:root{--arena-primary:#5b5cf0;--arena-primary-2:#7c3aed;--arena-ink:#0b1020;--arena-muted:#667085;--arena-bg:#f5f7fb;--arena-card:#fff;--arena-border:#e8ebf2;--arena-success:#12b76a;--arena-warning:#f79009;--arena-danger:#f04438;--sidebar:#0b1020;--input-bg:#fff;--table-hover:#fafbff;--shadow:0 8px 30px rgba(16,24,40,.045)}
*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--arena-bg);color:var(--arena-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}.app-shell{display:flex;min-height:100vh;width:100%}.sidebar{width:250px;min-width:250px;min-height:100vh;background:linear-gradient(180deg,#0b1020 0%,#121936 100%);position:fixed;inset:0 auto 0 0;z-index:30;overflow-y:auto}.sidebar-inner{padding:16px}.brand{display:flex;align-items:center;gap:12px;padding:8px 8px 28px}.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#5b5cf0,#9b5cf6);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 22px rgba(91,92,240,.3)}.brand-name{color:#fff;font-size:15px;font-weight:800;line-height:1.05}.brand-sub{color:#98a2b3;font-size:11px;margin-top:3px}.nav-label{color:#667085;font-size:10px;text-transform:uppercase;letter-spacing:.12em;padding:16px 10px 7px}.sidebar a{display:flex;align-items:center;gap:10px;color:#b8c0d4;text-decoration:none;padding:10px 12px;border-radius:10px;margin:3px 0;font-size:13px;font-weight:600}.sidebar a:hover,.sidebar a.active{background:rgba(255,255,255,.08);color:#fff}.nav-icon{width:18px;text-align:center;opacity:.9}.main-area{min-width:0;flex:1 1 auto;width:auto;margin-left:250px}.topbar{height:72px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--arena-border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}.content{padding:28px;max-width:none;width:100%;margin:0}.page-title{font-size:28px;font-weight:800;letter-spacing:-.035em}.page-subtitle{color:var(--arena-muted);font-size:14px}.card{background:var(--arena-card);border:1px solid var(--arena-border);box-shadow:var(--shadow);border-radius:18px}.stat-card{padding:20px;position:relative;overflow:hidden}.stat-icon{width:42px;height:42px;border-radius:12px;background:#eef0ff;color:var(--arena-primary);display:grid;place-items:center;font-weight:800}.stat-label{color:var(--arena-muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:28px;font-weight:800;letter-spacing:-.04em;margin-top:5px}.table-card{overflow:hidden}.table{margin-bottom:0}.table thead th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#667085;border-bottom:1px solid var(--arena-border);padding:14px 16px;white-space:nowrap}.table tbody td{padding:15px 16px;border-color:#f0f2f6}.table tbody tr:hover{background:var(--table-hover)}.domain-chip{display:inline-flex;align-items:center;gap:8px;background:#f1f2ff;color:#4338ca;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--arena-success)}.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}.btn-primary{background:linear-gradient(135deg,var(--arena-primary),var(--arena-primary-2));border:0;box-shadow:0 6px 16px rgba(91,92,240,.18)}.form-control,.form-select{border-color:#dfe3ec;border-radius:10px;padding:.65rem .8rem;background:var(--input-bg);color:var(--arena-ink)}.form-control:focus,.form-select:focus{border-color:#8b8df7;box-shadow:0 0 0 .2rem rgba(91,92,240,.12)}.badge-soft{background:#eef0ff;color:#4338ca}.user-menu{display:flex;align-items:center;gap:10px;color:inherit}.user-menu:hover{color:inherit}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#eef0ff;color:#4338ca;font-weight:800}.mobile-menu{display:none}.empty-state{text-align:center;padding:48px 20px;color:var(--arena-muted)}.empty-icon{font-size:36px;margin-bottom:8px}.metric-progress{height:8px;border-radius:99px;background:#eef0f4;overflow:hidden}.metric-progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--arena-primary),var(--arena-primary-2));border-radius:inherit}.quick-action{height:100%;padding:18px;text-decoration:none;color:inherit;display:block}.quick-action:hover{color:inherit;transform:translateY(-1px)}.mobile-nav{display:none}.top-actions{display:flex;align-items:center;gap:10px}.lang-form{display:flex;align-items:center;gap:4px;background:var(--arena-card);border:1px solid var(--arena-border);border-radius:10px;padding:3px 7px}.globe-icon{font-size:14px;color:var(--arena-muted);line-height:1}.lang-select{border:0;background:transparent;color:var(--arena-ink);font-size:12px;font-weight:800;outline:0}.theme-toggle{width:36px;height:36px;border:1px solid