:root{--bg-base:#fff;--bg-subtle:#f8fafc;--bg-dark:#05080f;--text-main:#0f172a;--text-muted:#475569;--text-light:#94a3b8;--border-light:#e2e8f0;--border-dark:#1e293b;--accent-primary:#e05d36;--accent-hover:#c24a26;--accent-subtle:#fff1ec;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--font-display:"Plus Jakarta Sans",var(--font-sans);--container-max:1200px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-subtle:0 4px 12px -2px rgba(15,23,42,.05);--shadow-hover:0 12px 32px -8px rgba(15,23,42,.1);--transition-base:0.25s cubic-bezier(0.25,0.1,0.25,1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);color:var(--text-main);background-color:var(--bg-base);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}h1,h2,h3,h4{font-family:var(--font-display)}p{color:var(--text-muted);line-height:1.7}.app-shell{display:flex;min-height:100vh}.app-main{flex:1 1;display:flex;flex-direction:column;min-width:0;background:var(--bg-subtle)}.app-content{flex:1 1;padding:32px;overflow-y:auto}.sidebar{width:260px;background:var(--bg-base);border-right:1px solid var(--border-light);display:flex;flex-direction:column;height:100vh;position:-webkit-sticky;position:sticky;top:0;transition:width .2s ease;overflow:hidden;flex-shrink:0}.sidebar.collapsed{width:72px}.sidebar-logo{padding:0 20px;display:flex;align-items:center;gap:12px;height:56px;box-shadow:0 1px 0 0 rgba(0,0,0,.04);flex-shrink:0;text-decoration:none;color:var(--text-main)}.sidebar-logo img{width:32px;height:32px;flex-shrink:0;border-radius:var(--radius-sm)}.sidebar-logo span{font-family:var(--font-display);font-weight:700;font-size:1.1rem;white-space:nowrap;overflow:hidden;transition:opacity .15s ease}.sidebar.collapsed .sidebar-logo span{opacity:0;width:0}.sidebar-nav{flex:1 1;padding:16px 12px;overflow-y:auto}.sidebar-section-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-light);padding:12px 12px 8px;white-space:nowrap;overflow:hidden;transition:opacity .15s ease}.sidebar.collapsed .sidebar-section-label{opacity:0}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;min-height:44px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:.9rem;font-weight:500;transition:all .15s ease;cursor:pointer;white-space:nowrap;text-decoration:none;border:none;background:none;width:100%;font-family:inherit}.sidebar-nav-item:hover{background:var(--bg-subtle);color:var(--text-main)}.sidebar-nav-item.active{background:var(--accent-subtle);color:var(--accent-primary);font-weight:600}.sidebar-nav-item svg{flex-shrink:0;width:20px;height:20px}.sidebar-nav-item .nav-label{overflow:hidden;transition:opacity .15s ease}.sidebar.collapsed .nav-label{opacity:0;width:0;overflow:hidden}.sidebar-badge{background:var(--accent-subtle);color:var(--accent-primary);font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:999px;margin-left:auto}.sidebar.collapsed .sidebar-badge{display:none}.sidebar-spacer{flex:1 1}.sidebar-bottom{padding:12px;border-top:1px solid var(--border-light);flex-shrink:0}.topbar{justify-content:space-between;height:56px;padding:0 24px;background:hsla(0,0%,100%,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 0 rgba(0,0,0,.04);flex-shrink:0;position:-webkit-sticky;position:sticky;top:0;z-index:40}.topbar,.topbar-left{display:flex;align-items:center}.topbar-left{gap:12px}.topbar-right{display:flex;align-items:center;gap:4px}.topbar-divider{width:1px;height:20px;background:var(--border-light);margin:0 4px;flex-shrink:0}.topbar-menu-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;border-radius:var(--radius-md);color:var(--text-muted);transition:all .15s ease}.topbar-menu-btn:hover{background:var(--bg-subtle);color:var(--text-main)}.topbar-search{display:flex;align-items:center;gap:8px;padding:0 14px;background:var(--bg-subtle);border:1px solid transparent;border-radius:999px;color:var(--text-light);font-size:.8rem;font-family:var(--font-sans);cursor:pointer;height:34px;min-width:260px;transition:all .15s ease}.topbar-search:hover{border-color:var(--border-light);background:var(--bg-base);box-shadow:0 0 0 3px rgba(0,0,0,.02)}.topbar-search span{flex:1 1;text-align:left;letter-spacing:.01em}.topbar-search kbd{background:var(--bg-base);border:1px solid var(--border-light);padding:1px 