/* ==========================================================================
   Layout : coque applicative (sidebar, topbar, contenu), auth, pages publiques
   ========================================================================== */

.shell { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; transition: grid-template-columns var(--dur-3) var(--ease-emph); }
:root[data-sidebar="collapsed"] .shell { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
.shell-main { display: flex; flex-direction: column; min-width: 0; }

/* ------------------------------ Sidebar ------------------------------ */
.sidebar {
  position: sticky; top: 0; height: 100vh; z-index: var(--z-sidebar);
  display: flex; flex-direction: column; background: var(--bg-sidebar); border-right: 1px solid var(--border);
  overflow: hidden;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; height: var(--topbar-h); padding: 0 16px; flex-shrink: 0; text-decoration: none !important; color: var(--text); }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; flex-shrink: 0; color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2)); box-shadow: var(--shadow-accent), inset 0 1px 0 rgba(255, 255, 255, .25); }
.brand-mark svg { width: 18px; height: 18px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; transition: opacity var(--dur-2); }
.brand-name { font-weight: var(--fw-bold); font-size: var(--fs-md); letter-spacing: -0.01em; white-space: nowrap; }
.brand-sub { font-size: var(--fs-2xs); color: var(--text-3); white-space: nowrap; text-transform: uppercase; letter-spacing: var(--tracking-wide); font-weight: var(--fw-semibold); }
.sidebar-org { margin: 4px 12px 8px; padding: 9px 10px; border-radius: var(--r-md); border: 1px solid var(--border); background: var(--surface); display: flex; align-items: center; gap: 10px; min-width: 0; }
.sidebar-org .ident-text { transition: opacity var(--dur-2); }
.sidebar-nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 6px 10px 16px; }
.nav-section { margin-top: 14px; }
.nav-section:first-child { margin-top: 4px; }
.nav-section-title { padding: 0 10px 6px; font-size: var(--fs-2xs); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-3); white-space: nowrap; transition: opacity var(--dur-2); }
.nav-link { position: relative; display: flex; align-items: center; gap: 11px; height: 36px; padding: 0 10px; margin: 1px 0; border-radius: var(--r-sm);
  color: var(--text-2); font-size: var(--fs-sm); font-weight: var(--fw-medium); text-decoration: none !important; white-space: nowrap;
  transition: background-color var(--dur-1), color var(--dur-1); }
.nav-link .icon { width: 18px; height: 18px; flex-shrink: 0; transition: transform var(--dur-2) var(--ease-spring); }
.nav-link:hover { background: var(--bg-hover); color: var(--text); }
.nav-link:hover .icon { transform: scale(1.08); }
.nav-link.is-active { background: var(--accent-soft); color: var(--accent-text); }
.nav-link.is-active::before { content: ""; position: absolute; left: -10px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent);
  animation: nav-indicator var(--dur-3) var(--ease-spring); }
@keyframes nav-indicator { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.nav-label { transition: opacity var(--dur-2); overflow: hidden; text-overflow: ellipsis; }
.nav-badge { margin-left: auto; }
.sidebar-foot { padding: 10px; border-top: 1px solid var(--border-subtle); display: flex; flex-direction: column; gap: 2px; }
.sidebar-collapse-btn .icon { transition: transform var(--dur-3) var(--ease-emph); }
:root[data-sidebar="collapsed"] .sidebar-collapse-btn .icon { transform: rotate(180deg); }

:root[data-sidebar="collapsed"] .sidebar .brand-text,
:root[data-sidebar="collapsed"] .sidebar .nav-label,
:root[data-sidebar="collapsed"] .sidebar .nav-badge,
:root[data-sidebar="collapsed"] .sidebar .sidebar-org .ident-text { opacity: 0; pointer-events: none; }
:root[data-sidebar="collapsed"] .sidebar .nav-section-title { opacity: 0; height: 8px; padding: 0; }
:root[data-sidebar="collapsed"] .sidebar-org { padding: 9px 7px; border-color: transparent; background: transparent; }
:root[data-sidebar="collapsed"] .nav-link { justify-content: flex-start; padding: 0 16px; }