var(--arena-border);background:var(--arena-card);color:var(--arena-ink);border-radius:10px}.access-card{max-width:680px;margin:8vh auto;padding:48px;text-align:center}.access-icon{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;margin:0 auto 20px;background:#fff1f0;color:var(--arena-danger);font-size:30px;font-weight:900}.access-card h1{font-size:28px;font-weight:800}.access-card p{color:var(--arena-muted);margin-bottom:24px}.profile-avatar{width:56px;height:56px;font-size:20px;background:linear-gradient(135deg,#5b5cf0,#7c3aed);color:#fff}.input-group-text{border-color:#dfe3ec;background:var(--arena-card);color:var(--arena-muted)}.json-panel{background:#0b1220;color:#dbeafe;border-radius:12px;padding:16px;overflow:auto;max-height:420px}.client-context{border:1px solid #f4d35e;background:#fff9db;color:#6b5a00}.mobile-nav{background:#0b1020;color:#fff}
/* Robust dark theme: the class is applied to <html>. */
html.dark-mode{color-scheme:dark;--arena-bg:#080d18;--arena-card:#111827;--arena-ink:#f8fafc;--arena-muted:#aab4c3;--arena-border:#263044;--input-bg:#0b1220;--table-hover:#151e2f;--shadow:0 10px 28px rgba(0,0,0,.22)}html.dark-mode body{background:var(--arena-bg)!important;color:var(--arena-ink)!important}html.dark-mode .topbar{background:rgba(8,13,24,.94);border-color:var(--arena-border)}html.dark-mode .card,html.dark-mode .modal-content,html.dark-mode .dropdown-menu{background:var(--arena-card)!important;color:var(--arena-ink)!important;border-color:var(--arena-border)!important}html.dark-mode h1,html.dark-mode h2,html.dark-mode h3,html.dark-mode h4,html.dark-mode h5,html.dark-mode h6,html.dark-mode .fw-bold,html.dark-mode .fw-semibold,html.dark-mode label,html.dark-mode dt{color:#f8fafc!important}html.dark-mode .text-dark,html.dark-mode .text-body,html.dark-mode .text-black{color:#f8fafc!important}html.dark-mode .text-muted,html.dark-mode .form-text,html.dark-mode .small.text-muted,html.dark-mode .page-subtitle{color:#aab4c3!important}html.dark-mode .bg-white,html.dark-mode .bg-light{background:var(--arena-card)!important;color:var(--arena-ink)!important}html.dark-mode .table,html.dark-mode .table td,html.dark-mode .table th{color:#edf2f7!important;background:transparent!important;border-color:var(--arena-border)!important}html.dark-mode .table thead th{color:#aab4c3!important}html.dark-mode .table tbody tr:hover{background:var(--table-hover)!important}html.dark-mode .form-control,html.dark-mode .form-select,html.dark-mode .input-group-text,html.dark-mode textarea{background:var(--input-bg)!important;color:#f8fafc!important;border-color:#334155!important}html.dark-mode .form-control::placeholder{color:#748096!important}html.dark-mode .form-control:focus,html.dark-mode .form-select:focus{background:var(--input-bg)!important;color:#fff!important;border-color:#7c83ff!important}html.dark-mode .btn-light,html.dark-mode .lang-form,html.dark-mode .theme-toggle{background:#172033!important;color:#f8fafc!important;border-color:#334155!important}html.dark-mode .btn-outline-secondary{color:#f8fafc!important;border-color:#64748b!important}html.dark-mode .btn-outline-dark{color:#f8fafc!important;border-color:#64748b!important}html.dark-mode .btn-close{filter:invert(1)}html.dark-mode .border,html.dark-mode .border-bottom,html.dark-mode hr{border-color:var(--arena-border)!important}html.dark-mode .domain-chip{background:#22275b;color:#c7d2fe}html.dark-mode .badge.bg-light{background:#1e293b!important;color:#e2e8f0!important;border-color:#334155!important}html.dark-mode .client-context{background:#332b05!important;color:#f8e7a2!important;border-color:#66560c!important}html.dark-mode .client-context .text-muted{color:#d8c97d!important}
@media(max-width:991.98px){.sidebar{display:none}.main-area{width:100%;margin-left:0}.mobile-menu{display:inline-flex}.content{padding:20px 16px}.topbar{padding:0 16px}.page-title{font-size:23px}.mobile-nav{display:block}.offcanvas a{color:#cbd5e1;text-decoration:none;display:block;padding:11px 12px;border-radius:10px}.offcanvas a:hover{background:rgba(255,255,255,.08);color:#fff}.offcanvas .brand{padding-top:6px}.user-meta{display:none}}
@media(max-width:575.98px){.content{padding:16px 12px}.topbar{height:64px}.stat-value{font-size:24px}.toolbar{align-items:stretch}.toolbar>*{width:100%}.table-responsive{border-radius:14px}.btn{border-radius:10px}.top-actions{gap:5px}.lang-form{padding:3px 5px}.access-card{margin:5vh 0;padding:34px 22px}.access-card h1{font-size:23px}}