6px;border-radius:5px;font-size:.65rem;font-family:var(--font-sans);font-weight:500;color:var(--text-light);line-height:1.6;letter-spacing:.02em}.topbar-icon-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;border-radius:var(--radius-md);color:var(--text-light);position:relative;transition:all .15s ease}.topbar-icon-btn:hover{background:var(--bg-subtle);color:var(--text-main)}.topbar-notification-dot{position:absolute;top:7px;right:7px;width:6px;height:6px;background:var(--accent-primary);border-radius:50%;border:1.5px solid var(--bg-base)}.auth-shell{display:flex;min-height:100vh}.auth-brand-panel{flex:0 0 52%;background:var(--bg-subtle);border-right:1px solid var(--border-light);display:flex;flex-direction:column;justify-content:space-between;padding:48px 64px;position:relative;overflow:hidden}.auth-brand-panel:before{content:"";position:absolute;top:-15%;right:-10%;width:50%;height:60%;background:radial-gradient(ellipse,rgba(224,93,54,.07) 0,transparent 70%);pointer-events:none}.auth-brand-panel:after{content:"";position:absolute;bottom:-10%;left:-5%;width:45%;height:50%;background:radial-gradient(ellipse,rgba(224,93,54,.1) 0,transparent 65%);pointer-events:none}.auth-brand-top{position:relative;z-index:1}.auth-brand-logo{display:inline-flex;align-items:center;text-decoration:none;margin-bottom:64px}.auth-brand-logo img{height:28px;width:auto;object-fit:contain}.auth-brand-logo-name{font-weight:700;font-size:1.1rem;letter-spacing:-.01em}.auth-brand-headline,.auth-brand-logo-name{font-family:var(--font-display);color:var(--text-main)}.auth-brand-headline{font-size:3rem;font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-bottom:20px}.auth-brand-headline em{font-style:normal;color:var(--accent-primary)}.auth-brand-sub{font-size:1.05rem;color:var(--text-muted);line-height:1.7;max-width:380px}.auth-brand-stats{display:flex;align-items:center;gap:24px;margin-top:48px;position:relative;z-index:1}.auth-brand-stat{display:flex;flex-direction:column;gap:2px}.auth-brand-stat-number{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--text-main);letter-spacing:-.02em;line-height:1}.auth-brand-stat-label{font-size:.8rem;color:var(--text-light);font-weight:500}.auth-brand-stat-divider{width:1px;height:32px;background:var(--border-light);flex-shrink:0}.auth-brand-trust{position:relative;z-index:1;font-size:.85rem;color:var(--text-light);font-weight:500;line-height:1.5}.auth-form-panel{flex:1 1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:48px 40px;background:var(--bg-base)}.auth-form-inner{width:100%;max-width:400px}.auth-form-header{margin-bottom:28px}.auth-form-header h2{font-family:var(--font-display);font-size:1.6rem;font-weight:800;letter-spacing:-.02em;color:var(--text-main);margin-bottom:6px}.auth-form-header p{font-size:.95rem;color:var(--text-muted)}.auth-form-footer{text-align:center;margin-top:20px;font-size:.88rem;color:var(--text-muted)}.auth-form-footer a{color:var(--accent-primary);font-weight:600}.auth-form-footer a:hover{text-decoration:underline}.auth-form-back{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-light);margin-top:24px;transition:color var(--transition-base)}.auth-form-back:hover{color:var(--text-muted)}@media (max-width:768px){.auth-shell{flex-direction:column}.auth-brand-panel{flex:none;padding:32px 24px;border-right:none;border-bottom:1px solid var(--border-light)}.auth-brand-headline{font-size:2rem}.auth-brand-logo{margin-bottom:32px}.auth-brand-stats,.auth-brand-trust{display:none}.auth-brand-sub{font-size:.95rem}.auth-form-panel{padding:40px 24px}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent-primary);color:#fff;font-family:var(--font-display);font-weight:600;font-size:.9rem;padding:10px 20px;border-radius:var(--radius-sm);border:none;cursor:pointer;min-height:44px;transition:all var(--transition-base);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.15),0 1px 3px rgba(224,93,54,.2)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.15),0 4px 12px rgba(224,93,54,.25)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--bg-base);color:var(--text-main);font-family:var(--font-display);font-weight:600;font-size:.9rem;padding:10px 20px;border-radius:var(--radius-sm);border:1px solid var(--border-light);cursor:pointer;min-height:44px;transition:all var(--transition-base)}.btn-secondary:hover{border-color:var(--text-muted);background:var(--bg-subtle)}.page-container{max-width:800px;margin:0 auto;padding:48px 24px}.card{background:var(--bg-base);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px;transition:box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-subtle)}.dashboard-greeting{margin-bottom:32px}.dashboard-greeting h1{font-size:1.75rem;font-weight:700;margin-bottom:4px}.dashboard-greeting p{font-size:.95rem;margin:0}.