/* ------------------------------ Topbar ------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: var(--z-topbar); height: var(--topbar-h); display: flex; align-items: center; gap: var(--sp-3); padding: 0 var(--sp-6);
  background: color-mix(in oklab, var(--bg) 82%, transparent); backdrop-filter: blur(12px) saturate(1.4); -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid transparent; transition: border-color var(--dur-2), box-shadow var(--dur-2);
}
.topbar.is-scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 0 var(--border-subtle); }
.topbar-left { display: flex; align-items: center; gap: var(--sp-2); min-width: 0; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 4px; }
.search-trigger { display: flex; align-items: center; gap: 10px; width: 300px; max-width: 32vw; height: 36px; padding: 0 8px 0 12px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text-3); font-size: var(--fs-sm); box-shadow: var(--shadow-xs); transition: border-color var(--dur-1), box-shadow var(--dur-2); }
.search-trigger:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.search-trigger .icon { width: 16px; height: 16px; }
.search-trigger kbd { margin-left: auto; }
.icon-btn { position: relative; width: 36px; height: 36px; display: grid; place-items: center; border-radius: var(--r-sm); color: var(--text-2); transition: background-color var(--dur-1), color var(--dur-1); }
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn[aria-expanded="true"] { background: var(--bg-active); color: var(--text); }
.icon-btn .count-bubble { position: absolute; top: 3px; right: 2px; transform: scale(.9); animation: pop var(--dur-3) var(--ease-spring); }
.bell-ring .icon { animation: bell 1s var(--ease-out); transform-origin: top center; }
@keyframes bell { 0%, 100% { transform: rotate(0); } 15% { transform: rotate(14deg); } 30% { transform: rotate(-12deg); } 45% { transform: rotate(8deg); } 60% { transform: rotate(-5deg); } 75% { transform: rotate(2deg); } }
.user-btn { display: flex; align-items: center; gap: 8px; padding: 3px 8px 3px 3px; border-radius: var(--r-full); transition: background-color var(--dur-1); }
.user-btn:hover, .user-btn[aria-expanded="true"] { background: var(--bg-hover); }
.user-btn-name { font-size: var(--fs-sm); font-weight: var(--fw-medium); max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.theme-icon-dark { display: none; }
:root[data-theme="dark"] .theme-icon-dark { display: block; }
:root[data-theme="dark"] .theme-icon-light { display: none; }

/* Breadcrumbs */
.crumbs { display: flex; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--text-3); min-width: 0; white-space: nowrap; overflow: hidden; }
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--text); text-decoration: none; }
.crumbs .icon { width: 14px; height: 14px; opacity: .6; }
.crumbs [aria-current="page"] { color: var(--text); font-weight: var(--fw-medium); overflow: hidden; text-overflow: ellipsis; }

/* Bandeaux */
.banner { display: flex; align-items: center; gap: var(--sp-3); padding: 9px var(--sp-6); font-size: var(--fs-sm); border-bottom: 1px solid transparent; animation: drop-in var(--dur-3) var(--ease-out); }
.banner .icon { flex-shrink: 0; }
.banner-incident { background: var(--warning-soft); color: var(--text); border-bottom-color: color-mix(in oklab, var(--warning) 30%, transparent); }
.banner-incident .icon { color: var(--warning-text); }
.banner-incident[data-severity="major"], .banner-incident[data-severity="critical"] { background: var(--danger-soft); border-bottom-color: color-mix(in oklab, var(--danger) 30%, transparent); }
.banner-incident[data-severity="major"] .icon, .banner-incident[data-severity="critical"] .icon { color: var(--danger-text); }
.banner-org { background: linear-gradient(90deg, var(--accent-soft), color-mix(in oklab, var(--accent-soft) 40%, var(--bg))); color: var(--accent-text); }
.banner-close { margin-left: auto; }

/* ------------------------------ Contenu ------------------------------ */
.page-main { flex: 1; width: 100%; max-width: var(--content-max); margin: 0 auto; padding: var(--sp-6) var(--sp-6) var(--sp-9); }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-6); }
.page-title { font-size: var(--fs-2xl); font-weight: var(--fw-semibold); letter-spacing: -0.02em; }
.page-sub { color: var(--text-2); margin-top: 4px; font-size: var(--fs-sm); max-width: 680px; }
.page-actions { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; }
.page-hero { position: relative; overflow: hidden; padding: var(--sp-6); border-radius: var(--r-xl); margin-bottom: var(--sp-6); border: 1px solid var(--border);
  background: var(--gradient-hero), var(--surface); }
.page-hero .page-header { margin-bottom: 0; }
.greeting { font-size: var(--fs-3xl); font-weight: var(--fw-semibold); letter-spacing: -0.025em; }
.greeting .wave { display: inline-block; transform-origin: 70% 70%; animation: wave 2.2s var(--ease-in-out) 0.4s 1; }
@keyframes wave { 0%, 60%, 100% { transform: rotate(0); } 10%, 30% { transform: rotate(14deg); } 20% { transform: rotate(-8deg); } 40% { transform: rotate(-4deg); } 50% { transform: rotate(10deg); } }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--sp-5); align-items: start; }
.split-wide { grid-template-columns: minmax(0, 1fr) 420px; }
.sticky-aside { position: sticky; top: calc(var(--topbar-h) + var(--sp-4)); }
@media (max-width: 1100px) { .split, .split-wide { grid-template-columns: minmax(0, 1fr); } .sticky-aside { position: static; } }

