/* ==========================================================================
   Petrol Pump Management System - theme
   ========================================================================== */
:root {
    --pp-primary: #0b6e4f;
    --pp-primary-dark: #084d38;
    --pp-accent: #f4a300;
    --pp-danger: #d64545;
    --pp-ink: #1c2536;
    --pp-muted: #6b7280;
    --pp-bg: #f2f5f7;
    --pp-card: #ffffff;
    --pp-border: #e3e8ee;
    --pp-sidebar: #10241d;
    --pp-sidebar-hover: #17352a;
    --pp-radius: 10px;
    --pp-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 14px rgba(16, 24, 40, .06);
    --pp-sidebar-width: 250px;
}

* { box-sizing: border-box; }

body {
    background: var(--pp-bg);
    color: var(--pp-ink);
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    margin: 0;
}

a { text-decoration: none; }

/* ------------------------------------------------------------- Layout shell */
.pp-shell { display: flex; min-height: 100vh; }

.pp-sidebar {
    width: var(--pp-sidebar-width);
    background: var(--pp-sidebar);
    color: #cdd8d2;
    position: fixed;
    inset: 0 auto 0 0;
    overflow-y: auto;
    z-index: 1040;
    transition: transform .2s ease;
}

.pp-sidebar .brand {
    display: flex; align-items: center; gap: .6rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
    color: #fff; font-weight: 700; font-size: 1.02rem; letter-spacing: .2px;
}
.pp-sidebar .brand i { color: var(--pp-accent); font-size: 1.4rem; }

.pp-sidebar .nav-section {
    padding: .9rem 1.15rem .35rem;
    font-size: .68rem; text-transform: uppercase; letter-spacing: .09em;
    color: #6f8479; font-weight: 700;
}

.pp-sidebar .nav-link {
    display: flex; align-items: center; gap: .65rem;
    padding: .52rem 1.15rem;
    color: #cdd8d2; font-size: .875rem; border-left: 3px solid transparent;
}
.pp-sidebar .nav-link i { width: 18px; text-align: center; font-size: .98rem; opacity: .85; }
.pp-sidebar .nav-link:hover { background: var(--pp-sidebar-hover); color: #fff; }
.pp-sidebar .nav-link.active {
    background: var(--pp-sidebar-hover); color: #fff;
    border-left-color: var(--pp-accent); font-weight: 600;
}

.pp-main { flex: 1; margin-left: var(--pp-sidebar-width); display: flex; flex-direction: column; min-width: 0; }

.pp-topbar {
    background: #fff; border-bottom: 1px solid var(--pp-border);
    padding: .6rem 1.1rem; display: flex; align-items: center; gap: .8rem;
    position: sticky; top: 0; z-index: 1030;
}
.pp-topbar .page-title { font-weight: 700; font-size: 1.02rem; margin: 0; }
.pp-topbar .branch-chip {
    background: #eef5f2; color: var(--pp-primary-dark);
    border-radius: 999px; padding: .18rem .7rem; font-size: .76rem; font-weight: 600;
}

.pp-content { padding: 1.1rem; flex: 1; }

/* ------------------------------------------------------------- Cards */
.card {
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius);
    box-shadow: var(--pp-shadow);
}
.card-header {
    background: #fff; border-bottom: 1px solid var(--pp-border);
    font-weight: 650; padding: .7rem 1rem;
    border-radius: var(--pp-radius) var(--pp-radius) 0 0 !important;
}

/* KPI tiles */
.kpi {
    background: var(--pp-card); border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius); padding: .85rem .95rem;
    box-shadow: var(--pp-shadow); height: 100%;
    display: flex; align-items: center; gap: .8rem;
}
.kpi .icon {
    width: 42px; height: 42px; border-radius: 10px; flex: 0 0 42px;
    display: grid; place-items: center; font-size: 1.15rem; color: #fff;
}
.kpi .label { color: var(--pp-muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
.kpi .value { font-size: 1.15rem; font-weight: 700; line-height: 1.25; }
.kpi .sub { font-size: .72rem; color: var(--pp-muted); }

.bg-petrol   { background: linear-gradient(135deg,#e63946,#c1121f); }
.bg-diesel   { background: linear-gradient(135deg,#2a9d8f,#1d7870); }
.bg-total    { background: linear-gradient(135deg,#0b6e4f,#084d38); }
.bg-cash     { background: linear-gradient(135deg,#457b9d,#2d5878); }
.bg-digital  { background: linear-gradient(135deg,#7b5ea7,#5a4180); }
.bg-credit   { background: linear-gradient(135deg,#f4a300,#c78400); }
.bg-expense  { background: linear-gradient(135deg,#d64545,#a83232); }
.bg-profit   { background: linear-gradient(135deg,#2b9348,#1f6f36); }
.bg-stock    { background: linear-gradient(135deg,#118ab2,#0b6a8a); }

