:root {
    --primary: #315c8a;
    --primary-dark: #23466d;
    --primary-soft: #e9f0f8;
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #182333;
    --muted: #718096;
    --border: #e1e7ef;
    --success: #287a55;
    --danger: #c94b4b;
    --sidebar: #17283c;
    --shadow: 0 8px 28px rgba(25, 45, 70, .07);
    --radius: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.app-shell { min-height: 100vh; display: flex; }
.sidebar {
    width: 255px;
    background: var(--sidebar);
    color: #dce7f2;
    padding: 24px 16px;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1000;
}
.sidebar-brand { display: flex; gap: 12px; align-items: center; padding: 6px 10px 28px; }
.brand-mark {
    width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
    background: #315c8a; color: #fff; font-size: 23px;
}
.sidebar-brand strong { display: block; font-size: 16px; color: #fff; }
.sidebar-brand span { display: block; font-size: 12px; color: #91a7bd; margin-top: 2px; }
.sidebar-label { display: block; font-size: 10px; letter-spacing: 1.3px; color: #70869d; padding: 0 12px 9px; }
.nav-item {
    display: flex; align-items: center; gap: 12px; padding: 11px 12px; margin: 3px 0;
    border-radius: 10px; color: #aebfd0; font-size: 14px; transition: .18s;
}
.nav-item span { width: 18px; text-align: center; }
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-item.active { background: #315c8a; color: #fff; box-shadow: 0 5px 16px rgba(0,0,0,.16); }
.sidebar-info { margin: 30px 7px 0; padding: 16px; border: 1px solid rgba(255,255,255,.08); border-radius: 13px; }
.sidebar-info span { font-size: 9px; letter-spacing: 1px; color: #738ba3; display: block; }
.sidebar-info strong { display: block; color: #fff; margin: 4px 0; }
.sidebar-info small { color: #8fa5ba; }

.main-area { margin-left: 255px; width: calc(100% - 255px); min-width: 0; }
.content { max-width: 1500px; margin: 0 auto; padding: 34px 34px 20px; }
.mobile-header { display: none; }

.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 25px; }
.eyebrow { color: var(--primary); font-size: 10px; font-weight: 800; letter-spacing: 1.5px; }
h1 { font-size: 31px; line-height: 1.15; margin: 5px 0 7px; letter-spacing: -.6px; }
h2 { font-size: 17px; margin: 0 0 4px; }
p { color: var(--muted); margin: 0; font-size: 13px; }

.btn {
    border: 1px solid transparent; border-radius: 9px; padding: 10px 15px;
    font-size: 13px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center;
    gap: 7px; transition: .18s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-light { background: #fff; border-color: var(--border); color: #40546a; }
.btn-light:hover { border-color: #b9c8d8; background: #f8fafc; }
.btn-danger { background: #fff2f2; color: var(--danger); border-color: #f0cccc; }
.btn-sm { padding: 7px 10px; font-size: 12px; }

.alert {
    display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-radius: 10px;
    margin-bottom: 18px; font-size: 13px; border: 1px solid;
}
.alert.success { background: #edf8f2; border-color: #c7e7d4; color: #236b49; }
.alert.error { background: #fff1f1; border-color: #f0cccc; color: #a73c3c; }
.alert-icon { width: 23px; height: 23px; border-radius: 50%; display: grid; place-items: center; background: rgba(0,0,0,.06); font-weight: 800; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-bottom: 18px; }
.stat-card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
    display: flex; align-items: center; gap: 13px; box-shadow: var(--shadow);
}
.stat-icon {
    width: 43px; height: 43px; border-radius: 11px; background: var(--primary-soft); color: var(--primary);
    display: grid; place-items: center; font-size: 19px; font-weight: 700;
}
.stat-card span { display: block; font-size: 11px; color: var(--muted); margin-bottom: 3px; }
.stat-card strong { display: block; font-size: 18px; max-width: 190px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.dashboard-grid { display: grid; grid-template-columns: 1.55fr .95fr; gap: 18px; margin-bottom: 18px; }
.card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); margin-bottom: 18px; overflow: hidden;
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 19px 20px; border-bottom: 1px solid #edf0f4; }
.card-head p { font-size: 12px; }
.text-link { color: var(--primary); font-size: 12px; font-weight: 800; }
.map-card { margin-bottom: 0; }
.map { width: 100%; min-height: 420px; background: #dfe7ef; }
.dashboard-map { min-height: 450px; }
.full-map { height: 680px; }
.picker-map { height: 420px; margin: 0 20px 18px; width: calc(100% - 40px); border-radius: 12px; }
.leaflet-container { font-family: inherit; }
.popup-content strong, .popup-content span, .popup-content small { display: block; }
.popup-content strong { font-size: 13px; margin-bottom: 3px; }
.popup-content span { font-size: 11px; color: #5f6d7d; }
.popup-content small { font-size: 10px; color: #8995a3; margin-top: 4px; }

.ranking-list { padding: 5px 20px 15px; }
.ranking-row { display: flex; align-items: center; gap: 11px; padding: 12px 0; border-bottom: 1px solid #eef1f5; }
.ranking-row:last-child { border-bottom: 0; }
.rank-badge {
    width: 29px; height: 29px; display: grid; place-items: center; border-radius: 9px;
    background: #edf1f5; color: #566577; font-size: 12px; font-weight: 800; flex: 0 0 auto;
}
.rank-1 { background: #eaf3ff; color: #275d91; }
.rank-2 { background: #f0f3f6; color: #5a6775; }
.rank-3 { background: #f7f0e7; color: #9a6d35; }
.ranking-name { min-width: 0; flex: 1; }
.ranking-name strong, .ranking-name small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ranking-name strong { font-size: 12px; }
.ranking-name small { font-size: 10px; color: var(--muted); margin-top: 2px; }
.score { color: var(--primary); }