/* ------------------------------ Mobile ------------------------------ */
.sidebar-scrim { display: none; }
@media (max-width: 960px) {
  .shell, :root[data-sidebar="collapsed"] .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: min(var(--sidebar-w), 86vw); transform: translateX(-102%);
    transition: transform var(--dur-3) var(--ease-emph); box-shadow: var(--shadow-xl); }
  :root[data-sidebar="collapsed"] .sidebar .brand-text, :root[data-sidebar="collapsed"] .sidebar .nav-label,
  :root[data-sidebar="collapsed"] .sidebar .nav-section-title, :root[data-sidebar="collapsed"] .sidebar .sidebar-org .ident-text { opacity: 1; height: auto; }
  :root[data-sidebar="collapsed"] .nav-link { padding: 0 10px; }
  .sidebar-collapse-btn { display: none !important; }
  .shell.nav-open .sidebar { transform: none; }
  .shell.nav-open .sidebar-scrim { display: block; position: fixed; inset: 0; z-index: calc(var(--z-sidebar) - 1); background: var(--bg-overlay); animation: fade-in var(--dur-2); }
  .topbar { padding: 0 var(--sp-4); }
  .search-trigger { width: 36px; padding: 0; justify-content: center; border-color: transparent; background: transparent; box-shadow: none; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .user-btn-name { display: none; }
  .page-main { padding: var(--sp-4) var(--sp-4) var(--sp-8); }
  .banner { padding: 9px var(--sp-4); }
}
@media (min-width: 961px) { .nav-toggle { display: none !important; } }

/* ------------------------------ Auth ------------------------------ */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
.auth-panel { display: flex; flex-direction: column; justify-content: center; padding: var(--sp-8) clamp(24px, 6vw, 88px); position: relative; }
.auth-card { width: 100%; max-width: 400px; margin: 0 auto; }
.auth-card .brand { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-8); }
.auth-title { font-size: var(--fs-3xl); font-weight: var(--fw-semibold); letter-spacing: -0.025em; }
.auth-sub { color: var(--text-2); margin-top: 6px; margin-bottom: var(--sp-6); }
.auth-foot { position: absolute; bottom: var(--sp-5); left: 0; right: 0; text-align: center; font-size: var(--fs-xs); color: var(--text-3); display: flex; justify-content: center; gap: var(--sp-4); }
.auth-art { position: relative; overflow: hidden; background: #0b0c14; color: #fff; display: flex; align-items: flex-end; padding: var(--sp-8); isolation: isolate; }
.auth-art::before { content: ""; position: absolute; inset: -20%; z-index: -2;
  background: radial-gradient(40% 40% at 25% 30%, oklch(0.6 var(--accent-c) var(--accent-h) / .9), transparent 70%),
              radial-gradient(35% 35% at 75% 25%, oklch(0.62 var(--accent-c) calc(var(--accent-h) + 60) / .75), transparent 70%),
              radial-gradient(45% 45% at 60% 80%, oklch(0.55 var(--accent-c) calc(var(--accent-h) - 50) / .7), transparent 70%);
  filter: blur(30px); animation: aurora 18s var(--ease-in-out) infinite alternate; }
.auth-art::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .35;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%); }
@keyframes aurora { 0% { transform: translate(0, 0) rotate(0); } 50% { transform: translate(4%, -3%) rotate(8deg); } 100% { transform: translate(-3%, 4%) rotate(-6deg); } }
.auth-art-content { position: relative; max-width: 520px; }
.auth-art h2 { font-size: clamp(26px, 2.6vw, 38px); letter-spacing: -0.03em; line-height: 1.12; font-weight: var(--fw-semibold); }
.auth-art p { color: rgba(255, 255, 255, .72); margin-top: 14px; font-size: var(--fs-md); }
.auth-features { display: grid; gap: 10px; margin-top: 26px; }
.auth-feature { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .86); font-size: var(--fs-sm); }
.auth-feature .icon { width: 30px; height: 30px; padding: 7px; border-radius: 9px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .12); stroke: #fff; }
.auth-float { position: absolute; border-radius: var(--r-lg); background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 14px 16px; box-shadow: 0 20px 40px -12px rgba(0, 0, 0, .5); font-size: var(--fs-sm); color: #fff; }
.auth-float-1 { top: 14%; right: 12%; animation: float 7s var(--ease-in-out) infinite; }
.auth-float-2 { top: 34%; left: 10%; animation: float 8s var(--ease-in-out) -2s infinite; }
.auth-float .lbl { font-size: var(--fs-2xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); opacity: .65; }
.auth-float .val { font-size: var(--fs-xl); font-weight: var(--fw-semibold); margin-top: 2px; font-variant-numeric: tabular-nums; }
.auth-float .bar { height: 6px; width: 160px; border-radius: 6px; background: rgba(255, 255, 255, .15); margin-top: 8px; overflow: hidden; }
.auth-float .bar span { display: block; height: 100%; width: 72%; border-radius: inherit; background: linear-gradient(90deg, #fff, rgba(255, 255, 255, .6)); }
.auth-success { text-align: center; padding: var(--sp-6) 0; }
.success-check { width: 72px; height: 72px; margin: 0 auto var(--sp-4); }
.success-check circle { stroke: var(--success); stroke-width: 3; fill: var(--success-soft); stroke-dasharray: 220; stroke-dashoffset: 220; animation: draw .7s var(--ease-out) forwards; }
.success-check path { stroke: var(--success); stroke-width: 4; fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 60; stroke-dashoffset: 60; animation: draw .45s var(--ease-out) .5s forwards; }
@media (max-width: 900px) { .auth { grid-template-columns: 1fr; } .auth-art { display: none; } }

