/* NexLink-inspired application system. Shared by every role and workflow. */
:root{
 --font:'Instrument Sans',sans-serif;--font-serif:var(--font);
 /* Charte OIC : surfaces claires, bleu et orange du logo. Seule source de vérité des couleurs. */
 --bg:#F4F6FA;--surface:#fff;--surface-2:#F6F8FB;--surface-sunken:#EDF0F5;
 --text:#122B46;--text-secondary:#52657C;--text-muted:#7A8AA0;
 --border:#E6EAF1;--border-strong:#D3DAE5;--border-hairline:#EEF1F6;
 --navy:#0B3D6F;--navy-2:#0E56A4;--navy-3:#3B7FC4;--navy-soft:#E7F0FA;--navy-ink:#BBD3EC;--navy-label:#6FA0CE;
 --accent:#F17D0C;--accent-hover:#D96C08;--accent-soft:#FDECD9;--accent-soft-border:#F8D3AA;--accent-ring:rgba(241,125,12,.3);
 --success:#0C8B41;--success-soft:#E3F5EA;--warning:#B45309;--warning-soft:#FEF3D9;
 --error:#E11D2E;--error-soft:#FCE4E6;--info:#0E56A4;--info-soft:#E7F0FA;
 --r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-control:8px;
 --sh-1:0 2px 10px rgba(11,61,111,.05);--sh-2:0 8px 28px rgba(11,61,111,.08);--sh-3:0 16px 48px rgba(11,61,111,.14);
 --side-w:296px;--top-h:78px;
 --sq-blue-bg:#E7F0FA;--sq-blue-fg:#0E56A4;--sq-green-bg:#E3F5EA;--sq-green-fg:#0C8B41;
 --sq-amber-bg:#FEF3D9;--sq-amber-fg:#B45309;--sq-navy-bg:#DCE8F6;--sq-navy-fg:#0B3D6F;
 --sq-rose-bg:#FCE4E6;--sq-rose-fg:#E11D2E;--sq-violet-bg:#FDECD9;--sq-violet-fg:#D96C08;--sq-teal-bg:#DDF3F1;--sq-teal-fg:#0D9488;
 --av1:#0E56A4;--av2:#F17D0C;--av3:#0C8B41;--av4:#B45309;--av5:#E11D2E;--av6:#3B7FC4;
}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0F1A28;--surface:#16243A;--surface-2:#1B2B44;--surface-sunken:#22334F;--text:#EAF0F8;--text-secondary:#B5C3D6;--text-muted:#8FA1B8;--border:#2A3B55;--border-strong:#3C4F6C;--border-hairline:#22334F;--accent:#F7953A;--accent-hover:#FFAD5C;--accent-soft:#3A2A1A;--accent-soft-border:#5A3F22;--navy:#2E6FB5;--navy-2:#5B95D6;--navy-soft:#1E3550;--navy-ink:#6FA0CE;--success:#4FC883;--success-soft:#173B2A;--warning:#F5B04A;--warning-soft:#3F3119;--error:#FF7A87;--error-soft:#4A2630;--sq-blue-bg:#1E3550;--sq-blue-fg:#8FC0F0;--sq-green-bg:#173B2A;--sq-green-fg:#4FC883;--sq-amber-bg:#3F3119;--sq-amber-fg:#F5B04A;--sq-navy-bg:#1E3550;--sq-navy-fg:#8FC0F0;--sq-rose-bg:#4A2630;--sq-rose-fg:#FF7A87;--sq-violet-bg:#3A2A1A;--sq-violet-fg:#F7953A;--sq-teal-bg:#173B3A;--sq-teal-fg:#5CD1C3}
body{font-size:14px}h1{font-size:27px;letter-spacing:-.65px}h3{font-size:16px}.overline{letter-spacing:1.1px;font-size:10px}
.app-shell{grid-template-columns:var(--side-w) minmax(0,1fr)}
.sidebar{background:var(--surface);color:var(--text-secondary);padding:26px 18px 18px 90px;border-right:1px solid var(--border);overflow-x:hidden}
.sidebar-brand{padding:0 0 28px;margin-bottom:16px;border-color:var(--border)}
.sidebar-brand img{display:none}.sidebar-brand-text strong{font-size:22px;color:var(--text);letter-spacing:-.7px}.sidebar-brand-text span{color:var(--text-muted);font-size:10px;margin-top:5px}
.sidebar-nav{gap:24px}.sidebar-section-label{color:var(--text-muted);font-size:10px;letter-spacing:1px;padding:0 10px 9px}
.nav-link{border:0;border-radius:7px;font-size:13px;text-transform:none;letter-spacing:0;font-weight:500;padding:11px 9px;color:var(--text-secondary);gap:10px}.nav-link svg{width:19px;height:19px}.nav-link:hover{background:var(--surface-2);color:var(--accent)}.nav-link.active{color:var(--accent);background:var(--accent-soft)}.nav-link.active svg{color:var(--accent)}
.sidebar-footer{border-color:var(--border);gap:8px}.sidebar-user strong{color:var(--text);font-size:12px}.sidebar-user span{color:var(--text-muted);font-size:9px;letter-spacing:0}.avatar-round{border-radius:50%;background:var(--accent-soft);color:var(--accent);width:36px;height:36px}.icon-btn-ghost{color:var(--text-secondary)}.icon-btn-ghost:hover{color:var(--accent);background:var(--accent-soft)}
