:root{
  --sidebar-width: 290px;
  --header-height: 88px;
  --bg: #f1f5f9;
  --panel: rgba(255,255,255,.92);
  --panel-border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --sidebar-bg: #1c2434;
  --sidebar-bg-2:#24303f;
  --sidebar-text: #d1d5db;
  --sidebar-active: #313d4a;
  --primary: #3c50e0;
  --primary-soft: rgba(60,80,224,.12);
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --shadow: 0 2px 10px rgba(15,23,42,.06);
  --shadow-soft: 0 12px 32px rgba(15,23,42,.10);
  --radius: 16px;
}
html.dark{
  --bg:#020617;
  --panel: rgba(15,23,42,.9);
  --panel-border:#1e293b;
  --text:#e2e8f0;
  --muted:#94a3b8;
  --sidebar-bg:#0f172a;
  --sidebar-bg-2:#111827;
  --sidebar-text:#cbd5e1;
  --sidebar-active:#1e293b;
  --primary:#60a5fa;
  --primary-soft: rgba(96,165,250,.14);
  --shadow: 0 2px 12px rgba(2,6,23,.32);
  --shadow-soft: 0 18px 50px rgba(2,6,23,.45);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.app-shell{display:flex;min-height:100vh;background:var(--bg)}
.app-sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);color:var(--sidebar-text);padding:24px 18px;display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:50;overflow-y:auto;transition:transform .25s ease}
.app-sidebar__brand{display:flex;align-items:center;gap:14px;margin-bottom:26px;padding:2px 6px}
.app-sidebar__logo{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#3c50e0,#80caee);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;box-shadow:var(--shadow-soft)}
.app-sidebar__brand strong{display:block;color:#fff;font-size:18px}
.app-sidebar__brand span{display:block;font-size:12px;color:#9ca3af;margin-top:2px}
.project-chip,.sidebar-footer-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:16px 14px;margin-bottom:22px}
.project-chip__eyebrow,.sidebar-nav__title,.app-header__eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.project-chip strong{display:block;color:#fff;font-size:16px;margin:6px 0}
.project-chip__meta{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:#cbd5e1}
.sidebar-nav{display:flex;flex-direction:column;gap:18px}
.sidebar-group{display:flex;flex-direction:column;gap:8px}
.sidebar-nav__title{margin:0 10px 2px;color:#9ca3af}
.sidebar-link{display:flex;align-items:center;gap:12px;border-radius:14px;padding:12px 14px;font-weight:500;color:var(--sidebar-text);transition:background .18s ease,color .18s ease,transform .18s ease}
.sidebar-link:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.sidebar-link.is-active{background:var(--sidebar-active);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.sidebar-link__icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;flex:0 0 20px}
.sidebar-link__icon svg{width:18px;height:18px}
.sidebar-footer-card{margin-top:auto;color:#cbd5e1}
.sidebar-footer-card span{display:block;font-size:12px;color:#94a3b8}
.sidebar-footer-card strong{display:block;margin-top:4px;color:#fff}
.app-main{margin-left:var(--sidebar-width);min-width:0;display:flex;flex:1;flex-direction:column;min-height:100vh}
.app-main--full{margin-left:0}
.app-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 28px;position:sticky;top:0;z-index:40;background:rgba(241,245,249,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--panel-border)}
html.dark .app-header{background:rgba(2,6,23,.72)}
.app-header__left,.app-header__right,.header-user{display:flex;align-items:center;gap:16px}
.app-header__title{margin:2px 0 0;font-size:24px;font-weight:800;line-height:1.1}
.header-icon-btn{width:44px;height:44px;border-radius:14px;border:1px solid var(--panel-border);background:var(--panel);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);box-shadow:var(--shadow)}
.header-icon-btn svg{width:20px;height:20px}
.header-search{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--panel-border);height:48px;min-width:320px;padding:0 14px;border-radius:14px;box-shadow:var(--shadow)}
.header-search svg{width:18px;height:18px;color:var(--muted)}
.header-search input{border:0;outline:0;background:transparent;color:var(--text);width:100%;font:inherit}
