:root {
  --bg: #f7fbff;
  --surface: #ffffff;
  --surface-2: #f1f7fd;
  --text: #16324a;
  --muted: #6b7f91;
  --line: #dceaf6;
  --primary: #2f80ed;
  --primary-dark: #1769c2;
  --nav: #eaf5ff;
  --nav-2: #d8ecff;
  --success: #18794e;
  --success-bg: #eaf8f1;
  --warn: #9a6700;
  --warn-bg: #fff6df;
  --danger: #b42318;
  --danger-bg: #fff0ee;
  --shadow: 0 14px 40px rgba(33, 48, 79, .08);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.tiny { font-size: 12px; }
.eyebrow { margin: 0 0 6px; font-size: 11px; font-weight: 700; letter-spacing: .13em; color: var(--primary); }
h1,h2,h3,h4,p { margin-top: 0; }
h1 { font-size: 30px; margin-bottom: 8px; }
h2 { margin-bottom: 0; font-size: 25px; }
h3 { font-size: 18px; }

.login-view { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 20% 10%, #dff0ff 0, transparent 33%), radial-gradient(circle at 80% 85%, #eef8ff 0, transparent 30%), #f7fbff; }
.login-card { width: min(430px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 38px; box-shadow: var(--shadow); }
.brand-mark { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; background: linear-gradient(145deg, #2f80ed, #69b7ff); color: #fff; font-weight: 800; font-size: 23px; margin-bottom: 24px; }
.small-mark { width: 38px; height: 38px; border-radius: 11px; font-size: 17px; margin: 0; flex: 0 0 auto; }
.login-subtitle { margin-bottom: 28px; }
.stack-lg { display: grid; gap: 18px; }
.field { display: grid; gap: 7px; font-size: 13px; font-weight: 600; color: #3b465a; }
.field input, .field select, .field textarea, .control { width: 100%; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 11px 12px; outline: none; color: var(--text); }
.field input:focus, .field select:focus, .field textarea:focus, .control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,104,255,.11); }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 45px; }
.password-wrap .small { position: absolute; right: 4px; top: 4px; }
.security-note { margin: 22px 0 0; color: var(--muted); text-align: center; }
.form-error { margin-top: 16px; padding: 10px 12px; border-radius: 9px; background: var(--danger-bg); color: var(--danger); font-size: 13px; }

.button { border: 0; border-radius: 10px; padding: 10px 15px; font-weight: 700; transition: .15s ease; }
.button.primary { background: var(--primary); color: white; }
.button.primary:hover { background: var(--primary-dark); }
.button.secondary { background: #edf2ff; color: #2455d6; }
.button.ghost { background: transparent; color: inherit; border: 1px solid var(--line); }
.button.danger { background: var(--danger-bg); color: var(--danger); }
.button.wide { width: 100%; }
.button.small { padding: 7px 10px; font-size: 12px; }
.icon-button { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--text); display: grid; place-items: center; }
.icon-button.small { width: 35px; height: 35px; border: 0; }

.app-shell { display: grid; grid-template-columns: 250px minmax(0,1fr); min-height: 100vh; }
.sidebar { background: var(--nav); color: #fff; padding: 24px 18px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand-row { display: flex; align-items: center; gap: 12px; padding: 0 8px 23px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-row strong { display: block; font-size: 14px; }
.brand-row span { display: block; margin-top: 3px; color: #a9b5c9; font-size: 11px; }
.nav-list { display: grid; gap: 7px; margin-top: 22px; }
.nav-item { display: flex; align-items: center; gap: 11px; width: 100%; border: 0; background: transparent; color: #b8c3d5; padding: 11px 12px; border-radius: 10px; text-align: left; font-weight: 600; }
.nav-item:hover, .nav-item.active { background: var(--nav-2); color: #fff; }
.nav-item span { width: 20px; text-align: center; color: #8fa8df; }
.sidebar-footer { margin-top: auto; border-top: 1px solid rgba(255,255,255,.08); padding-top: 18px; }
.account-chip { display: flex; gap: 10px; align-items: center; margin-bottom: 13px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: #31415e; display: grid; place-items: center; font-weight: 800; }
.account-chip strong { display: block; font-size: 12px; }
.account-chip span { display: block; max-width: 150px; overflow: hidden; text-overflow: ellipsis; color: #9eabc0; font-size: 10px; white-space: nowrap; margin-top: 2px; }
.sidebar .button.ghost { border-color: rgba(255,255,255,.15); color: #dce4f1; }