#btn-reset-demo{color:var(--text-muted)!important;font-size:10px;padding:10px 0;white-space:normal}
.app-rail{position:absolute;left:0;top:0;bottom:0;width:70px;border-right:1px solid var(--border);display:flex;align-items:center;flex-direction:column;gap:20px;padding:21px 0;background:var(--surface)}
.rail-logo{width:41px;height:41px;background:linear-gradient(135deg,var(--navy-3),var(--navy-2));display:grid;place-items:center;color:white;border-radius:13px;box-shadow:0 5px 12px rgba(11,61,111,.2);margin-bottom:16px}.rail-link{width:42px;height:42px;display:grid;place-items:center;color:var(--text-secondary);border-radius:9px}.rail-link:hover,.rail-link.active{background:var(--accent-soft);color:var(--accent)}.rail-bottom{margin-top:auto}
.sidebar-note{background:linear-gradient(125deg,var(--surface-2),var(--accent-soft));padding:15px;border:1px solid var(--border);border-radius:10px;margin-top:28px}.sidebar-note strong{display:block;font-size:13px;color:var(--text);margin:8px 0}.sidebar-note p{font-size:11px;line-height:1.7;color:var(--text-secondary)}
.topbar{background:var(--surface);padding:0 28px;gap:16px}.breadcrumb{font-size:12px;letter-spacing:0;text-transform:none;white-space:nowrap}.topbar-right{gap:16px}.role-chip{letter-spacing:0;text-transform:none;font-size:11px;border:0;background:var(--surface-2);padding:7px 10px}.topbar-profile{display:flex;align-items:center;gap:10px}.topbar-profile strong{font-size:12px;display:block}.topbar-profile small{font-size:10px;color:var(--text-muted)}
.header-search{display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--border);border-radius:7px;padding:10px 12px;position:relative;max-width:280px;flex:1;color:var(--text-muted)}.header-search input{border:0;background:none;outline:none;color:var(--text);width:100%;font:inherit;font-size:12px}.header-search kbd{border:1px solid var(--border);border-radius:4px;padding:0 4px;font:10px var(--font)}
.search-results{position:absolute;left:0;top:calc(100% + 10px);width:390px;max-width:85vw;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--sh-3);padding:8px;z-index:60}.search-results:empty{display:none}.search-results a{display:block;padding:12px;border-radius:6px;color:var(--text);font-size:12px}.search-results a:hover{background:var(--accent-soft);text-decoration:none}.search-results small{display:block;color:var(--text-muted);margin-top:4px}.search-results p{padding:12px;font-size:12px}
.main-content{padding:28px;max-width:1700px}.page-header{align-items:center}.page-header .subtitle{font-size:13px;max-width:700px;margin-top:5px}.page-header-rule{background:none;margin:0;height:26px}.btn{letter-spacing:0}.btn-primary{box-shadow:0 4px 10px rgba(11,61,111,.18)}.btn-primary:hover{color:white}.btn-secondary{background:var(--surface);border-color:var(--border)}
.card,.chart-card,.range-progress-card,.map-card{box-shadow:var(--sh-1);padding:22px}.card-header{border:0;padding-bottom:0;margin-bottom:20px}.card-header h3{font-size:16px}.card-header a{font-size:12px}.badge{font-weight:500;font-size:11px;letter-spacing:0;text-transform:none;border-radius:5px}.kpi-grid{background:none;border:0;overflow:visible;gap:18px;grid-template-columns:repeat(auto-fit,minmax(145px,1fr))}.kpi-card{background:var(--surface);border:1px solid var(--border)!important;border-radius:11px;padding:19px;box-shadow:var(--sh-1);min-height:130px}.kpi-label{font-size:12px;color:var(--text-secondary);letter-spacing:0;text-transform:none;font-weight:500;gap:5px}.kpi-value{font-size:32px;color:var(--text)!important;letter-spacing:-1px;margin-top:16px}.kpi-icon{width:29px;height:29px;border-radius:9px}.kpi-icon svg{width:16px;height:16px}
