/* ============================================================
   GHG CALCULATOR — Stile applicazione
   Palette: bianco + verde chiaro
   Font: Barlow Condensed (titoli) · Barlow (testo)
   ============================================================ */

:root {
    --green-900: #14532d;
    --green-700: #1e7a46;
    --green-600: #2f9e5f;
    --green-100: #d9efe1;
    --green-050: #eef7f1;
    --green-025: #f7fbf8;
    --ink:       #1f2a24;
    --ink-soft:  #5c6b62;
    --line:      #dce8e0;
    --grey-cell: #f1f4f2;
    --danger:    #b3402f;
    --radius:    12px;
    --sidebar-w: 250px;
    --font-display: "Barlow Condensed", sans-serif;
    --font-body: "Barlow", sans-serif;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: #ffffff;
    color: var(--ink);
    margin: 0;
    font-size: 15px;
}

h1, h2, h3, h4, h5, .font-display {
    font-family: var(--font-display);
    letter-spacing: .01em;
}

/* ── Layout ────────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

.app-sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: var(--green-050);
    border-right: 1px solid var(--line);
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    padding: 1.1rem .9rem;
}

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

.app-content { padding: 1.4rem 1.6rem 3rem; }

@media (max-width: 991.98px) {
    .app-sidebar { transform: translateX(-100%); transition: transform .25s ease; }
    .app-sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.18); }
    .app-main { margin-left: 0; }
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar-brand { display: flex; align-items: center; gap: .7rem; padding: .3rem .4rem 1.1rem; }
.brand-mark {
    width: 40px; height: 40px; border-radius: 11px;
    background: var(--green-700); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem; flex-shrink: 0;
}
.brand-mark.lg { width: 54px; height: 54px; font-size: 1.5rem; margin: 0 auto; }
.brand-title { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; line-height: 1.05; color: var(--green-900); }
.brand-sub { display: block; font-size: .72rem; color: var(--ink-soft); letter-spacing: .04em; }

.sidebar-nav .nav-item, .sidebar-footer .nav-item {
    display: flex; align-items: center; gap: .7rem;
    padding: .6rem .75rem; margin-bottom: .2rem;
    border-radius: 9px; color: var(--ink);
    text-decoration: none; font-weight: 500; font-size: .95rem;
}
.sidebar-nav .nav-item i { width: 20px; text-align: center; color: var(--green-700); }
.sidebar-nav .nav-item:hover { background: #ffffff; }
.sidebar-nav .nav-item.active { background: var(--green-700); color: #fff; }
.sidebar-nav .nav-item.active i { color: #fff; }

.sidebar-footer .logout { color: var(--danger); }
.sidebar-footer .logout i { color: var(--danger); width: 20px; text-align: center; }
.sources-hint {
    font-size: .72rem; color: var(--ink-soft);
    background: #fff; border: 1px solid var(--line);
    border-radius: 9px; padding: .55rem .65rem; margin-bottom: .6rem;
    line-height: 1.35;
}
.hint-label { display: block; font-family: var(--font-display); font-weight: 600; color: var(--green-700); text-transform: uppercase; font-size: .68rem; letter-spacing: .07em; }

/* ── Topbar ────────────────────────────────────────────────── */
.app-topbar {
    padding: .85rem 1.6rem;
    border-bottom: 1px solid var(--line);
    background: #fff;
    position: sticky; top: 0; z-index: 1020;
}
.topbar-title { font-size: 1.55rem; font-weight: 700; color: var(--green-900); }
.topbar-user { display: flex; align-items: center; gap: .45rem; color: var(--ink-soft); font-size: .92rem; }
.topbar-user i { font-size: 1.25rem; color: var(--green-700); }
.badge-year {
    background: var(--green-100); color: var(--green-900);
    border-radius: 999px; padding: .25rem .7rem; font-size: .85rem; font-weight: 600;
}
.btn-sidebar-toggle { border: 1px solid var(--line); background: #fff; border-radius: 8px; width: 38px; height: 38px; }

