/* ═══ FIELD SHELL — Mobile-first layout for Manutentore & Direttore ═══ */

#field-shell { display:none; flex-direction:column; height:100vh; background:var(--gray-50); }

/* Topbar */
.field-topbar { display:flex; align-items:center; justify-content:space-between; padding:12px 16px; background:#fff; box-shadow:var(--shadow-sm); z-index:10; position:sticky; top:0; }
.field-topbar-left { display:flex; align-items:center; gap:10px; }
.field-avatar { width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:13px; flex-shrink:0; }
.field-user-name { font-weight:600; font-size:15px; color:var(--gray-800); }
.field-user-role { font-size:12px; color:var(--gray-500); }
.field-topbar-right { display:flex; align-items:center; gap:12px; }
.field-switcher-btn { cursor:pointer; color:var(--gray-500); padding:4px; }
.field-switcher-btn:hover { color:var(--gray-800); }

/* Content area */
.field-content { flex:1; overflow-y:auto; padding:16px; padding-bottom:80px; }
.field-screen { display:none; }
.field-screen.active { display:block; animation:fadeIn .25s ease; }

/* Bottom nav */
.bottom-nav { display:none; position:fixed; bottom:0; left:0; right:0; background:#fff; box-shadow:0 -2px 8px rgba(0,0,0,.08); z-index:20; padding:6px 0 env(safe-area-inset-bottom, 6px); }
.bottom-nav.active { display:flex; justify-content:space-around; align-items:center; }
.bottom-nav-item { display:flex; flex-direction:column; align-items:center; gap:2px; padding:6px 12px; cursor:pointer; color:var(--gray-400); transition:color .2s; font-size:11px; font-weight:500; min-width:60px; }
.bottom-nav-item.active { color:var(--navy); }
.bottom-nav-item:hover { color:var(--navy); }

/* Field cards */
.field-card { background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow); padding:16px; margin-bottom:12px; }
.field-card:hover { box-shadow:var(--shadow-md); }
.field-card-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:8px; }
.field-card-title { font-weight:600; font-size:15px; color:var(--gray-800); }
.field-card-sub { font-size:13px; color:var(--gray-500); margin-top:2px; }
.field-card-meta { display:flex; gap:8px; align-items:center; margin-top:8px; flex-wrap:wrap; }
.field-card-clickable { cursor:pointer; transition:transform .15s; }
.field-card-clickable:active { transform:scale(.98); }

/* Field section headers */
.field-section { margin-bottom:20px; }
.field-section-title { font-size:13px; font-weight:700; color:var(--gray-500); text-transform:uppercase; letter-spacing:.5px; margin-bottom:8px; padding-left:4px; }

/* Field KPIs */
.field-kpis { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:20px; }
.field-kpi { background:#fff; border-radius:var(--radius); padding:14px; text-align:center; box-shadow:var(--shadow-sm); border-top:3px solid var(--gray-200); }
.field-kpi-value { font-size:24px; font-weight:700; color:var(--gray-800); }
.field-kpi-label { font-size:11px; color:var(--gray-500); margin-top:2px; }

/* Field forms */
.field-form { background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow); padding:20px; }
.field-form .form-field { margin-bottom:16px; }
.field-form .form-field label { display:block; font-size:13px; font-weight:600; color:var(--gray-700); margin-bottom:6px; }
.field-form input, .field-form select, .field-form textarea { width:100%; min-height:44px; font-size:15px; padding:10px 14px; }
.field-form textarea { min-height:100px; resize:vertical; }

/* Material line items (preventivo/rapporto) */
.field-line-items { margin-bottom:12px; }
.field-line-item { display:grid; grid-template-columns:1fr 100px 32px; gap:8px; margin-bottom:8px; align-items:center; }
.field-line-item input { min-height:40px; }
.field-line-item .remove-item { width:32px; height:32px; display:flex; align-items:center; justify-content:center; background:var(--red-light); color:var(--red); border-radius:var(--radius); cursor:pointer; border:none; }