.main-area { min-width: 0; }
.topbar { height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 30px; background: rgba(255,255,255,.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.top-actions { display: flex; gap: 10px; align-items: center; }
.content { padding: 26px 30px 50px; }

.toolbar { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.toolbar-group { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search { min-width: 280px; position: relative; }
.search input { padding-left: 38px; }
.search:before { content: "⌕"; position: absolute; left: 13px; top: 10px; color: var(--muted); z-index: 1; }
.control { width: auto; min-width: 130px; padding: 9px 11px; }

.card-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; margin-bottom: 20px; }
.metric-card, .panel { background: var(--surface); border: 1px solid var(--line); border-radius: 15px; box-shadow: 0 5px 22px rgba(33,48,79,.035); }
.metric-card { padding: 18px; }
.metric-label { color: var(--muted); font-size: 12px; font-weight: 600; }
.metric-value { margin-top: 8px; font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.metric-meta { margin-top: 7px; font-size: 11px; color: var(--muted); }
.metric-meta.success { color: var(--success); }
.metric-meta.danger { color: var(--danger); }
.panel { padding: 20px; margin-bottom: 18px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel-header h3 { margin: 0; }
.split { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--surface); }
th { text-align: left; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; background: var(--surface-2); }
th, td { padding: 12px 13px; border-bottom: 1px solid #edf0f5; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
.clickable-row { cursor: pointer; }
.money { font-variant-numeric: tabular-nums; font-weight: 700; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge.success { background: var(--success-bg); color: var(--success); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.neutral { background: #eef2f6; color: #596579; }
.badge.info { background: #edf2ff; color: #2a56c6; }

.empty { text-align: center; padding: 34px; color: var(--muted); }
.bar-list { display: grid; gap: 13px; }
.bar-row { display: grid; grid-template-columns: minmax(115px,1fr) 2fr 70px; gap: 10px; align-items: center; font-size: 12px; }
.bar-track { height: 8px; background: #edf1f6; border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg,#2f80ed,#77bdf7); border-radius: 999px; }

.modal-backdrop { position: fixed; inset: 0; background: rgba(18,25,38,.5); display: grid; place-items: center; z-index: 100; padding: 20px; }
.modal { width: min(720px, 100%); max-height: 92vh; overflow: auto; background: var(--surface); border-radius: 18px; box-shadow: 0 30px 90px rgba(0,0,0,.2); }
.modal.large { width: min(980px, 100%); }
.modal-header { display: flex; align-items: start; justify-content: space-between; gap: 16px; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.modal-header h3 { margin: 0; }
.modal-body { padding: 22px 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 15px; }
.form-grid .full { grid-column: 1 / -1; }
.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.tab { border: 0; background: transparent; padding: 9px 4px 11px; margin-right: 18px; color: var(--muted); font-weight: 700; border-bottom: 2px solid transparent; }
.tab.active { color: var(--primary); border-color: var(--primary); }
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 15px; }
.detail-name { font-size: 24px; margin-bottom: 6px; }
.detail-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin: 18px 0; }
.detail-box { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 13px; }
.detail-box span { display: block; font-size: 11px; color: var(--muted); margin-bottom: 5px; }
.detail-box strong { font-size: 13px; }
.notice { padding: 12px 14px; border: 1px solid #dce6ff; background: #f4f7ff; color: #355487; border-radius: 10px; font-size: 12px; margin-bottom: 15px; }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 200; background: #172033; color: #fff; padding: 12px 15px; border-radius: 10px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(8px); transition: .2s; font-size: 13px; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #a1261e; }