.header-user__meta{display:flex;flex-direction:column;text-align:right}
.header-user__meta strong{font-size:14px}.header-user__meta span{font-size:12px;color:var(--muted)}
.header-avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#3c50e0,#80caee);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;overflow:hidden}
.header-avatar img{width:100%;height:100%;object-fit:cover}
.header-logout{padding:10px 12px;border-radius:12px;font-size:13px;font-weight:600;color:var(--muted)}
.header-logout:hover{background:var(--panel)}
.theme-toggle-moon{display:none} html.dark .theme-toggle-moon{display:block} html.dark .theme-toggle-sun{display:none}
.content-area{padding:28px;display:flex;flex-direction:column;gap:22px}
.app-footer{margin:0 28px 28px;background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);box-shadow:var(--shadow)}
.app-footer__meta{font-weight:700}
.page-shell,.projects-page-shell,.project-main{display:flex;flex-direction:column;gap:22px;min-width:0}
.project-layout,.projects-shell{display:block}
.projects-sidebar,.project-sidebar{display:none}
.card,.projects-toolbar,.project-card,.project-form-card,.modal-panel,.auth-panel,.top-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.card{padding:24px;margin:0}
.page-heading,.section-title,.form-actions,.toolbar,.project-context,.page-intro,.hero-top,.hero-kpis,.project-card-meta,.project-card-actions,.project-card-actions-main,.project-form-grid,.project-form-side,.project-searchbar,.breadcrumbs{display:flex;gap:12px;flex-wrap:wrap}
.page-heading,.section-title,.hero-top{justify-content:space-between;align-items:flex-start}
.breadcrumbs{align-items:center;color:var(--muted);font-size:13px}
.breadcrumbs .sep{opacity:.5}
.page-subtitle,.muted,.small,.hint,.header-subtitle{color:var(--muted)}
.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.hero-project{padding:28px;background:linear-gradient(135deg, rgba(60,80,224,.12), rgba(128,202,238,.10)), var(--panel)}
.hero-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:18px}
.kpi-box{padding:18px;border-radius:16px;border:1px solid var(--panel-border);background:rgba(255,255,255,.55)} html.dark .kpi-box{background:rgba(15,23,42,.65)}
.kpi-box strong{display:block;font-size:28px;font-weight:800;margin:6px 0}
.editor-panel{border:1px solid var(--panel-border);border-radius:16px;padding:18px;background:rgba(255,255,255,.45)} html.dark .editor-panel{background:rgba(15,23,42,.55)}
input,textarea,select{width:100%;padding:12px 14px;border:1px solid var(--panel-border);background:rgba(255,255,255,.82);border-radius:14px;color:var(--text);font:inherit;outline:none;box-shadow:inset 0 1px 2px rgba(15,23,42,.03)}
html.dark input,html.dark textarea,html.dark select{background:rgba(15,23,42,.7)}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
label{display:block;font-size:13px;font-weight:700;margin:0 0 8px;color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:14px;border:1px solid transparent;background:var(--primary);color:#fff;font-weight:700;box-shadow:var(--shadow);transition:transform .18s ease,filter .18s ease}
.btn:hover{transform:translateY(-1px);filter:brightness(1.03)}
.btn.ghost,.btn.secondary,.btn.btn-secondary{background:rgba(255,255,255,.8);color:var(--text);border-color:var(--panel-border)}
html.dark .btn.ghost,html.dark .btn.secondary,html.dark .btn.btn-secondary{background:rgba(15,23,42,.78)}
.btn.accent{background:#0f172a;color:#fff}.btn.danger-muted{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.18);color:#b91c1c} html.dark .btn.danger-muted{color:#fecaca}
.pill,.badge-soft,.count-badge,.module-total,.inline-count{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700}
.module-total{min-width:44px;height:44px;border-radius:14px;font-size:16px}
.table{width:100%;border-collapse:separate;border-spacing:0}.table th,.table td{padding:15px 14px;border-bottom:1px solid var(--panel-border);text-align:left;vertical-align:top}.table thead th{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}.table tbody tr:hover td{background:rgba(60,80,224,.03)}
