:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #eff6ff;
    --color-bg: #f4f5f7;
    --color-sidebar: #111827;
    --color-sidebar-text: #cbd5e1;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-danger: #dc2626;
    --color-success: #16a34a;
    --color-surface: #ffffff;
    --color-surface-alt: #f9fafb;
    --radius: 10px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --sidebar-width: 240px;
    --topbar-height: 56px;
}

/* Tema scuro: attributo impostato lato server (preferenza utente) o via JS
   per la modalità "auto" (segue il sistema operativo) — vedi templates/layout.php.
   La sidebar è più scura dello sfondo pagina (non lo stesso colore, come in
   chiaro dove il contrasto è naturale): serve un --color-sidebar dedicato. */
[data-theme="dark"] {
    --color-primary: #3b82f6;
    --color-primary-dark: #60a5fa;
    --color-primary-light: #1e3a5f;
    --color-bg: #0f172a;
    --color-sidebar: #060a13;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-border: #2d3748;
    --color-danger: #f87171;
    --color-success: #4ade80;
    --color-surface: #1e293b;
    --color-surface-alt: #16202f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .sidebar { border-right: 1px solid rgba(255, 255, 255, 0.06); }
[data-theme="dark"] .mobile-topbar { border-bottom: 1px solid rgba(255, 255, 255, 0.06); }

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn-link { background: none; border: none; padding: 0; margin: 0; color: var(--color-primary); cursor: pointer; font-size: inherit; font-family: inherit; }
.btn-link:hover { text-decoration: underline; }

/* ---- Barra superiore mobile (hamburger) ---- */
.mobile-topbar {
    display: none;
    align-items: center;
    gap: 12px;
    height: var(--topbar-height);
    padding: 0 14px;
    background: var(--color-sidebar);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 60;
}

.mobile-topbar .brand { font-weight: 700; font-size: 17px; }
.mobile-topbar .brand-logo { max-height: 32px; max-width: 140px; object-fit: contain; }

.hamburger-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    line-height: 1;
    padding: 6px 8px;
    cursor: pointer;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 70;
}

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

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    padding: 8px 20px 24px;
    text-align: center;
}

.sidebar-brand img { max-height: 64px; max-width: 100%; object-fit: contain; }

.sidebar nav { flex: 1; display: flex; flex-direction: column; overflow-y: auto; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 20px;
    color: var(--color-sidebar-text);
    border-left: 3px solid transparent;
    font-size: 14px;
}

.nav-icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.85; }
.nav-link.active .nav-icon { opacity: 1; }

/* ---- Icone di azione (modifica/elimina) al posto o accanto alla scritta ---- */
.action-icon { width: 16px; height: 16px; flex-shrink: 0; vertical-align: -3px; }
.btn .action-icon, .btn-link .action-icon { margin-right: 6px; }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: none;
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
    flex-shrink: 0;
}
.icon-btn .action-icon { margin-right: 0; }
.icon-btn:hover { background: var(--color-surface-alt); color: var(--color-primary); text-decoration: none; }
.icon-btn.icon-btn-danger:hover { color: var(--color-danger); }

.nav-link:hover { background: rgba(255,255,255,0.06); text-decoration: none; }

.nav-link.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: var(--color-primary);
}

.sidebar-footer { padding: 12px 20px 0; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 12px; }
.sidebar-user { font-size: 13px; color: #9ca3af; margin-bottom: 8px; }

.content {
    flex: 1;
    /* Senza min-width:0 un figlio flex non si restringe mai sotto la
       larghezza intrinseca del suo contenuto: una tabella larga dentro
       .card spingeva l'intera pagina oltre il viewport invece di scorrere
       solo dentro il proprio .table-scroll. */
    min-width: 0;
    padding: 28px 40px;
    max-width: 1600px;
    width: 100%;
}

.page-title { margin: 0 0 20px; font-size: 23px; font-weight: 700; }

/* ---- Barra in alto alla pagina: ricerca globale + toggle tema ---- */
.header-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }

.header-search {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    max-width: 420px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}
.header-search .action-icon { color: var(--color-text-muted); flex-shrink: 0; }
.header-search input[type=search] {
    flex: 1;
    min-width: 0;
    border: none;
    padding: 8px 0;
    background: none;
    color: var(--color-text);
}
.header-search input[type=search]:focus { outline: none; box-shadow: none; }
.header-search input[type=search]::placeholder { color: var(--color-text-muted); }

@media (max-width: 640px) {
    .header-search { max-width: none; }
}

/* ---- Pagine di autenticazione (senza sidebar) ---- */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 32px;
    width: 100%;
    max-width: 380px;
}

.auth-card h1 { font-size: 20px; margin-top: 0; }
.auth-logo { text-align: center; margin-bottom: 20px; }
.auth-logo img { max-width: 120px; max-height: 120px; }