.link-button { border: 0; background: transparent; color: var(--primary); font-weight: 700; padding: 0; text-align: center; margin-top: -4px; }
.link-button:hover { text-decoration: underline; }
.account-button { width: 100%; border: 0; background: transparent; color: inherit; padding: 7px 6px; border-radius: 10px; text-align: left; cursor: pointer; }
.account-button:hover { background: var(--nav-2); }
.account-chevron { margin-left: auto !important; font-size: 20px !important; color: #9eabc0 !important; max-width: none !important; }
.account-card { border: 1px solid var(--line); background: var(--surface-2); border-radius: 12px; padding: 14px; margin-bottom: 16px; }
.account-card strong { display:block; margin-bottom:4px; }
.account-card p { margin:0; }
.export-note { display:flex; align-items:center; gap:8px; color:var(--muted); font-size:12px; }
@media (max-width: 1000px) {
  .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .app-shell { grid-template-columns: 76px minmax(0,1fr); }
  .sidebar { padding: 18px 10px; }
  .brand-row > div:last-child, .nav-item:not(.active) { font-size: 0; }
  .brand-row { justify-content: center; padding-left: 0; padding-right: 0; }
  .nav-item { justify-content: center; font-size: 0; }
  .nav-item span { font-size: 17px; }
  .account-chip div:not(.avatar), .sidebar-footer .button { display: none; }
  .account-chip { justify-content: center; }
  .content { padding: 20px 16px 40px; }
  .topbar { padding: 0 16px; }
  .card-grid { grid-template-columns: 1fr; }
  .form-grid, .detail-grid { grid-template-columns: 1fr; }
  .search { min-width: 100%; }
  .top-actions .primary { display: none; }
}


