:root {
    --primary: #156f7a;
    --accent: #14da92;
    --white: #fdfdfd;
    --soft: #f5f6fa;
    --dark: #121619;
    --gray: #6b7280;
    --danger: #d92525;
    --border: rgba(18, 22, 25, .08);
    --shadow: 0 10px 24px rgba(18, 22, 25, .07);
}

* { box-sizing: border-box; }

body {
    background: radial-gradient(circle at top left, rgba(20, 218, 146, .09), transparent 30%), var(--soft);
    color: var(--dark);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: .92rem;
}

.app-navbar { background: linear-gradient(135deg, var(--primary), #0c3d43); box-shadow: 0 8px 24px rgba(21, 111, 122, .16); }
.app-navbar .navbar-brand { font-size: 1rem; }
.app-navbar .nav-link { font-size: .86rem; }

.card-premium { background: rgba(253,253,253,.96); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }

.login-page { min-height: 100vh; background: linear-gradient(135deg, #0c3d43 0%, var(--primary) 55%, var(--accent) 120%); }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px; padding: 48px clamp(20px, 6vw, 90px); }
.login-brand { color: var(--white); }
.login-brand h1 { font-size: clamp(46px, 7vw, 86px); font-weight: 800; letter-spacing: -.05em; }
.login-brand p { max-width: 560px; color: rgba(253,253,253,.78); font-size: 1.08rem; }
.login-card { padding: clamp(24px, 4vw, 40px); }

.hero-panel { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 16px 20px; border-radius: 18px; background: linear-gradient(135deg, var(--primary), #0f444b); color: var(--white); box-shadow: 0 12px 28px rgba(21,111,122,.16); }
.hero-panel.compact h1 { font-size: clamp(1.25rem, 1.8vw, 1.75rem); margin-bottom: 3px; }
.hero-panel p { color: rgba(253,253,253,.75); margin-bottom: 0; font-size: .88rem; }
.hero-counter { min-width: 145px; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); text-align: right; }
.hero-counter small { display:block; color: rgba(253,253,253,.72); }
.hero-counter strong { display:block; font-size:1.35rem; line-height:1.1; }

.eyebrow { display:inline-flex; align-items:center; gap:8px; color: var(--accent); font-weight: 800; font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; }
.filter-card { padding: 12px 14px; }
.form-label { margin-bottom: 4px; font-size: .8rem; font-weight: 700; color: var(--gray); }
.form-control, .form-select, .input-group-text { border-color: var(--border); border-radius: 10px; font-size: .9rem; }
.btn { border-radius: 10px; font-weight: 760; }
.btn-primary { --bs-btn-bg: var(--primary); --bs-btn-border-color: var(--primary); --bs-btn-hover-bg:#105862; --bs-btn-hover-border-color:#105862; --bs-btn-active-bg:#0c444c; --bs-btn-active-border-color:#0c444c; }
.btn-outline-primary { --bs-btn-color: var(--primary); --bs-btn-border-color: var(--primary); --bs-btn-hover-bg: var(--primary); --bs-btn-hover-border-color: var(--primary); }

.kpi-card { padding: 12px 14px; min-height: 82px; display:flex; flex-direction:column; justify-content:space-between; }
.kpi-card span { display:flex; align-items:center; gap:7px; color: var(--gray); font-weight: 700; font-size:.82rem; }
.kpi-card i { width:26px; height:26px; display:inline-grid; place-items:center; border-radius:9px; color: var(--primary); background: rgba(20,218,146,.13); }
.kpi-card strong { font-size: clamp(1rem, 1.22vw, 1.35rem); letter-spacing: -.04em; }

.executive-tabs { gap: 8px; flex-wrap: wrap; }
.executive-tabs .nav-link { background: #fff; color: var(--primary); border: 1px solid var(--border); font-weight: 800; border-radius: 999px; padding: .45rem .8rem; font-size: .85rem; }
.executive-tabs .nav-link.active { background: var(--primary); color: #fff; }

.chart-card, .table-card { padding: 14px; }
.chart-card canvas { max-height: 285px; }
.section-title { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:10px; }
.section-title h2 { font-size: .98rem; font-weight: 800; letter-spacing: -.02em; margin:0; }
.table { font-size: .86rem; }
.table thead th { color: var(--gray); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; border-bottom-color: var(--border); white-space: nowrap; }
.table tbody td { border-color: var(--border); vertical-align: middle; }
.loading-state { color: var(--gray); font-weight: 700; }

.heatmap-wrap { overflow: auto; }
.heatmap-table { min-width: 760px; border-collapse: separate; border-spacing: 4px; width: 100%; }
.heatmap-table th { font-size: .72rem; color: var(--gray); text-align:center; }
.heatmap-cell { min-width: 44px; height: 34px; border-radius: 8px; text-align: center; font-size: .7rem; font-weight: 800; color: #102a2e; background: rgba(20,218,146,.07); border:1px solid rgba(21,111,122,.08); }
.heatmap-cell.level-1 { background: rgba(20,218,146,.16); }
.heatmap-cell.level-2 { background: rgba(20,218,146,.28); }
.heatmap-cell.level-3 { background: rgba(20,218,146,.44); }
.heatmap-cell.level-4 { background: rgba(21,111,122,.75); color:#fff; }

.list-group-item-action { border-color: var(--border); }
.badge { font-weight: 700; }

@media (max-width: 900px) {
    .login-shell { grid-template-columns: 1fr; }
    .hero-panel { flex-direction: column; align-items: flex-start; }
    .hero-counter { width: 100%; text-align: left; }
}