/* =======================================================================
   AquaFlow — Water Supply Management
   Design tokens
   ======================================================================= */
:root {
    --sidebar-w: 272px;
    --topbar-h: 76px;

    --primary: #0284c7;
    --primary-dark: #075985;
    --primary-light: #e0f2fe;
    --accent: #06b6d4;

    --sidebar-from: #0a2540;
    --sidebar-to: #0f3b5c;
    --sidebar-text: #b9cee1;
    --sidebar-text-active: #ffffff;

    --bg: #f2f5f9;
    --surface: #ffffff;
    --border: #e6ebf1;
    --text: #1f2a37;
    --text-muted: #6b7787;

    --success: #16a34a;
    --success-bg: #dcfce7;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #0284c7;
    --info-bg: #e0f2fe;
    --neutral-bg: #eef1f5;

    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(16, 34, 54, 0.06);
    --shadow: 0 8px 24px -6px rgba(16, 42, 67, 0.12);
    --shadow-lg: 0 20px 45px -12px rgba(16, 42, 67, 0.22);
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 14.5px;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }

/* =======================================================================
   Shell layout
   ======================================================================= */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: linear-gradient(190deg, var(--sidebar-from) 0%, var(--sidebar-to) 100%);
    display: flex;
    flex-direction: column;
    z-index: 1030;
    transition: transform .25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.5rem 1.35rem 1.25rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.15rem;
    flex-shrink: 0;
    box-shadow: 0 6px 16px -4px rgba(6, 182, 212, .55);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { color: #fff; font-weight: 800; font-size: 1.15rem; letter-spacing: .2px; }
.brand-subtitle { color: var(--sidebar-text); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }

.sidebar-nav {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: .25rem .9rem 1rem;
}
.sidebar-nav::-webkit-scrollbar { width: 5px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 4px; }

.nav-section-label {
    color: rgba(185, 206, 225, .55);
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin: 1.1rem .6rem .4rem;
}
.nav-section-label:first-child { margin-top: .25rem; }

.nav-link, .nav-toggle {
    display: flex;
    align-items: center;
    gap: .7rem;
    width: 100%;
    border: none;
    background: transparent;
    color: var(--sidebar-text);
    padding: .62rem .75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .875rem;
    text-align: left;
    margin-bottom: .15rem;
    transition: background .15s ease, color .15s ease;
}
.nav-link i:first-child, .nav-toggle i:first-child { font-size: 1.05rem; width: 20px; text-align: center; flex-shrink: 0; }

.nav-link:hover, .nav-toggle:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-link.active { background: linear-gradient(135deg, var(--accent), var(--primary)); color: #fff; box-shadow: 0 6px 16px -6px rgba(6,182,212,.6); }

.nav-toggle .nav-caret { margin-left: auto; font-size: .75rem; transition: transform .2s ease; }
.nav-toggle[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }
.nav-toggle.active { color: #fff; background: rgba(255,255,255,.06); }

.nav-sublink {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .5rem .75rem .5rem 2.35rem;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    font-size: .83rem;
    font-weight: 500;
    margin-bottom: .1rem;
    position: relative;
}
.nav-sublink i { font-size: .95rem; width: 18px; text-align: center; }
.nav-sublink:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-sublink.active { color: #fff; font-weight: 700; background: rgba(255,255,255,.09); }
.nav-sublink.active::before {
    content: "";
    position: absolute;
    left: 1.15rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: .9rem 1.1rem;
    display: flex;
    align-items: center;
    gap: .6rem;
}
.sidebar-user { display: flex; align-items: center; gap: .6rem; flex: 1 1 auto; min-width: 0; }
.sidebar-user-info { display: flex; flex-direction: column; min-width: 0; }
.sidebar-user-name { color: #fff; font-size: .82rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { color: var(--sidebar-text); font-size: .7rem; }
.sidebar-logout { color: var(--sidebar-text); font-size: 1.05rem; padding: .35rem; border-radius: 8px; }
.sidebar-logout:hover { color: #fff; background: rgba(255,255,255,.08); }

.avatar-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8rem;
    flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; font-size: .72rem; }

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 20, 35, .5);
    z-index: 1020;
}

/* ---- Main area ---- */
.main-area {
    flex: 1 1 auto;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}