.data-table th{background:var(--surface-2);text-transform:none;letter-spacing:0;font-size:12px;color:var(--text-secondary)}.data-table td{font-size:12px;padding-top:16px;padding-bottom:16px}.data-table tr:hover td{background:var(--surface-2)}.activity-icon{background:var(--surface-2);padding:9px;border-radius:50%;align-items:center}.activity-text{font-size:12px;font-weight:500}.activity-time{font-size:11px;margin-top:4px}.activity-item{align-items:center;padding:14px 0}.range-code{font-size:22px}.app-footer{font-size:10px;background:var(--surface);padding:16px 28px}.auth-brand-panel{background:radial-gradient(ellipse at top left,var(--navy-3),transparent 65%),var(--navy)}.auth-brand-panel h1{line-height:1.2}.auth-card{background:var(--surface);padding:32px;border-radius:18px;border:1px solid var(--border);max-width:470px}.auth-stats .stat-label{color:#c0d9ef}.auth-form-panel{padding:40px}.demo-account-btn{border-color:var(--border)}
/* Operational intelligence */
.ops-section{margin:24px 0}.ops-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.ops-heading h2{font-size:17px}.ops-heading p{font-size:11px;color:var(--text-muted);margin-top:4px}.ops-tools{display:flex;gap:8px;align-items:center}.ops-tools select{font:12px var(--font);padding:9px 12px;border-radius:7px;color:var(--text);border:1px solid var(--border);background:var(--surface)}
.ops-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:22px}.ops-grid>.card{min-width:0}.ops-grid .card h3{font-size:15px}.ops-metric{display:flex;align-items:baseline;gap:10px;margin:8px 0 22px}.ops-metric strong{font-size:32px;letter-spacing:-1px}.ops-metric span{font-size:12px;color:var(--text-muted)}
.volume-chart{height:170px;display:flex;align-items:end;gap:10px;padding-top:10px;background:repeating-linear-gradient(to top,transparent 0,transparent 39px,var(--border-hairline) 40px);border-bottom:1px solid var(--border)}.volume-col{height:100%;flex:1;display:flex;align-items:center;justify-content:end;flex-direction:column;gap:4px;min-width:0}.volume-col .bar{width:65%;max-width:35px;min-height:3px;border-radius:5px 5px 0 0;background:linear-gradient(0deg,var(--navy-2),var(--navy-3))}.volume-col b{font-size:10px;color:var(--text-secondary);font-weight:500}.volume-labels{display:flex;gap:10px;margin-top:9px}.volume-labels span{flex:1;text-align:center;font-size:10px;color:var(--text-muted)}
.ops-footnote{font-size:10px;color:var(--text-muted);margin-top:16px}.flow-summary{display:flex;gap:22px;align-items:center;margin:20px 0}.flow-donut{width:112px;height:112px;flex:none;border-radius:50%;display:grid;place-items:center}.flow-donut>div{width:87px;height:87px;border-radius:50%;background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center}.flow-donut strong{font-size:24px}.flow-donut small{font-size:10px;color:var(--text-muted)}.flow-legend{flex:1}.flow-legend>div{display:flex;align-items:center;gap:7px;font-size:11px;margin:11px 0}.flow-legend b{margin-left:auto}.legend-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}.tone-success{background:var(--success)}.tone-error{background:var(--error)}.tone-neutral{background:var(--navy-ink)}
