position: sticky;
    bottom: 0;
    background: var(--white);
    border-top: 1px solid var(--neutral-200);
    padding: var(--space-3);
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

@media (max-width: 1024px) {
    .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sidebar { position: fixed; z-index: 20; transform: translateX(-100%); transition: transform 0.2s ease; }
    .sidebar.is-open { transform: none; }
    .nav-toggle { display: inline-flex; }
    .auth-split { grid-template-columns: 1fr; }
    .auth-brand { min-height: 220px; }
}

.live-map {
    height: min(70vh, 640px);
    min-height: 360px;
    border-radius: var(--radius-md);
    border: 1px solid var(--neutral-200);
    overflow: hidden;
    background: var(--neutral-100);
}

@media (max-width: 640px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .content { padding: var(--space-4); }
}

@media (prefers-color-scheme: dark) {
    :root { color-scheme: dark; }
    body:not(.guest) { background: var(--navy-950); color: #e8eef4; }
    .workspace { background: var(--navy-950); }
    .topbar, .card, .kpi-card, .sticky-actions { background: var(--navy-800); border-color: #1c3648; color: #e8eef4; }
    .topbar h1 { color: #e8eef4; }
    textarea, select, input:not([type="checkbox"]):not([type="radio"]) {
        background: var(--navy-900);
        border-color: #1c3648;
        color: #e8eef4;
    }
    th, td { border-color: #1c3648; }
    .muted { color: #9bb0be; }
    a { color: var(--mint-300); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}