/* ============================================================
   IMPACTGIS — SITE STYLESHEET (site.css)
   Global Layout, Reset, Navigation, Badges, KPIs, Layer Symbols
   Zero Inline Styles Architecture
   ============================================================ */

/* ------------------------------------------------------------
   Global Reset & Layout
   ------------------------------------------------------------ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    font-size: 13.5px;
    line-height: 1.5;
    background-color: var(--bg-body);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select {
    font-family: inherit;
    font-size: inherit;
}

/* Custom Sleek Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
    background: rgba(56, 189, 248, 0.25);
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(56, 189, 248, 0.5);
}

/* ------------------------------------------------------------
   Top Navigation Header
   ------------------------------------------------------------ */
.app-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    padding: 0 1.25rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
    flex-shrink: 0;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.5px;
    box-shadow: 0 0 14px rgba(6, 182, 212, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.brand-title-wrap {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: #ffffff;
}

.brand-subtitle {
    font-size: 0.7rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    list-style: none;
}

.nav-link {
    padding: 0.45rem 0.8rem;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    color: #cbd5e1;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid transparent;
}

.nav-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.nav-link.active {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.14);
    border-color: rgba(56, 189, 248, 0.35);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(56, 189, 248, 0.15);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

/* ------------------------------------------------------------
   Badges & Tags
   ------------------------------------------------------------ */
.badge-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 5px;
    background: rgba(14, 165, 233, 0.18);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.35);
    letter-spacing: 0.4px;
}

.badge-tag-amber {
    background: rgba(245, 158, 11, 0.18);
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.35);
}

.badge-tag-hfl {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.45);
}

.badge-tag-danger {
    background: rgba(249, 115, 22, 0.2);
    color: #f97316;
    border-color: rgba(249, 115, 22, 0.45);
}

.badge-tag-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.45);
}

.badge-tag-normal {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.45);
}

.badge-tag-table-count {
    font-size: 0.8rem;
    padding: 0.4rem 0.85rem;
}

/* ------------------------------------------------------------
   Alert Ticker Banner
   ------------------------------------------------------------ */
.alert-ticker-container {
    background: #081120;
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.35rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 0.8rem;
    overflow: hidden;
    flex-shrink: 0;
}

.alert-ticker-label {
    background: #dc2626;
    color: #ffffff;
    font-weight: 800;
    font-size: 0.68rem;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(220, 38, 38, 0.4);
}

.alert-ticker-content {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fca5a5;
    flex-grow: 1;
    font-weight: 500;
}

/* ------------------------------------------------------------
   KPI Cards Section
   ------------------------------------------------------------ */
.kpi-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    flex-shrink: 0;
}

.kpi-container.kpi-container-tight {
    padding: 0;
}

.kpi-card {
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3.5px;
    background: transparent;
    transition: background 0.2s;
}

.kpi-card.total::before { background: #38bdf8; }
.kpi-card.normal::before { background: var(--status-normal); }
.kpi-card.warning::before { background: var(--status-warning); }
.kpi-card.danger::before { background: var(--status-danger); }
.kpi-card.hfl::before { background: var(--status-hfl); }

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--surface-card-hover);
    border-color: rgba(56, 189, 248, 0.3);
}

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
}

.kpi-value {
    font-size: 1.55rem;
    font-weight: 800;
    line-height: 1.2;
    margin-top: 0.15rem;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.kpi-icon-wrap {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.kpi-card.normal .kpi-icon-wrap { background: rgba(16, 185, 129, 0.15); color: var(--status-normal); border: 1px solid rgba(16, 185, 129, 0.35); }
.kpi-card.normal .kpi-value { color: var(--status-normal); }

.kpi-card.warning .kpi-icon-wrap { background: rgba(245, 158, 11, 0.15); color: var(--status-warning); border: 1px solid rgba(245, 158, 11, 0.35); }
.kpi-card.warning .kpi-value { color: var(--status-warning); }

.kpi-card.danger .kpi-icon-wrap { background: rgba(249, 115, 22, 0.15); color: var(--status-danger); border: 1px solid rgba(249, 115, 22, 0.35); }
.kpi-card.danger .kpi-value { color: var(--status-danger); }

.kpi-card.hfl .kpi-icon-wrap { background: rgba(239, 68, 68, 0.15); color: var(--status-hfl); border: 1px solid rgba(239, 68, 68, 0.35); }
.kpi-card.hfl .kpi-value { color: var(--status-hfl); }

.kpi-card.total .kpi-icon-wrap { background: rgba(2, 132, 199, 0.15); color: #38bdf8; border: 1px solid rgba(2, 132, 199, 0.35); }
.kpi-card.total .kpi-value { color: #38bdf8; }

/* ------------------------------------------------------------
   Utility Status Badges & Colors
   ------------------------------------------------------------ */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.status-pill.normal { background: rgba(16, 185, 129, 0.18); color: var(--status-normal); border: 1px solid rgba(16, 185, 129, 0.45); }
.status-pill.warning { background: rgba(245, 158, 11, 0.18); color: var(--status-warning); border: 1px solid rgba(245, 158, 11, 0.45); }
.status-pill.danger { background: rgba(249, 115, 22, 0.18); color: var(--status-danger); border: 1px solid rgba(249, 115, 22, 0.45); }
.status-pill.hfl { background: rgba(239, 68, 68, 0.18); color: var(--status-hfl); border: 1px solid rgba(239, 68, 68, 0.45); }

.text-color-hfl { color: var(--status-hfl); }
.text-color-danger { color: var(--status-danger); }
.text-color-warning { color: var(--status-warning); }
.text-color-normal { color: var(--status-normal); }

/* ------------------------------------------------------------
   GIS Layer Panel Color Symbols (No Inline Styles)
   ------------------------------------------------------------ */
.layer-icon-symbol {
    width: 13px;
    height: 13px;
    border-radius: 3px;
    display: inline-block;
    flex-shrink: 0;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}

.icon-symbol-station { background: #10b981; }
.icon-symbol-river { background: #00f0ff; }
.icon-symbol-basin { background: #38bdf8; }
.icon-symbol-district { background: #94a3b8; }
.icon-symbol-barrage { background: #0284c7; }
.icon-symbol-weir { background: #8b5cf6; }
.icon-symbol-dam { background: #06b6d4; }
.icon-symbol-village { background: #f97316; }
.icon-symbol-confluence { background: #38bdf8; }
.icon-symbol-morph-2026 { background: #00f0ff; }
.icon-symbol-morph-2020 { background: #f59e0b; }
.icon-symbol-fp-plain { background: #ef4444; }
.icon-symbol-fp-river { background: #00f0ff; }
.icon-symbol-fp-basin { background: #818cf8; }
.icon-symbol-fp-district { background: #94a3b8; }
.icon-symbol-tributary { background: #3b82f6; }