.priority-link{display:flex;gap:12px;align-items:center;color:var(--text);padding:13px 0;border-bottom:1px solid var(--border-hairline)}.priority-link:last-child{border-bottom:0}.priority-link:hover{color:var(--accent);text-decoration:none}.priority-icon{padding:10px;display:flex;background:var(--warning-soft);color:var(--warning);border-radius:9px}.priority-link strong{display:block;font-size:12px;font-weight:600}.priority-link small{display:block;font-size:11px;color:var(--text-muted);margin-top:4px}.priority-link>svg{margin-left:auto;flex:none}.priority-empty{padding:25px 0;color:var(--text-muted);font-size:12px}.corridor{margin:17px 0}.corridor-label{display:flex;justify-content:space-between;gap:10px;font-size:12px;margin-bottom:8px}.corridor-label span{color:var(--text-secondary)}.corridor-track{height:7px;background:var(--surface-sunken);border-radius:5px;overflow:hidden}.corridor-fill{height:100%;background:var(--accent);border-radius:5px}.corridor:nth-child(2) .corridor-fill{opacity:.8}.corridor:nth-child(3) .corridor-fill{opacity:.6}.corridor:nth-child(4) .corridor-fill{opacity:.4}.ops-summary-line{border-top:1px solid var(--border);padding-top:15px;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--text-secondary)}.ops-summary-line strong{color:var(--text)}
@media(min-width:961px){.app-shell.nav-collapsed{--side-w:70px}.nav-collapsed .sidebar{padding-left:70px;padding-right:0}.nav-collapsed .sidebar>*:not(.app-rail){display:none}#btn-menu{display:flex!important}}
@media(max-width:1200px){.topbar-profile>div,.topbar .role-chip{display:none}.header-search{max-width:220px}.ops-grid{grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr)}}
@media(max-width:960px){.app-shell{grid-template-columns:minmax(0,1fr)}.topbar{padding:0 18px}.ops-grid{grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr)}#btn-menu{display:flex!important}}
@media(max-width:700px){.main-content{padding:20px 16px}.topbar{gap:10px;height:68px}.topbar .breadcrumb,.topbar-profile,.header-search kbd{display:none}.header-search{max-width:none}.topbar-right{gap:3px}.ops-grid{grid-template-columns:minmax(0,1fr)}.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.kpi-card{padding:14px;min-height:116px}.kpi-label{font-size:11px}.kpi-value{font-size:29px}.ops-heading{align-items:flex-start;flex-direction:column}.ops-tools{width:100%}.ops-tools select{flex:1}.page-header{gap:15px}.page-header .btn{align-self:flex-start}h1{font-size:24px}.auth-form-panel{padding:16px}.auth-card{padding:23px}.app-footer{gap:7px}.flow-summary{justify-content:center}.volume-chart{height:150px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(min-width:701px) and (max-width:1450px){.kpi-grid:has(>.kpi-card:nth-child(6)){grid-template-columns:repeat(3,minmax(0,1fr))}}
:root[data-theme="dark"] .btn-primary{color:#102E4A}
:root[data-theme="dark"] .sidebar-note{background:linear-gradient(120deg,var(--surface-2),var(--navy-soft))}

.kpi-card .badge{white-space:normal;line-height:1.4}
.input,.select,.textarea,.stepper-num input{background:var(--surface);color:var(--text)}
.search-results[hidden]{display:none}

/* Official OIC artwork: original file, proportional display, white brand surface. */
.rail-logo{background:#fff;box-shadow:0 2px 8px #25283912;overflow:hidden;border:1px solid var(--border);border-radius:8px;width:48px;height:48px}
.rail-logo img{display:block;width:100%;height:100%;object-fit:contain}
.sidebar-brand{flex-direction:column;align-items:flex-start;gap:10px;padding-bottom:20px}
.sidebar-brand img{display:block;width:174px;height:110px;object-fit:cover;max-width:100%;border-radius:8px;background:#fff}
.sidebar-brand-text strong{font-size:16px;letter-spacing:0}
.sidebar-brand-text span{display:none}
.auth-brand{flex-direction:column;align-items:flex-start;gap:16px}
.auth-brand img{width:170px;height:110px;object-fit:cover;border:0;border-radius:8px;background:#fff}
.control-brand-logo{width:60px;height:42px;object-fit:cover;border-radius:6px;background:#fff}