/* ------------------------------------------------------------- Tables */
table.dataTable thead th {
    background: #f7f9fa; font-size: .78rem; text-transform: uppercase;
    letter-spacing: .04em; color: #4b5563; border-bottom: 1px solid var(--pp-border) !important;
    white-space: nowrap;
}
table.dataTable tbody td { font-size: .855rem; vertical-align: middle; }
.table > :not(caption) > * > * { padding: .5rem .6rem; }
.table-sticky thead th { position: sticky; top: 0; z-index: 2; }

.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------- Misc */
.badge-soft { border-radius: 999px; padding: .22rem .6rem; font-size: .72rem; font-weight: 600; }
.badge-open { background: #e7f5ef; color: #0b6e4f; }
.badge-closed { background: #eef1f4; color: #4b5563; }
.badge-low { background: #fdecec; color: #b42318; }
.badge-ok { background: #e7f5ef; color: #0b6e4f; }

.tank-bar { height: 8px; background: #eef1f4; border-radius: 999px; overflow: hidden; }
.tank-bar > span { display: block; height: 100%; border-radius: 999px; background: var(--pp-primary); }
.tank-bar.low > span { background: var(--pp-danger); }

.form-label { font-size: .8rem; font-weight: 600; color: #374151; margin-bottom: .25rem; }
.form-control, .form-select { font-size: .875rem; }
.required::after { content: " *"; color: var(--pp-danger); }

.btn-primary { background: var(--pp-primary); border-color: var(--pp-primary); }
.btn-primary:hover, .btn-primary:focus { background: var(--pp-primary-dark); border-color: var(--pp-primary-dark); }
.btn-outline-primary { color: var(--pp-primary); border-color: var(--pp-primary); }
.btn-outline-primary:hover { background: var(--pp-primary); border-color: var(--pp-primary); }
.text-primary { color: var(--pp-primary) !important; }

.filter-bar {
    background: #fff; border: 1px solid var(--pp-border); border-radius: var(--pp-radius);
    padding: .75rem; margin-bottom: .9rem; box-shadow: var(--pp-shadow);
}

.pp-toast-wrap { position: fixed; top: 1rem; right: 1rem; z-index: 2000; width: 340px; }

/* ------------------------------------------------------------- Responsive */
.pp-sidebar-toggle { display: none; }

@media (max-width: 991.98px) {
    .pp-sidebar { transform: translateX(-100%); }
    .pp-sidebar.show { transform: translateX(0); }
    .pp-main { margin-left: 0; }
    .pp-sidebar-toggle { display: inline-flex; }
    .pp-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 1035; }
}

/* ------------------------------------------------------------- Print: A4 */
@media print {
    .pp-sidebar, .pp-topbar, .no-print, .dt-buttons, .dataTables_filter,
    .dataTables_length, .dataTables_paginate, .dataTables_info { display: none !important; }
    .pp-main { margin-left: 0 !important; }
    .pp-content { padding: 0 !important; }
    body { background: #fff; font-size: 12px; }
    .card { border: none !important; box-shadow: none !important; }
    a[href]:after { content: ""; }
}

/* Invoice sheet */
.invoice-sheet {
    background: #fff; max-width: 210mm; margin: 0 auto; padding: 14mm;
    border: 1px solid var(--pp-border); border-radius: 6px;
}
.invoice-sheet h1 { font-size: 1.25rem; margin: 0; }
.invoice-sheet .doc-title { letter-spacing: .12em; text-transform: uppercase; font-size: .8rem; color: var(--pp-muted); }
.invoice-sheet table { width: 100%; border-collapse: collapse; }
.invoice-sheet table th, .invoice-sheet table td { border: 1px solid #d7dee6; padding: 6px 8px; font-size: .84rem; }
.invoice-sheet table th { background: #f5f8fa; text-align: left; }

/* Thermal receipt (80 mm) */
.thermal {
    width: 76mm; margin: 0 auto; background: #fff; padding: 6px 8px;
    font-family: "Consolas", "Courier New", monospace; font-size: 12px; color: #000;
}
.thermal .center { text-align: center; }
.thermal .row2 { display: flex; justify-content: space-between; gap: 6px; }
.thermal hr { border: none; border-top: 1px dashed #000; margin: 5px 0; }
.thermal .big { font-size: 15px; font-weight: 700; }

@media print {
    @page { margin: 6mm; }
    .thermal { width: auto; }
}