/* ---- Form ---- */
.form-group { margin-bottom: 16px; }

/* Evidenziazione durante il trascinamento di un file su un campo di upload
   (vedi templates/layout.php): outline invece di border, per non spostare il
   layout quando si attiva. */
.dropzone-file-attiva {
    outline: 2px dashed var(--color-primary);
    outline-offset: 4px;
    background: var(--color-primary-light);
    border-radius: var(--radius);
}
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=datetime-local], select, textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-surface);
    color: inherit;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea { resize: vertical; }

.form-row { display: flex; gap: 16px; }
.form-row > .form-group { flex: 1; min-width: 0; }

.btn {
    display: inline-block;
    padding: 9px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { background: var(--color-surface-alt); }
.btn-danger { background: var(--color-danger); }
.btn-block { width: 100%; text-align: center; }

/* ---- Tabelle ---- */
/* Barra di scorrimento orizzontale sempre visibile (non overlay a
   comparsa): su Windows di norma è nascosta finché non ci passi sopra col
   mouse, e su tabelle larghe che eccedono la larghezza disponibile questo
   fa sembrare che le colonne oltre il bordo semplicemente non esistano. */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}
.table-scroll::-webkit-scrollbar { height: 10px; }
.table-scroll::-webkit-scrollbar-track { background: transparent; }
.table-scroll::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 999px; }
.table-scroll::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }
table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--color-border); font-size: 14px; white-space: nowrap; }
td.cell-wrap { white-space: normal; word-break: break-word; min-width: 180px; }
/* Cella dati vuota (nessun valore per quella riga): un trattino al posto del
   bianco, così si vede subito che manca un dato invece di sembrare un errore.
   Non tocca le celle azione (hanno sempre un'icona/link dentro, quindi non
   sono mai vuote) né le intestazioni (solo td, non th). */
td:empty::before { content: '—'; color: var(--color-text-muted); }
th { background: var(--color-surface-alt); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-text-muted); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-surface-alt); }

/* Colonna azioni (ultima colonna, es. "Modifica") sempre visibile durante lo
   scroll orizzontale delle tabelle su schermi piccoli: senza questo, su
   mobile finiva fuori dalla vista e serviva scorrere fino in fondo per
   trovarla. */
.table-scroll table th:last-child,
.table-scroll table td:last-child {
    position: sticky;
    right: 0;
    background: var(--color-surface);
    box-shadow: -6px 0 6px -6px rgba(0, 0, 0, 0.2);
}
.table-scroll table th:last-child { background: var(--color-surface-alt); }
.table-scroll table tr:hover td:last-child { background: var(--color-surface-alt); }

.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 22px; margin-bottom: 20px; }

/* Schede (tab) dentro una card, per raggruppare più sezioni senza allungare la pagina. */
.rb-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin: -22px -22px 20px; padding: 0 22px; }
.rb-tab-btn {
    background: none; border: none; border-bottom: 2px solid transparent;
    padding: 12px 6px; margin-bottom: -1px; font-size: 14px; font-weight: 600;
    color: var(--color-text-muted); cursor: pointer;
}
.rb-tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.rb-tab-section { padding-top: 20px; border-top: 1px solid var(--color-border); }
.rb-tab-section:first-child { padding-top: 0; border-top: none; }

.dashboard-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 8px;
}

/* Stessa causa del fix su .content: una colonna grid non si restringe mai
   sotto la larghezza intrinseca di una tabella larga al suo interno, e
   spingeva la pagina oltre il viewport invece di far scorrere solo .table-scroll. */
.dashboard-columns > div { min-width: 0; }

@media (max-width: 960px) {
    .dashboard-columns { grid-template-columns: 1fr; }
}

.company-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 14px 20px;
    margin-bottom: 20px;
    font-size: 17px;
    font-weight: 600;
}

.company-banner img { max-height: 40px; max-width: 120px; object-fit: contain; }

/* ---- Card riassuntive dashboard ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.stat-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 16px 18px;
    color: inherit;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.stat-card:hover { box-shadow: var(--shadow-md); text-decoration: none; transform: translateY(-1px); }

.stat-card-count { font-size: 28px; font-weight: 700; line-height: 1; margin-bottom: 6px; }
.stat-card-label { font-size: 13px; color: var(--color-text-muted); }

.stat-card-aperto { border-left-color: #d97706; }
.stat-card-aperto .stat-card-count { color: #92400e; }
.stat-card-chiuso { border-left-color: #2563eb; }
.stat-card-chiuso .stat-card-count { color: #1e40af; }
.stat-card-fatturato { border-left-color: #16a34a; }
.stat-card-fatturato .stat-card-count { color: #166534; }
.stat-card-sospeso { border-left-color: #dc2626; }
.stat-card-sospeso .stat-card-count { color: #991b1b; }
.stat-card-consegnato { border-left-color: var(--color-text-muted); }
.stat-card-consegnato .stat-card-count { color: #374151; }