/* v15 layout and Bootstrap dark-mode corrections */
html.dark-mode{
 --bs-body-bg:var(--arena-bg);--bs-body-color:var(--arena-ink);--bs-emphasis-color:#f8fafc;
 --bs-secondary-color:#aab4c3;--bs-tertiary-bg:var(--arena-card);--bs-border-color:var(--arena-border);
 --bs-heading-color:#f8fafc;--bs-link-color:#a5b4fc;--bs-link-hover-color:#c4b5fd;
}
html.dark-mode .table>:not(caption)>*>*{background-color:transparent;color:#edf2f7;border-color:var(--arena-border)}
html.dark-mode .table-striped>tbody>tr:nth-of-type(odd)>*{background-color:rgba(255,255,255,.025)}
html.dark-mode .alert{--bs-alert-color:#f8fafc;--bs-alert-bg:#172033;--bs-alert-border-color:#334155}
html.dark-mode .form-control:disabled,html.dark-mode .form-control[readonly]{background:#172033!important;color:#94a3b8!important}
html.dark-mode .form-select option{background:#111827;color:#f8fafc}
html.dark-mode .btn-outline-primary{color:#a5b4fc;border-color:#7c83ff}
html.dark-mode .btn-outline-danger{color:#fda4af;border-color:#f87171}
html.dark-mode .btn-primary{color:#fff}
html.dark-mode .text-bg-success{background:#065f46!important;color:#d1fae5!important}
html.dark-mode .text-bg-danger{background:#7f1d1d!important;color:#fee2e2!important}
html.dark-mode .text-bg-secondary{background:#334155!important;color:#e2e8f0!important}
html.dark-mode .offcanvas{background:#0b1020;color:#f8fafc}
@media(max-width:991.98px){.main-area{width:100%;margin-left:0;flex:1 1 auto}}