/* ── Bottoni ───────────────────────────────────────────────── */
.btn-brand {
    background: var(--green-700); color: #fff; border: none;
    font-weight: 600; border-radius: 9px; padding: .55rem 1.1rem;
}
.btn-brand:hover, .btn-brand:focus { background: var(--green-900); color: #fff; }
.btn-outline-brand {
    background: #fff; color: var(--green-700);
    border: 1.5px solid var(--green-700); border-radius: 9px; font-weight: 600;
    padding: .5rem 1rem;
}
.btn-outline-brand:hover { background: var(--green-050); color: var(--green-900); }

/* ── Card / sezioni ────────────────────────────────────────── */
.panel {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); margin-bottom: 1.1rem; overflow: hidden;
}
.panel-header {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: .8rem 1.1rem; cursor: pointer; user-select: none;
    background: var(--green-025);
}
.panel-header:hover { background: var(--green-050); }
.panel-header h3 { margin: 0; font-size: 1.15rem; font-weight: 600; color: var(--green-900); display: flex; align-items: center; gap: .6rem; }
.scope-tag {
    font-family: var(--font-display); font-weight: 700; font-size: .78rem;
    letter-spacing: .08em; text-transform: uppercase;
    background: var(--green-700); color: #fff;
    border-radius: 6px; padding: .18rem .5rem;
}
.scope-tag.s2 { background: var(--green-600); }
.scope-tag.s3 { background: var(--green-900); }
.panel-subtotal { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--green-700); white-space: nowrap; }
.panel-subtotal small { font-weight: 500; color: var(--ink-soft); font-size: .72rem; }
.panel-caret { color: var(--ink-soft); transition: transform .2s ease; }
.panel.collapsed .panel-caret { transform: rotate(-90deg); }
.panel-body { padding: .9rem 1.1rem 1.1rem; }
.panel.collapsed .panel-body { display: none; }
.panel-source {
    font-size: .76rem; color: var(--ink-soft);
    display: flex; align-items: center; gap: .4rem; margin-top: .65rem;
}
.panel-source i { color: var(--green-600); }
.panel-note { font-size: .82rem; color: var(--ink-soft); margin-bottom: .7rem; }

/* ── Tabelle calcolo ───────────────────────────────────────── */
.table-ghg { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .88rem; }
.table-ghg th {
    font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
    letter-spacing: .05em; font-size: .72rem; color: var(--ink-soft);
    border-bottom: 2px solid var(--line); padding: .45rem .55rem; white-space: nowrap;
    background: #fff;
}
.table-ghg td { padding: .35rem .55rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table-ghg tr:last-child td { border-bottom: none; }
.cell-name { font-weight: 500; }
.cell-factor { color: var(--ink-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
.group-row td {
    background: var(--green-050); font-family: var(--font-display); font-weight: 600;
    color: var(--green-900); text-transform: uppercase; letter-spacing: .05em; font-size: .78rem;
}

/* R01 — input modificabili: sfondo chiaro + bordo verde */
.input-qty {
    width: 130px; max-width: 100%;
    background: #ffffff;
    border: 1.5px solid var(--green-600);
    border-radius: 7px; padding: .3rem .5rem;
    font-size: .88rem; text-align: right;
    font-variant-numeric: tabular-nums;
}
.input-qty:focus { outline: none; border-color: var(--green-900); box-shadow: 0 0 0 3px var(--green-100); }
.input-qty.sm { width: 95px; }

/* R01 — risultati calcolati: read-only, sfondo grigio */
.cell-calc {
    background: var(--grey-cell);
    border-radius: 7px; padding: .3rem .55rem;
    text-align: right; font-variant-numeric: tabular-nums;
    color: var(--ink); min-width: 92px; display: inline-block;
}
.cell-calc.strong { font-weight: 600; color: var(--green-900); }
.cell-calc.readonly-src { background: var(--green-025); border: 1px dashed var(--green-600); }

.subtotal-row td {
    background: var(--green-025); font-weight: 600; color: var(--green-900);
    border-top: 2px solid var(--green-100);
}