/* ---- Grafico "Rapportini per mese" in dashboard ---- */
.chart-card { margin-bottom: 16px; padding: 16px 22px; position: relative; }
.chart-rapportini { width: 100%; height: auto; max-height: 160px; overflow: visible; }
.chart-bar { fill: var(--color-primary); cursor: pointer; transition: opacity 0.1s ease; }
.chart-bar:hover, .chart-bar:focus { opacity: 0.8; outline: none; }
.chart-line { fill: none; stroke: var(--color-success); stroke-width: 1.75; stroke-linejoin: round; stroke-linecap: round; pointer-events: none; }
.chart-dot { fill: var(--color-success); pointer-events: none; }
.chart-legend { display: flex; gap: 14px; font-size: 12px; color: var(--color-text-muted); }
.chart-legend-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }
.chart-legend-swatch-bar { background: var(--color-primary); }
.chart-legend-swatch-line { background: var(--color-success); border-radius: 50%; }
.chart-tooltip {
    position: absolute;
    transform: translate(-50%, -100%) translateY(-8px);
    background: var(--color-sidebar);
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.4;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: var(--shadow-md);
    z-index: 10;
}
.chart-tooltip strong { font-size: 13px; }

/* ---- Pagina "Copia per portale esterno" (attività senza rapportino) ---- */
.copia-portale-card { padding: 16px 20px; }
.copia-portale-campi { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.copia-portale-campo-full { grid-column: 1 / -1; }
.copia-portale-campo label { display: block; font-size: 12px; font-weight: 600; color: var(--color-text-muted); margin-bottom: 3px; }
.copia-portale-valore { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; background: var(--color-surface-alt); border-radius: var(--radius); padding: 7px 10px; }
.copia-portale-valore span { font-size: 14px; word-break: break-word; }
.copia-portale-valore .btn-copia { flex-shrink: 0; padding: 4px 10px; font-size: 12px; }
@media (max-width: 640px) {
    .copia-portale-campi { grid-template-columns: 1fr; }
}

.badge { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-aperto { background: #fef3c7; color: #92400e; }
.badge-chiuso { background: #dbeafe; color: #1e40af; }
.badge-fatturato { background: #dcfce7; color: #166534; }
.badge-sospeso { background: #fee2e2; color: #991b1b; }
.badge-consegnato { background: #e5e7eb; color: #374151; }
.badge-viola { background: #ede9fe; color: #5b21b6; }
.badge-ciano { background: #cffafe; color: #155e75; }
.badge-rosa { background: #fce7f3; color: #9d174d; }
.badge-indaco { background: #e0e7ff; color: #3730a3; }
.badge-lime { background: #ecfccb; color: #3f6212; }

.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; transition: opacity 0.6s ease; }
.flash.success { background: #dcfce7; color: #166534; }
.flash.error { background: #fee2e2; color: #991b1b; }
.flash.warning { background: #fef3c7; color: #92400e; }

[data-theme="dark"] .flash.success { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .flash.error { background: #7f1d1d; color: #fecaca; }
[data-theme="dark"] .flash.warning { background: #78350f; color: #fde68a; }

[data-theme="dark"] .badge-aperto { background: #78350f; color: #fde68a; }
[data-theme="dark"] .badge-chiuso { background: #1e3a5f; color: #bfdbfe; }
[data-theme="dark"] .badge-fatturato { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .badge-sospeso { background: #7f1d1d; color: #fecaca; }
[data-theme="dark"] .badge-consegnato { background: #374151; color: #e5e7eb; }
[data-theme="dark"] .badge-viola { background: #4c1d95; color: #ddd6fe; }
[data-theme="dark"] .badge-ciano { background: #164e63; color: #a5f3fc; }
[data-theme="dark"] .badge-rosa { background: #831843; color: #fbcfe8; }
[data-theme="dark"] .badge-indaco { background: #312e81; color: #c7d2fe; }
[data-theme="dark"] .badge-lime { background: #365314; color: #d9f99d; }

[data-theme="dark"] .stat-card-aperto .stat-card-count { color: #fbbf24; }
[data-theme="dark"] .stat-card-chiuso .stat-card-count { color: #60a5fa; }
[data-theme="dark"] .stat-card-fatturato .stat-card-count { color: #4ade80; }
[data-theme="dark"] .stat-card-sospeso .stat-card-count { color: #f87171; }
[data-theme="dark"] .stat-card-consegnato .stat-card-count { color: #cbd5e1; }