.alert{padding:14px 16px;border-radius:14px;border:1px solid rgba(239,68,68,.16);background:rgba(239,68,68,.10);color:#b91c1c}.alert.success{border-color:rgba(16,185,129,.18);background:rgba(16,185,129,.10);color:#047857}
.empty-state{padding:36px;border-radius:18px;border:1px dashed var(--panel-border);background:var(--panel);text-align:center;color:var(--muted)}
.project-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.project-card{overflow:hidden;display:flex;flex-direction:column}.project-card-image{aspect-ratio:16/9;background:linear-gradient(135deg,#dbeafe,#eff6ff)} html.dark .project-card-image{background:linear-gradient(135deg,#0f172a,#1e293b)}
.project-card-image img{width:100%;height:100%;object-fit:cover}.project-card-body{padding:20px 20px 0}.project-card-title{margin:0;font-size:20px}.project-card-desc{color:var(--muted);min-height:68px}.project-card-actions{padding:20px;justify-content:space-between;align-items:center}.project-card-delete-form{margin:0}.project-card-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#1e3a8a}.project-card-placeholder-title{font-size:44px;font-weight:800}.project-card-placeholder-sub{font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.project-form-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,.9fr);gap:24px}.project-image-preview{border:1px dashed var(--panel-border);border-radius:16px;min-height:240px;overflow:hidden;background:rgba(255,255,255,.3)}
.project-image-preview img{width:100%;height:100%;object-fit:cover}.project-form-card{padding:24px;max-width:1000px;width:min(100%,1000px)}
.modal-toggle{display:none}.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.58);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70}.modal-panel{position:fixed;inset:50% auto auto 50%;transform:translate(-50%,-45%);width:min(calc(100vw - 32px),1040px);max-height:calc(100vh - 48px);overflow:auto;padding:0;opacity:0;pointer-events:none;transition:all .24s ease;z-index:71}.modal-close{position:absolute;top:12px;right:16px;font-size:30px;color:var(--muted);z-index:2}
.modal-toggle:checked + .modal-backdrop{opacity:1;pointer-events:auto}.modal-toggle:checked + .modal-backdrop + .modal-panel{opacity:1;pointer-events:auto;transform:translate(-50%,-50%)}
.project-page-header{display:flex;flex-direction:column;gap:14px}
.project-page-title{font-size:32px;line-height:1.1;margin:0}
.overview-card ul{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:10px}.overview-card li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px solid var(--panel-border)}
.auth-shell-wrap{display:grid;place-items:center;padding:32px;min-height:100vh;background:radial-gradient(circle at top left, rgba(60,80,224,.18), transparent 30%), radial-gradient(circle at bottom right, rgba(128,202,238,.18), transparent 30%), var(--bg)}
.auth-shell{width:min(1080px,100%);background:var(--panel);border:1px solid var(--panel-border);border-radius:28px;box-shadow:var(--shadow-soft);padding:32px}
.bottom-bar{display:none}
.inline-delete-form{display:inline-flex}.inline-delete-form .btn-link-delete{border:0;background:none;color:#dc2626;padding:0;font:inherit}
.header-search input::placeholder,input::placeholder,textarea::placeholder{color:#94a3b8}
@media (max-width: 1280px){.project-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width: 1024px){.app-sidebar{transform:translateX(-100%)}body.sidebar-open .app-sidebar{transform:translateX(0)}.app-main{margin-left:0}.header-search{min-width:0;width:100%}.app-header{padding:16px 18px;height:auto;flex-wrap:wrap}.content-area{padding:20px}.grid-3,.grid-2,.project-form-grid{grid-template-columns:1fr}.app-footer{margin:0 20px 20px}.header-user__meta,.header-logout{display:none}}
@media (max-width: 720px){.project-card-grid,.hero-kpis,.grid-4{grid-template-columns:1fr}.header-search{order:3;flex:1 1 100%}.project-page-title,.app-header__title{font-size:22px}.card,.project-form-card{padding:18px}}