/* v15 page composition */
.content{max-width:1600px;margin:0 auto}
.profile-avatar{flex:0 0 auto}
@media(min-width:1400px){.content{padding-left:32px;padding-right:32px}}
@media(max-width:1199.98px){.content{padding:24px}.topbar{padding:0 24px}}
@media(max-width:767.98px){.content{padding:18px 14px}.topbar{padding:0 14px}.page-title{font-size:24px}.stat-card{padding:16px}.profile-avatar{width:48px;height:48px}.table-card .p-4{padding:18px!important}}

/* v16: deterministic desktop shell. The sidebar participates in the grid,
   so desktop layout cannot collapse into a narrow 80-100px column. */
.app-shell{display:grid!important;grid-template-columns:260px minmax(0,1fr);align-items:stretch;min-height:100vh;width:100%;}
.sidebar{position:sticky!important;top:0!important;left:auto!important;inset:auto!important;width:260px!important;min-width:260px!important;height:100vh;min-height:100vh;overflow-y:auto;}
.main-area{grid-column:2;min-width:0!important;width:auto!important;max-width:none!important;margin-left:0!important;flex:none!important;}
.content{width:100%!important;max-width:1600px;margin:0 auto!important;padding:30px 32px 32px!important;}
.topbar{width:100%;}
.app-footer{display:flex;justify-content:space-between;gap:20px;padding:18px 32px 24px;color:var(--arena-muted);font-size:12px;border-top:1px solid var(--arena-border);background:var(--arena-bg);}
html.dark-mode .app-footer{background:var(--arena-bg);color:var(--arena-muted);border-color:var(--arena-border);}
@media(max-width:991.98px){
 .app-shell{display:block!important;min-height:100vh;}
 .sidebar{display:none!important;}
 .main-area{display:block;width:100%!important;margin:0!important;}
 .content{max-width:none;padding:20px 16px!important;}
 .app-footer{padding:16px;}
}
@media(min-width:992px) and (max-width:1200px){.content{padding-left:24px!important;padding-right:24px!important}.topbar{padding-left:24px;padding-right:24px;}}

/* v17 desktop shell fix */
html,body{min-height:100%;height:100%;}
body{min-height:100vh;}
.app-shell{min-height:100vh;min-height:100dvh;display:flex;align-items:stretch;}
.sidebar{position:fixed!important;left:0!important;top:0!important;bottom:0!important;height:100vh!important;height:100dvh!important;min-height:100vh!important;max-height:none!important;width:260px!important;min-width:260px!important;overflow-y:auto!important;}
.main-area{margin-left:260px!important;min-height:100vh;min-height:100dvh;width:calc(100% - 260px)!important;max-width:none!important;}
.content{width:100%;max-width:none;}
.app-footer{display:flex;justify-content:space-between;gap:20px;padding:16px 28px 24px;color:var(--arena-muted);font-size:12px;border-top:1px solid var(--arena-border);}
@media(max-width:991.98px){.sidebar{display:none!important}.main-area{margin-left:0!important;width:100%!important}.app-footer{padding:14px 16px 20px;}}

/* v18: desktop shell uses a real grid; sidebar is in document flow so content cannot be offset twice. */
@media(min-width:992px){
  html,body{min-height:100%;height:auto;}
  .app-shell{display:grid!important;grid-template-columns:260px minmax(0,1fr)!important;align-items:stretch!important;min-height:100vh!important;width:100%!important;}
  .sidebar{position:sticky!important;top:0!important;left:auto!important;right:auto!important;bottom:auto!important;width:260px!important;min-width:260px!important;height:100vh!important;min-height:100vh!important;max-height:100vh!important;overflow-y:auto!important;align-self:start!important;}
  .main-area{grid-column:2!important;grid-row:1!important;margin:0!important;width:auto!important;min-width:0!important;max-width:none!important;display:flex!important;flex-direction:column!important;min-height:100vh!important;}
  .content{max-width:none!important;width:100%!important;margin:0!important;flex:0 0 auto!important;padding:30px 32px 24px!important;}
  .app-footer{margin-top:auto!important;}
}
@media(max-width:991.98px){.app-shell{display:block!important}.main-area{display:block!important}.content{max-width:none!important;width:100%!important}}
/* v19: final desktop shell normalization. One sidebar, one content column, no inherited offset. */
@media (min-width: 992px){
  body .app-shell{display:grid!important;grid-template-columns:260px minmax(0,1fr)!important;width:100%!important;min-width:0!important;margin:0!important;padding:0!important;}
  body .app-shell > .sidebar{grid-column:1!important;grid-row:1!important;width:260px!important;min-width:260px!important;margin:0!important;position:sticky!important;left:auto!important;right:auto!important;}
  body .app-shell > .main-area{grid-column:2!important;grid-row:1!important;width:auto!important;min-width:0!important;max-width:none!important;margin:0!important;padding:0!important;position:relative!important;left:auto!important;right:auto!important;}
  body .app-shell > .main-area > .topbar{width:100%!important;margin:0!important;}
  body .app-shell > .main-area > main.content{width:100%!important;max-width:none!important;margin:0!important;padding:30px 32px 24px!important;box-sizing:border-box!important;}
  body .app-footer{width:100%!important;box-sizing:border-box!important;}
}
@media(max-width:991.98px){body .app-shell{display:block!important}body .app-shell > .main-area{width:100%!important;margin:0!important}}