/* ------------------------------ Pages publiques (status, erreurs) ------------------------------ */
.public { min-height: 100vh; background: var(--gradient-hero), var(--bg); background-attachment: fixed; }
.public-header { max-width: 920px; margin: 0 auto; padding: var(--sp-6) var(--sp-5); display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); }
.public-main { max-width: 920px; margin: 0 auto; padding: 0 var(--sp-5) var(--sp-9); }
.public-brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none !important; }
.status-hero { display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-6); border-radius: var(--r-xl); color: #fff;
  background: linear-gradient(120deg, #0f8a3a, #19a65a); box-shadow: 0 18px 40px -16px rgba(15, 138, 58, .6); animation: rise-in-lg var(--dur-4) var(--ease-emph) both; }
.status-hero[data-level="minor"] { background: linear-gradient(120deg, #b26b00, #e09a18); box-shadow: 0 18px 40px -16px rgba(178, 107, 0, .55); }
.status-hero[data-level="major"] { background: linear-gradient(120deg, #a82828, #d94343); box-shadow: 0 18px 40px -16px rgba(168, 40, 40, .55); }
.status-hero-icon { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .18); flex-shrink: 0; }
.status-hero-icon .icon { width: 28px; height: 28px; stroke-width: 2.2; }
.status-hero h1 { font-size: var(--fs-2xl); }
.uptime { display: grid; grid-template-columns: repeat(30, 1fr); gap: 3px; height: 34px; }
.uptime span { border-radius: 3px; background: var(--success); opacity: .85; transform-origin: bottom; animation: grow-y var(--dur-4) var(--ease-emph) both; animation-delay: calc(var(--i) * 18ms); }
.uptime span[data-level="minor"], .uptime span[data-level="info"] { background: var(--warning); }
.uptime span[data-level="major"], .uptime span[data-level="critical"] { background: var(--danger); }
.uptime span:hover { opacity: 1; }
@keyframes grow-y { from { transform: scaleY(0); } to { transform: none; } }

.error-page { min-height: 100vh; display: grid; place-items: center; padding: var(--sp-6); background: var(--gradient-hero), var(--bg); }
.error-card { text-align: center; max-width: 520px; }
.error-code { font-family: var(--font-display); font-size: clamp(80px, 14vw, 140px); font-weight: var(--fw-bold); letter-spacing: -0.05em; line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: rise-in-lg var(--dur-5) var(--ease-emph) both; }
.error-card h1 { margin-top: var(--sp-3); font-size: var(--fs-2xl); }
.error-card p { color: var(--text-2); margin: var(--sp-3) auto var(--sp-6); }

/* ------------------------------ Impression ------------------------------ */
@media print {
  .sidebar, .topbar, .banner, .toasts, .page-actions, .dt-toolbar, .dt-footer { display: none !important; }
  .shell { display: block; }
  .page-main { padding: 0; max-width: none; }
  .card { box-shadow: none; break-inside: avoid; }
}