/* Field photo upload */
.field-photo-upload { display:flex; align-items:center; justify-content:center; min-height:80px; border:2px dashed var(--gray-300); border-radius:var(--radius); cursor:pointer; color:var(--gray-500); gap:8px; font-size:14px; transition:border-color .2s, background .2s; }
.field-photo-upload:hover { border-color:var(--navy); background:rgba(30,58,95,.03); color:var(--navy); }

/* Field action buttons */
.field-action-btn { display:flex; align-items:center; justify-content:center; gap:8px; width:100%; padding:14px; border-radius:var(--radius); font-size:15px; font-weight:600; border:none; cursor:pointer; transition:all .2s; margin-bottom:10px; }
.field-action-btn.primary { background:var(--navy); color:#fff; }
.field-action-btn.primary:hover { background:#152d4d; }
.field-action-btn.success { background:var(--green); color:#fff; }
.field-action-btn.success:hover { background:#16a34a; }
.field-action-btn.warning { background:var(--amber); color:#fff; }
.field-action-btn.warning:hover { background:#d97706; }
.field-action-btn.secondary { background:#fff; color:var(--gray-700); border:1px solid var(--gray-300); }

/* Field timeline */
.field-timeline { padding-left:20px; border-left:2px solid var(--gray-200); }
.field-timeline-item { position:relative; padding-bottom:16px; padding-left:16px; }
.field-timeline-item::before { content:''; position:absolute; left:-7px; top:4px; width:12px; height:12px; border-radius:50%; background:var(--gray-300); border:2px solid #fff; }
.field-timeline-item.active::before { background:var(--navy); }
.field-timeline-item.done::before { background:var(--green); }
.field-timeline-time { font-size:12px; color:var(--gray-400); }
.field-timeline-text { font-size:14px; color:var(--gray-700); margin-top:2px; }

/* Equipment cards */
.field-equip-card { display:flex; gap:12px; align-items:center; }
.field-equip-icon { width:44px; height:44px; border-radius:var(--radius); background:var(--gray-100); display:flex; align-items:center; justify-content:center; color:var(--navy); flex-shrink:0; }
.field-equip-info { flex:1; min-width:0; }
.field-equip-name { font-weight:600; font-size:14px; color:var(--gray-800); }
.field-equip-detail { font-size:12px; color:var(--gray-500); }

/* QR code display (simulated) */
.field-qr { width:120px; height:120px; background:var(--gray-100); border:1px solid var(--gray-200); border-radius:var(--radius); display:flex; align-items:center; justify-content:center; margin:16px auto; }

/* Total row */
.field-total-row { display:flex; justify-content:space-between; align-items:center; padding:12px 0; border-top:2px solid var(--gray-200); margin-top:8px; font-weight:700; font-size:16px; }

/* Empty state */
.field-empty { text-align:center; padding:40px 20px; color:var(--gray-400); }
.field-empty-icon { font-size:48px; margin-bottom:12px; opacity:.5; }
.field-empty-text { font-size:15px; }

/* User switcher (shared between shells) */
.user-switcher { display:none; position:fixed; top:0; right:0; bottom:0; width:280px; background:#fff; box-shadow:-4px 0 16px rgba(0,0,0,.12); z-index:100; padding:20px; overflow-y:auto; animation:slideInRight .2s ease; }
.user-switcher.active { display:block; }
.user-switcher-title { font-size:13px; font-weight:700; color:var(--gray-500); text-transform:uppercase; letter-spacing:.5px; margin-bottom:16px; }
.user-switcher-item { display:flex; align-items:center; gap:12px; padding:12px; border-radius:var(--radius); cursor:pointer; transition:background .15s; margin-bottom:4px; }
.user-switcher-item:hover { background:var(--gray-100); }
.user-switcher-item.current { background:var(--gray-100); border:1px solid var(--gray-300); }
.user-switcher-item .avatar { width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:12px; flex-shrink:0; }
.user-switcher-item .sw-name { font-weight:600; font-size:14px; }
.user-switcher-item .sw-role { font-size:12px; color:var(--gray-500); }
.user-switcher-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.3); z-index:99; }
.user-switcher-overlay.active { display:block; }

/* Login grid for 6 users */
.login-users-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; }