.topbar {
    height: var(--topbar-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1.1rem;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 1010;
}

.topbar-heading h1 { font-size: 1.18rem; font-weight: 800; margin: 0; color: var(--text); }
.topbar-heading p { margin: 0; font-size: .78rem; color: var(--text-muted); }

.topbar-search {
    align-items: center;
    gap: .55rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: .55rem 1rem;
    margin-left: auto;
    min-width: 300px;
    color: var(--text-muted);
}
.topbar-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: .85rem;
    width: 100%;
    color: var(--text);
}

.topbar-actions { display: flex; align-items: center; gap: .6rem; margin-left: 1rem; }
.topbar-actions:has(+ *) {}
.topbar > .topbar-search + .topbar-actions,
.topbar > .topbar-actions { margin-left: .5rem; }
.d-flex.topbar-search { margin-left: auto; }

.icon-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}
.icon-btn:hover { background: var(--bg); color: var(--text); }
.icon-btn-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: #fff;
    font-size: .62rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    border: 2px solid var(--surface);
}

.topbar-profile {
    display: flex;
    align-items: center;
    gap: .55rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: .3rem .8rem .3rem .3rem;
    font-size: .82rem;
    font-weight: 700;
    color: var(--text);
}
.topbar-profile:hover { background: var(--bg); }
.topbar-profile i.bi-chevron-down { font-size: .68rem; color: var(--text-muted); }

.page-content {
    flex: 1 1 auto;
    padding: 1.75rem;
}

.page-footer {
    padding: 1rem 1.75rem 1.5rem;
    font-size: .78rem;
    color: var(--text-muted);
    text-align: center;
}

/* =======================================================================
   Reusable page components
   ======================================================================= */

/* Stat cards */
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.35rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: .75rem;
    height: 100%;
}
.stat-card .stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    flex-shrink: 0;
}
.stat-card .stat-label { color: var(--text-muted); font-size: .78rem; font-weight: 600; margin-bottom: .3rem; }
.stat-card .stat-value { font-size: 1.55rem; font-weight: 800; color: var(--text); line-height: 1.1; }
.stat-card .stat-delta { font-size: .74rem; font-weight: 700; margin-top: .45rem; display: inline-flex; align-items: center; gap: .25rem; }
.stat-delta.up { color: var(--success); }
.stat-delta.down { color: var(--danger); }
.stat-delta.flat { color: var(--text-muted); }

.bg-icon-blue { background: linear-gradient(135deg, #38bdf8, var(--primary)); }
.bg-icon-cyan { background: linear-gradient(135deg, #22d3ee, #0891b2); }
.bg-icon-amber { background: linear-gradient(135deg, #fbbf24, #d97706); }
.bg-icon-rose { background: linear-gradient(135deg, #fb7185, #e11d48); }
.bg-icon-green { background: linear-gradient(135deg, #4ade80, #16a34a); }
.bg-icon-violet { background: linear-gradient(135deg, #a78bfa, #7c3aed); }

/* Card */
.surface-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.surface-card .card-header-custom {
    padding: 1.1rem 1.35rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    flex-wrap: wrap;
}
.surface-card .card-header-custom h2 {
    font-size: 1rem;
    font-weight: 800;
    margin: 0;
}
.surface-card .card-header-custom p { margin: .15rem 0 0; font-size: .78rem; color: var(--text-muted); }
.surface-card .card-body-custom { padding: 1.35rem; }

/* Toolbar above data tables */
.data-toolbar {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    padding: 1rem 1.35rem;
    border-bottom: 1px solid var(--border);
}
.data-toolbar .toolbar-title { font-weight: 800; font-size: 1rem; margin-right: auto; }
.data-toolbar .toolbar-title small { display: block; font-weight: 500; font-size: .76rem; color: var(--text-muted); }