.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 650px; }
th, td { padding: 13px 15px; border-bottom: 1px solid #edf0f4; text-align: left; font-size: 12px; vertical-align: middle; }
thead th { background: #f8fafc; color: #607084; font-size: 10px; text-transform: uppercase; letter-spacing: .5px; }
tbody tr:hover { background: #fbfcfe; }
tbody td small { color: var(--muted); font-size: 10px; }
.code-badge { color: var(--primary); font-weight: 800; background: var(--primary-soft); padding: 5px 7px; border-radius: 6px; }
.badge { display: inline-block; border-radius: 99px; padding: 5px 9px; font-size: 10px; font-weight: 800; }
.badge-benefit { background: #eaf7ef; color: #27704b; }
.badge-cost { background: #fff1e8; color: #a45b2d; }
code { font-size: 10px; color: #536477; }
.actions { display: flex; gap: 6px; align-items: center; }
.actions form { margin: 0; }

.empty-state { text-align: center; padding: 55px 20px; }
.empty-state > div { font-size: 32px; color: #9badbf; margin-bottom: 8px; }
.empty-state strong { display: block; font-size: 14px; margin-bottom: 5px; }

.info-strip {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border);
    border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin-bottom: 18px;
}
.info-strip div { background: #fff; padding: 15px 18px; }
.info-strip span, .info-strip strong { display: block; }
.info-strip span { font-size: 10px; color: var(--muted); }
.info-strip strong { font-size: 15px; margin-top: 3px; }

.form-layout { display: grid; gap: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; padding: 20px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 700; color: #405064; }
input, textarea, select {
    width: 100%; border: 1px solid #d8e0e9; border-radius: 9px; background: #fff;
    padding: 10px 11px; outline: none; color: var(--text); font-size: 13px;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: #7297bb; box-shadow: 0 0 0 3px rgba(49,92,138,.09); }
.coordinate-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 0 20px 20px; }
.criteria-input-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; padding: 20px; }
.criterion-input { border: 1px solid #e0e6ed; border-radius: 11px; padding: 13px; background: #fbfcfe; }
.criterion-input span { font-size: 12px; }
.criterion-input small { font-size: 10px; color: var(--muted); font-weight: 500; }
.criterion-input input { margin-top: 5px; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 0 0 20px; }
.narrow-card { max-width: 720px; padding-top: 20px; }
.narrow-card .form-grid { padding-top: 0; }
.narrow-card .form-actions { padding: 0 20px 20px; }

.matrix-table th, .matrix-table td { text-align: center; }
.matrix-table th:first-child { text-align: left; }
.matrix-table { min-width: 760px; }

.winner-card {
    background: linear-gradient(120deg, #244c74, #3c6e9d); color: #fff; border-radius: var(--radius);
    padding: 24px; margin-bottom: 18px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow);
}
.winner-icon { width: 50px; height: 50px; border-radius: 13px; background: rgba(255,255,255,.15); display: grid; place-items: center; font-size: 24px; }
.winner-card span { font-size: 9px; letter-spacing: 1.3px; opacity: .75; }
.winner-card h2 { font-size: 20px; margin: 4px 0; }
.winner-card p { color: rgba(255,255,255,.75); }
.winner-score { margin-left: auto; text-align: right; }
.winner-score small { display: block; opacity: .7; font-size: 10px; }
.winner-score strong { font-size: 26px; }

.location-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 20px; }
.location-mini { border: 1px solid var(--border); border-radius: 10px; padding: 12px; display: flex; gap: 10px; }
.location-dot { width: 10px; height: 10px; background: var(--primary); border-radius: 50%; margin-top: 5px; flex: 0 0 auto; }
.location-mini strong, .location-mini small { display: block; }
.location-mini strong { font-size: 12px; }
.location-mini small { font-size: 10px; color: var(--muted); margin-top: 2px; }

.footer { padding: 10px 0 25px; display: flex; justify-content: space-between; color: #8b98a7; font-size: 10px; }

@media (max-width: 1050px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .location-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s; }
    .sidebar.open { transform: translateX(0); }
    .main-area { margin-left: 0; width: 100%; }
    .mobile-header {
        display: flex; height: 58px; background: #fff; border-bottom: 1px solid var(--border);
        align-items: center; padding: 0 15px; position: sticky; top: 0; z-index: 900;
    }
    .mobile-menu { border: 0; background: transparent; font-size: 21px; margin-right: 10px; }
    .mobile-brand { font-weight: 800; color: var(--primary); }
    .content { padding: 22px 15px; }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .page-heading .btn { width: 100%; }
    h1 { font-size: 26px; }
    .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { padding: 13px; }
    .stat-icon { width: 36px; height: 36px; font-size: 15px; }
    .stat-card strong { font-size: 14px; }
    .form-grid, .criteria-input-grid, .coordinate-grid { grid-template-columns: 1fr; }
    .form-grid .full { grid-column: auto; }
    .winner-card { align-items: flex-start; flex-wrap: wrap; }
    .winner-score { margin-left: 0; width: 100%; text-align: left; }
    .location-cards { grid-template-columns: 1fr; }
    .footer { flex-direction: column; gap: 5px; }
    .full-map { height: 520px; }
    .picker-map { height: 350px; margin: 0 15px 15px; width: calc(100% - 30px); }
}
@media (max-width: 460px) {
    .stat-grid { grid-template-columns: 1fr; }
}