/* ── Barra totale (signature) ──────────────────────────────── */
.total-bar {
    position: sticky; bottom: 0; z-index: 1030;
    background: var(--green-900); color: #fff;
    border-radius: 14px 14px 0 0;
    padding: .8rem 1.3rem;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    flex-wrap: wrap;
    box-shadow: 0 -8px 24px rgba(20, 83, 45, .25);
}
.total-bar .tb-item { display: flex; flex-direction: column; }
.total-bar .tb-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; opacity: .75; }
.total-bar .tb-value { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.total-bar .tb-grand .tb-value { font-size: 1.9rem; color: #b7f0cd; }

/* ── KPI dashboard ─────────────────────────────────────────── */
.kpi-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1rem 1.15rem; height: 100%;
}
.kpi-card .kpi-icon {
    width: 42px; height: 42px; border-radius: 11px;
    background: var(--green-050); color: var(--green-700);
    display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
    margin-bottom: .6rem;
}
.kpi-card .kpi-value { font-family: var(--font-display); font-weight: 700; font-size: 1.9rem; color: var(--green-900); line-height: 1.05; }
.kpi-card .kpi-label { font-size: .8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.kpi-card .kpi-sub { font-size: .8rem; color: var(--ink-soft); }

.scope-bar { height: 12px; border-radius: 999px; background: var(--green-050); overflow: hidden; display: flex; }
.scope-bar .seg-s1 { background: var(--green-700); }
.scope-bar .seg-s2 { background: var(--green-600); }
.scope-bar .seg-s3 { background: var(--green-900); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: .35rem; }

/* ── Riepilogo tabellare ───────────────────────────────────── */
.table-summary th, .table-summary td { padding: .5rem .65rem; }
.table-summary .row-total td { background: var(--green-100); font-weight: 700; color: var(--green-900); }

/* ── Login ─────────────────────────────────────────────────── */
.login-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(160deg, #ffffff 0%, var(--green-050) 55%, var(--green-100) 100%);
    padding: 1rem;
}
.login-card {
    width: 100%; max-width: 420px; background: #fff;
    border: 1px solid var(--line); border-radius: 18px;
    padding: 2rem 1.8rem; box-shadow: 0 20px 50px rgba(20, 83, 45, .1);
}
.login-head { text-align: center; margin-bottom: 1.4rem; }
.login-head h1 { font-size: 1.9rem; font-weight: 700; color: var(--green-900); margin: .8rem 0 .2rem; }
.login-head p { color: var(--ink-soft); font-size: .9rem; margin: 0; }
.login-foot { font-size: .72rem; color: var(--ink-soft); text-align: center; margin: 1.2rem 0 0; }

.form-control:focus { border-color: var(--green-600); box-shadow: 0 0 0 3px var(--green-100); }

/* ── Toast ─────────────────────────────────────────────────── */
.app-toast-wrap { position: fixed; top: 1rem; right: 1rem; z-index: 2000; display: flex; flex-direction: column; gap: .5rem; }
.app-toast {
    background: var(--green-900); color: #fff; border-radius: 10px;
    padding: .65rem 1rem; font-size: .9rem; display: flex; align-items: center; gap: .6rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.2); animation: toast-in .25s ease;
}
.app-toast.error { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ── DataTables ritocchi ───────────────────────────────────── */
table.dataTable { font-size: .9rem; }
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--green-700) !important; color: #fff !important; border-color: var(--green-700) !important;
}

/* ── Stampa (export PDF) ───────────────────────────────────── */
@media print {
    .app-sidebar, .app-topbar, .total-bar, .no-print, .btn { display: none !important; }
    .app-main { margin-left: 0 !important; }
    .app-content { padding: 0 !important; }
    .panel { break-inside: avoid; border-color: #bbb; }
    .panel.collapsed .panel-body { display: block !important; }
    .print-header { display: block !important; }
    body { font-size: 12px; }
}
.print-header { display: none; margin-bottom: 1rem; }
.print-header h2 { color: var(--green-900); }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}