.btn-app {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    border-radius: var(--radius-sm);
    padding: .5rem .95rem;
    font-size: .82rem;
    font-weight: 700;
    border: 1px solid transparent;
    transition: filter .15s ease, background .15s ease;
}
.btn-app:hover { filter: brightness(0.97); }
.btn-app-primary { background: linear-gradient(135deg, var(--accent), var(--primary)); color: #fff; box-shadow: 0 8px 18px -6px rgba(2,132,199,.45); }
.btn-app-primary:hover { color: #fff; }
.btn-app-outline { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-app-outline:hover { background: var(--bg); color: var(--text); }
.btn-app-danger-outline { background: var(--surface); border-color: #f4c7c7; color: var(--danger); }
.btn-app-danger-outline:hover { background: var(--danger-bg); color: var(--danger); }
.btn-app-icon { padding: .5rem; width: 38px; height: 38px; justify-content: center; }

.search-box {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .5rem .8rem;
    min-width: 220px;
    color: var(--text-muted);
}
.search-box input { border: none; background: transparent; outline: none; font-size: .83rem; width: 100%; color: var(--text); }

/* Data table */
.table-wrap { overflow-x: auto; }
.table-app {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
    min-width: 640px;
}
.table-app thead th {
    text-align: left;
    background: var(--bg);
    color: var(--text-muted);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    font-weight: 700;
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.table-app tbody td {
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}
.table-app tbody tr:last-child td { border-bottom: none; }
.table-app tbody tr { transition: background .12s ease; cursor: default; }
.table-app tbody tr:hover { background: #f8fafc; }
.table-app tbody tr.row-selected { background: var(--primary-light); }
.table-app td.text-end, .table-app th.text-end { text-align: right; }
.table-app td.text-center, .table-app th.text-center { text-align: center; }
.table-app .cell-strong { font-weight: 700; color: var(--text); }
.table-app .cell-muted { color: var(--text-muted); font-size: .78rem; }
.table-app .row-check { width: 34px; }

.table-app tbody td.select-cell input,
.table-app thead th.select-cell input {
    width: 16px;
    height: 16px;
}

.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .9rem 1.35rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--border);
}
.table-footer .footer-info { font-size: .78rem; color: var(--text-muted); }
.pagination-app { display: flex; gap: .3rem; }
.pagination-app button {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-size: .8rem;
    font-weight: 700;
}
.pagination-app button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-app button:hover:not(.active) { background: var(--bg); }

/* Badges */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .65rem;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 700;
}
.badge-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-neutral { background: var(--neutral-bg); color: var(--text-muted); }

/* Priority pills */
.pill { display: inline-block; padding: .22rem .6rem; border-radius: 6px; font-size: .72rem; font-weight: 700; }
.pill-tinggi { background: var(--danger-bg); color: var(--danger); }
.pill-sedang { background: var(--warning-bg); color: var(--warning); }
.pill-rendah { background: var(--success-bg); color: var(--success); }

/* Forms */
.form-app label { font-size: .8rem; font-weight: 700; color: var(--text); margin-bottom: .3rem; }
.form-app .form-control,
.form-app .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: .55rem .8rem;
    font-size: .85rem;
}
.form-app .form-control:focus,
.form-app .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2,132,199,.15);
}
.form-app .form-text-hint { font-size: .74rem; color: var(--text-muted); }

.modal-content { border-radius: var(--radius-lg); border: none; box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--border); padding: 1.1rem 1.35rem; }
.modal-header .modal-title { font-weight: 800; font-size: 1.05rem; }
.modal-body { padding: 1.35rem; }
.modal-footer { border-top: 1px solid var(--border); padding: 1rem 1.35rem; }

/* Quick stat pill row (used above some tables) */
.pill-stat-row { display: flex; flex-wrap: wrap; gap: .6rem; padding: 1rem 1.35rem 0; }
.pill-stat {
    flex: 1 1 160px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .7rem .9rem;
}
.pill-stat .pill-stat-label { font-size: .72rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.pill-stat .pill-stat-value { font-size: 1.15rem; font-weight: 800; margin-top: .15rem; }

/* Empty state */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state i { font-size: 2.4rem; color: var(--border); display: block; margin-bottom: .75rem; }

/* Responsive */
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
    .sidebar.show { transform: translateX(0); }
    .sidebar-backdrop.show { display: block; }
    .main-area { margin-left: 0; }
    .topbar-search { min-width: 0; }
}

@media (max-width: 575.98px) {
    .page-content { padding: 1.1rem; }
    .topbar { padding: 0 1rem; gap: .6rem; }
    .topbar-heading p { display: none; }
}