/* --- Temi selezionabili --- */

/* Azzurro e bianco (tema predefinito) */
:root:not([data-theme]), :root[data-theme=""], :root[data-theme="professional"] {
  --bg:#f8fcff; --surface:#ffffff; --surface-2:#f1f9ff; --text:#17364d; --muted:#6b8293;
  --line:#d7ebf8; --primary:#47a9e8; --primary-dark:#2d8bc9; --nav:#eaf6ff; --nav-2:#d9efff;
  --success:#18794e; --success-bg:#eaf8f1; --warn:#9a6700; --warn-bg:#fff6df; --danger:#b42318; --danger-bg:#fff0ee;
}
:root:not([data-theme]) .sidebar, :root[data-theme=""] .sidebar, :root[data-theme="professional"] .sidebar { background:#eaf6ff; color:#17364d; border-right:1px solid #cce5f5; }
:root:not([data-theme]) .brand-row, :root[data-theme=""] .brand-row, :root[data-theme="professional"] .brand-row { border-bottom-color:#cce5f5; }
:root:not([data-theme]) .brand-row strong, :root[data-theme=""] .brand-row strong, :root[data-theme="professional"] .brand-row strong { color:#143b58; }
:root:not([data-theme]) .brand-row span, :root:not([data-theme]) .account-chip span, :root[data-theme=""] .brand-row span, :root[data-theme=""] .account-chip span, :root[data-theme="professional"] .brand-row span, :root[data-theme="professional"] .account-chip span { color:#6d879a; }
:root:not([data-theme]) .nav-item, :root[data-theme=""] .nav-item, :root[data-theme="professional"] .nav-item { color:#42677f; }
:root:not([data-theme]) .nav-item:hover, :root:not([data-theme]) .nav-item.active, :root[data-theme=""] .nav-item:hover, :root[data-theme=""] .nav-item.active, :root[data-theme="professional"] .nav-item:hover, :root[data-theme="professional"] .nav-item.active { background:#d9efff; color:#0b5f97; }
:root:not([data-theme]) .nav-item span, :root[data-theme=""] .nav-item span, :root[data-theme="professional"] .nav-item span { color:#45a1dc; }
:root:not([data-theme]) .sidebar-footer, :root[data-theme=""] .sidebar-footer, :root[data-theme="professional"] .sidebar-footer { border-top-color:#cce5f5; }
:root:not([data-theme]) .sidebar .button.ghost, :root[data-theme=""] .sidebar .button.ghost, :root[data-theme="professional"] .sidebar .button.ghost { border-color:#b9daf0; color:#275a79; background:rgba(255,255,255,.45); }
:root:not([data-theme]) .avatar, :root[data-theme=""] .avatar, :root[data-theme="professional"] .avatar { background:#cceaff; color:#166796; }
:root:not([data-theme]) .brand-mark, :root[data-theme=""] .brand-mark, :root[data-theme="professional"] .brand-mark { background:linear-gradient(145deg,#54b7ee,#85d1f7); color:#fff; }
:root:not([data-theme]) .bar-fill, :root[data-theme=""] .bar-fill, :root[data-theme="professional"] .bar-fill { background:linear-gradient(90deg,#47a9e8,#86d1f3); }
:root:not([data-theme]) .login-view, :root[data-theme=""] .login-view, :root[data-theme="professional"] .login-view { background:radial-gradient(circle at 20% 10%,#dff3ff 0,transparent 33%),radial-gradient(circle at 80% 85%,#effaff 0,transparent 30%),#f8fcff; }
:root:not([data-theme]) .topbar, :root[data-theme=""] .topbar, :root[data-theme="professional"] .topbar { background:rgba(255,255,255,.9); }
:root:not([data-theme]) .button.secondary, :root[data-theme=""] .button.secondary, :root[data-theme="professional"] .button.secondary { background:#e7f5ff; color:#176d9e; }
:root:not([data-theme]) .badge.info, :root[data-theme=""] .badge.info, :root[data-theme="professional"] .badge.info { background:#e7f5ff; color:#176d9e; }
:root:not([data-theme]) .account-button:hover, :root[data-theme=""] .account-button:hover, :root[data-theme="professional"] .account-button:hover { background:#d9efff; }
:root[data-theme="minimal"] {
  --bg:#f7f7f8; --surface:#ffffff; --surface-2:#f4f4f5; --text:#18181b; --muted:#71717a;
  --line:#e4e4e7; --primary:#18181b; --primary-dark:#000000; --nav:#ffffff; --nav-2:#f1f1f3;
  --success:#18794e; --success-bg:#eaf8f1; --warn:#9a6700; --warn-bg:#fff6df; --danger:#b42318; --danger-bg:#fff0ee;
}
:root[data-theme="minimal"] .sidebar { color:var(--text); border-right:1px solid var(--line); }
:root[data-theme="minimal"] .brand-row { border-bottom-color:var(--line); }
:root[data-theme="minimal"] .brand-row span, :root[data-theme="minimal"] .account-chip span { color:var(--muted); }
:root[data-theme="minimal"] .nav-item { color:#52525b; }
:root[data-theme="minimal"] .nav-item:hover, :root[data-theme="minimal"] .nav-item.active { background:var(--nav-2); color:#111; }
:root[data-theme="minimal"] .nav-item span { color:#71717a; }
:root[data-theme="minimal"] .sidebar-footer { border-top-color:var(--line); }
:root[data-theme="minimal"] .sidebar .button.ghost { border-color:var(--line); color:var(--text); }
:root[data-theme="minimal"] .avatar { background:#e4e4e7; color:#18181b; }
:root[data-theme="minimal"] .brand-mark { background:linear-gradient(145deg,#18181b,#52525b); }
:root[data-theme="minimal"] .bar-fill { background:linear-gradient(90deg,#18181b,#71717a); }
:root[data-theme="minimal"] .login-view { background:#f7f7f8; }