/* v20 branding and desktop shell hardening */
.brand-logo{display:block;width:170px;height:auto;max-height:48px;object-fit:contain;object-position:left center}.sidebar .brand-logo{width:170px}.main-area{min-width:0;max-width:calc(100% - 250px)}@media(max-width:991.98px){.main-area{max-width:100%}}

/* v20 definitive desktop layout + responsive fixes */
@media (min-width: 992px) {
  html, body { min-height: 100%; }
  body { overflow-x: hidden; }
  .app-shell { display:grid !important; grid-template-columns:260px minmax(0,1fr) !important; width:100% !important; min-height:100vh !important; min-height:100dvh !important; margin:0 !important; padding:0 !important; align-items:stretch !important; }
  .sidebar { position:fixed !important; inset:0 auto 0 0 !important; width:260px !important; min-width:260px !important; height:100vh !important; height:100dvh !important; min-height:100vh !important; max-height:none !important; overflow-y:auto !important; z-index:1000 !important; }
  .main-area { grid-column:2 !important; width:auto !important; min-width:0 !important; max-width:none !important; margin:0 !important; padding:0 !important; min-height:100vh !important; min-height:100dvh !important; display:flex !important; flex-direction:column !important; }
  .topbar { width:100% !important; margin:0 !important; flex:0 0 72px !important; }
  main.content { width:100% !important; max-width:none !important; margin:0 !important; padding:30px 32px 24px !important; flex:0 0 auto !important; }
  .app-footer { width:100% !important; margin-top:auto !important; padding:16px 32px 22px !important; }
  .user-edit-grid > .user-edit-main { min-width:0; }
}

.brand-logo { display:block; width:196px; height:50px; object-fit:contain; object-position:left center; }
.sidebar .brand { padding:8px 8px 26px; }
.sidebar .brand-logo { width:196px; height:50px; }

/* Do not allow old layout rules to constrain the desktop content. */
.main-area { max-width:none; }
.content { max-width:none; }

/* Better two-column admin forms at normal desktop widths. */
.user-edit-grid { display:grid; grid-template-columns:minmax(0, 1.05fr) minmax(360px, .95fr); gap:24px; align-items:start; }
.user-edit-main, .user-edit-side { min-width:0; }
@media (max-width:1199.98px) and (min-width:992px) {
  .user-edit-grid { grid-template-columns:minmax(0,1fr) minmax(320px,.9fr); gap:18px; }
  main.content { padding-left:24px !important; padding-right:24px !important; }
}
@media (max-width:991.98px) {
  .app-shell { display:block !important; min-height:100vh !important; }
  .sidebar { display:none !important; }
  .main-area { width:100% !important; max-width:100% !important; margin:0 !important; display:block !important; min-height:100vh !important; }
  .user-edit-grid { grid-template-columns:1fr; }
  main.content { width:100% !important; max-width:none !important; padding:20px 16px !important; }
}

/* Package administration is intentionally table-based for equal row heights. */
.package-table td, .package-table th { vertical-align:middle; }
.package-name { font-weight:750; }
.package-limits { display:flex; flex-wrap:wrap; gap:6px; }
.package-limit { display:inline-flex; gap:5px; align-items:center; padding:5px 8px; border:1px solid var(--arena-border); border-radius:8px; font-size:12px; white-space:nowrap; }