[data-theme="dark"] .sidebar-backdrop { background: rgba(0, 0, 0, 0.6); }

/* Colore di testo semantico riutilizzabile (es. conferma "Firmato, grazie."
   nella pagina pubblica del rapportino) al posto di un colore inline fisso. */
.text-success { color: var(--color-success); }

.error-message { color: var(--color-danger); font-size: 13px; margin-top: -8px; margin-bottom: 12px; }

/* Icona generica sopra il testo, così ogni "Nessun ... trovato" in tutto il
   sito risulta meno spoglio senza dover toccare le ~30 pagine che la usano.
   Stessa icona lente d'ingrandimento già usata nella ricerca globale
   (action_icon('ricerca') in helpers.php), qui incollata come data-URI perché
   nei CSS non si possono usare variabili di tema dentro url(). */
.empty-state {
    padding: 40px;
    text-align: center;
    color: var(--color-text-muted);
}
.empty-state::before {
    content: '';
    display: block;
    width: 36px;
    height: 36px;
    margin: 0 auto 10px;
    opacity: 0.45;
    background: no-repeat center / contain;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m21 21-4.3-4.3M18 10.5A7.5 7.5 0 1 1 3 10.5a7.5 7.5 0 0 1 15 0Z'/%3E%3C/svg%3E");
}

/* Combobox di ricerca (select nativa + filtro JS non è affidabile su mobile:
   i picker nativi di iOS/Android spesso ignorano le opzioni nascoste via JS). */
.combobox { position: relative; }
.combobox-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 50;
    max-height: 220px;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    margin-top: 2px;
}
.combobox-list.open { display: block; }
.combobox-list div { padding: 8px 12px; cursor: pointer; font-size: 14px; }
.combobox-list div:hover, .combobox-list div.active { background: var(--color-primary-light); }
.combobox-list .combobox-empty { color: var(--color-text-muted); cursor: default; }
.combobox-list .combobox-empty:hover { background: none; }

/* Firma a schermo intero (attivata via JS su richiesta, utile soprattutto su cellulare) */
.signature-wrap { position: relative; }
.signature-wrap.signature-fullscreen-active {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px;
    margin: 0;
    /* Su mobile la barra degli indirizzi può ridurre lo spazio visibile reale:
       se il contenuto risultasse più alto dello schermo, resta comunque scorribile
       invece di intrappolare l'utente senza modo di raggiungere i pulsanti. */
    overflow-y: auto;
}
.signature-wrap.signature-fullscreen-active canvas {
    /* Stesso rapporto largo/alto del riquadro normale (2.333:1) su qualunque
       dispositivo: senza questo, a schermo intero su un telefono in verticale
       il canvas si allungava verso il basso e la firma veniva salvata con un
       rapporto diverso da quella catturata da PC o senza schermo intero. */
    flex: 0 0 auto;
    width: 100% !important;
    max-width: 800px !important;
    height: auto !important;
    max-height: none !important;
    aspect-ratio: 2.333 / 1;
}
.signature-wrap.signature-fullscreen-active .toolbar { flex: 0 0 auto; margin-top: 12px; }

/* Tasto di chiusura sempre visibile, indipendente dalla barra pulsanti in fondo:
   niente scroll o rollercoaster del viewport mobile può nasconderlo. */
.signature-btn-close {
    display: none;
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 2001;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(17, 24, 39, 0.85);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}
.signature-wrap.signature-fullscreen-active .signature-btn-close { display: block; }

/* ============================================================
   Responsive: PC piccoli (laptop 13"/14", 1024-1300px circa)
   Sidebar e contenuto restano affiancati (come su desktop), ma con meno
   padding/sidebar più stretta per recuperare spazio utile su schermi piccoli
   dove il contenuto risultava più compresso del necessario.
   ============================================================ */
@media (max-width: 1300px) and (min-width: 961px) {
    :root { --sidebar-width: 208px; }
    .content { padding: 22px 24px; }
}

/* ============================================================
   Responsive: tablet e telefono
   ============================================================ */
@media (max-width: 960px) {
    .mobile-topbar { display: flex; }

    .app-shell { flex-direction: column; }

    .sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        z-index: 80;
        box-shadow: var(--shadow-md);
    }

    .sidebar.open { transform: translateX(0); }

    .sidebar-backdrop.open { display: block; }

    .content { padding: 18px; max-width: 100%; }

    .page-title { font-size: 20px; }

    .form-row { flex-direction: column; gap: 0; }

    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar > * { width: 100%; }
    .toolbar form { display: flex; gap: 8px; width: 100%; }
    .toolbar .spacer { display: none; }

    table { min-width: 640px; }
}

@media (max-width: 480px) {
    .content { padding: 12px; }
    .card { padding: 16px; }
    .auth-card { padding: 22px; }
}