:root[data-theme="dark"] {
  --bg:#11161d; --surface:#171d25; --surface-2:#1e2630; --text:#f3f6f9; --muted:#a5b0bc;
  --line:#2c3744; --primary:#e7edf5; --primary-dark:#cbd5df; --nav:#0b0f14; --nav-2:#1a232d;
  --success:#6fd0a2; --success-bg:#173629; --warn:#f2c96d; --warn-bg:#3a3018; --danger:#ff938a; --danger-bg:#3a201f;
  --shadow:0 14px 40px rgba(0,0,0,.28);
}
:root[data-theme="dark"] .sidebar { color:var(--text); border-right:1px solid var(--line); }
:root[data-theme="dark"] .brand-row { border-bottom-color:var(--line); }
:root[data-theme="dark"] .brand-row span, :root[data-theme="dark"] .account-chip span { color:var(--muted); }
:root[data-theme="dark"] .nav-item { color:#b9c4ce; }
:root[data-theme="dark"] .nav-item:hover, :root[data-theme="dark"] .nav-item.active { background:var(--nav-2); color:#fff; }
:root[data-theme="dark"] .nav-item span { color:#c6d2de; }
:root[data-theme="dark"] .sidebar-footer { border-top-color:var(--line); }
:root[data-theme="dark"] .sidebar .button.ghost { border-color:var(--line); color:var(--text); }
:root[data-theme="dark"] .avatar { background:#273444; color:#f7fafc; }
:root[data-theme="dark"] .brand-mark { background:linear-gradient(145deg,#2c3744,#657383); }
:root[data-theme="dark"] .bar-fill { background:linear-gradient(90deg,#d6e0ea,#7e91a4); }
:root[data-theme="dark"] .login-view { background:#11161d; }
:root[data-theme="dark"] .topbar { background:rgba(17,22,29,.88); }
:root[data-theme="dark"] th, :root[data-theme="dark"] td { border-bottom-color:#26313d; }
:root[data-theme="dark"] .button.secondary { background:#25313e; color:#e7edf5; }
:root[data-theme="dark"] .badge.neutral { background:#26313d; color:#cbd5df; }
:root[data-theme="dark"] .badge.info { background:#243344; color:#b9d9f4; }
:root[data-theme="dark"] .bar-track { background:#26313d; }
:root[data-theme="dark"] .notice { border-color:#30475c; background:#1c2a37; color:#bcd0e2; }
:root[data-theme="dark"] .modal-backdrop { background:rgba(0,0,0,.66); }
:root[data-theme="dark"] .field { color:#d6dee6; }
:root[data-theme="dark"] .field input:focus, :root[data-theme="dark"] .field select:focus, :root[data-theme="dark"] .field textarea:focus, :root[data-theme="dark"] .control:focus { box-shadow:0 0 0 3px rgba(231,237,245,.10); }
:root[data-theme="dark"] .theme-preview { border-color:#394654; }
:root[data-theme="dark"] .account-button:hover { background:var(--nav-2); }

.theme-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.theme-card { border:1px solid var(--line); background:var(--surface); border-radius:14px; padding:14px; text-align:left; color:var(--text); }
.theme-card:hover { border-color:var(--primary); }
.theme-card.active { outline:2px solid var(--primary); outline-offset:1px; }
.theme-preview { height:88px; border-radius:10px; overflow:hidden; display:grid; grid-template-columns:28% 72%; border:1px solid rgba(0,0,0,.06); margin-bottom:10px; }
.theme-preview .tp-side { background:var(--preview-nav); }
.theme-preview .tp-main { background:var(--preview-bg); padding:9px; }
.theme-preview .tp-line { height:8px; background:var(--preview-primary); border-radius:999px; width:55%; margin-bottom:8px; }
.theme-preview .tp-card { height:42px; background:var(--preview-surface); border-radius:7px; border:1px solid rgba(0,0,0,.07); }
.theme-card strong { display:block; margin-bottom:3px; }
.theme-card small { color:var(--muted); }
.danger-zone { margin-top:20px; border:1px solid #efc8c5; background:var(--danger-bg); border-radius:12px; padding:14px; }
.danger-zone strong { color:var(--danger); }
.action-group { display:flex; gap:7px; flex-wrap:wrap; }
.catalog-service-name { display:flex; align-items:center; gap:8px; }
.catalog-service-name .inactive { opacity:.55; }
.tariff-history { display:grid; gap:10px; }
.tariff-row { display:grid; grid-template-columns:1fr auto; gap:12px; align-items:center; border:1px solid var(--line); border-radius:11px; padding:12px; background:var(--surface-2); }
@media (max-width:760px){ .theme-grid{grid-template-columns:1fr;} }

:root[data-theme="minimal"] .account-button:hover { background:var(--nav-2); }