/* Package/service internals are never shown to end users. */
.user-resource-note { color:var(--arena-muted); font-size:13px; }

/* Compact optional-field notes. */
.optional-note { color:var(--arena-muted); font-size:12px; margin-top:-8px; margin-bottom:14px; }

/* Ensure the sidebar reaches the viewport even on short pages. */
@media (min-width:992px) {
  .sidebar::after { content:""; display:block; height:1px; }
}


/* v21 responsive forwarding/mailbox improvements */
.forwarder-actions{display:flex;gap:6px;flex-wrap:wrap}.forwarder-destinations{display:flex;flex-wrap:wrap;gap:6px}.forwarders-table th,.forwarders-table td{vertical-align:top}.mailbox-pagination .form-select{min-width:72px}.mobile-nav .nav-icon{margin-right:6px;flex:0 0 18px}.mobile-nav a{gap:0!important}
@media(max-width:991.98px){
  .forwarders-table-wrap{overflow-x:hidden!important}
  .forwarders-table{table-layout:fixed;width:100%}
  .forwarders-table th:first-child,.forwarders-table td:first-child{width:45%}
  .forwarders-table th:last-child,.forwarders-table td:last-child{width:55%}
  .forwarders-table td,.forwarders-table th{word-break:break-word;white-space:normal}
}
@media(max-width:575.98px){
  .forwarder-actions .btn{font-size:12px;padding:.4rem .6rem}
  .mailbox-pagination{align-items:flex-start!important}
  .mailbox-pagination>div:last-child{width:100%;justify-content:flex-start}
}

/* v21.2: language selector visibility in dark mode */
html.dark-mode .lang-select {
  color: #f8fafc !important;
  background-color: #172033 !important;
  color-scheme: dark;
}
html.dark-mode .lang-select option {
  color: #f8fafc !important;
  background-color: #172033 !important;
}
html.dark-mode .lang-select option:checked {
  color: #ffffff !important;
  background-color: #2a3560 !important;
}
html.dark-mode .lang-select:focus {
  color: #ffffff !important;
  background-color: #172033 !important;
  outline: none;
}


/* v21.4: mailbox usage percentage, forwarding destination editor and package sections */
.forwarder-destinations-input{min-height:130px;max-height:300px;resize:vertical;overflow-y:hidden;}
.package-section + .package-section{margin-top:8px;}
.package-section h5{margin-bottom:0;}
@media(max-width:767.98px){.forwarder-destinations-input{min-height:130px;max-height:300px;}}

/* Reseller workspace: intentionally single-column for clarity and mobile responsiveness. */
.reseller-workspace { display:flex; flex-direction:column; gap:1.5rem; }
.reseller-workspace .table-responsive { overflow-x:auto; -webkit-overflow-scrolling:touch; }

/* v22.1.9: compact reseller client workspace */
.reseller-accordion .accordion-item{border:0;margin-bottom:1rem;border-radius:1rem;overflow:hidden;box-shadow:var(--card-shadow,0 8px 28px rgba(0,0,0,.06));}
.reseller-accordion .accordion-button{font-weight:700;padding:1rem 1.15rem;background:var(--card-bg,#fff);color:var(--text,#111827);}
.reseller-accordion .accordion-button:not(.collapsed){box-shadow:none;background:var(--card-bg,#fff);color:var(--text,#111827);}
.reseller-accordion .accordion-body{padding:1.15rem;}
@media (max-width:767.98px){.reseller-accordion .accordion-body{padding:.9rem}.reseller-accordion .table-responsive{overflow-x:auto}}
.docs-nav{display:flex;flex-direction:column;gap:.25rem}.docs-nav a{padding:.45rem .6rem;border-radius:.55rem;text-decoration:none;color:inherit}.docs-nav a:hover{background:rgba(13,110,253,.08)}.documentation h2{font-size:1.25rem;margin-bottom:.8rem}.documentation p{line-height:1.7}.brand-logo{max-width:180px;max-height:42px;object-fit:contain}.reseller-accordion .accordion-button{font-weight:700}