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-base);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:12px;transition:box-shadow var(--transition-base)}.stat-card:hover{box-shadow:var(--shadow-subtle)}.stat-card-header{display:flex;justify-content:space-between;align-items:center}.stat-card-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.stat-card-icon.orange{background:var(--accent-subtle);color:var(--accent-primary)}.stat-card-icon.green{background:#ecfdf5;color:#059669}.stat-card-icon.blue{background:#eff6ff;color:#3b82f6}.stat-card-icon.purple{background:#f3e8ff;color:#7c3aed}.stat-card-value{font-size:2rem;font-weight:800;font-family:var(--font-display);line-height:1}.stat-card-label{font-size:.8rem;color:var(--text-muted);font-weight:500}.dashboard-columns{display:grid;grid-template-columns:1.5fr 1fr;grid-gap:24px;gap:24px}.dashboard-section{background:var(--bg-base);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px}.dashboard-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dashboard-section-header h2{font-size:1.1rem;font-weight:700}.project-card{display:flex;justify-content:space-between;align-items:center;padding:16px;border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease;text-decoration:none;color:inherit}.project-card:hover{border-color:var(--accent-primary);background:var(--accent-subtle)}.project-card-left{display:flex;align-items:center;gap:12px}.project-card-avatar{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--accent-subtle);display:flex;align-items:center;justify-content:center;color:var(--accent-primary);font-weight:700;font-size:.9rem;font-family:var(--font-display);flex-shrink:0}.project-card-info h3{font-size:.95rem;font-weight:600;margin-bottom:2px}.project-card-info p{font-size:.8rem;margin:0;color:var(--text-light)}.project-card-right{display:flex;align-items:center;gap:12px}.quick-actions{display:flex;flex-direction:column;gap:8px}.quick-action{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;min-height:48px;transition:all .15s ease;background:var(--bg-base);width:100%;font-size:.9rem;font-weight:500;color:var(--text-main);font-family:inherit;text-align:left}.quick-action:hover{border-color:var(--accent-primary);background:var(--accent-subtle)}.quick-action svg{color:var(--accent-primary);flex-shrink:0}.projects-list{display:flex;flex-direction:column;gap:8px}.activity-empty{text-align:center;padding:32px 16px;color:var(--text-light);font-size:.85rem}.activity-empty svg{margin-bottom:8px;display:block;margin-left:auto;margin-right:auto}.empty-state{text-align:center;padding:80px 40px;background:var(--bg-base);border:2px dashed var(--border-light);border-radius:var(--radius-md)}.empty-state h2{font-size:1.25rem;font-weight:700;margin-bottom:8px}.empty-state p{margin-bottom:24px;font-size:.95rem}.input{width:100%;padding:12px 16px;border:1px solid var(--border-light);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;outline:none;min-height:48px;transition:border-color .15s ease;background:var(--bg-base)}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-subtle)}.input::placeholder{color:var(--text-light)}.badge{display:inline-flex;align-items:center;font-size:.75rem;font-weight:600;padding:4px 12px;border-radius:999px}.badge-green{background:#ecfdf5;color:#059669}.badge-orange{background:var(--accent-subtle);color:var(--accent-primary)}.sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:199;opacity:0;visibility:hidden;transition:all .25s ease}.sidebar-backdrop.visible{opacity:1;visibility:visible}@media (max-width:1024px){.stat-cards{grid-template-columns:repeat(2,1fr)}.dashboard-columns{grid-template-columns:1fr}}@media (max-width:768px){.sidebar{position:fixed;left:-260px;z-index:200;box-shadow:var(--shadow-hover);transition:left .25s ease}.sidebar.mobile-open{left:0}.app-content{padding:24px 16px}.topbar{padding:0 16px}.topbar-search{display:none}.auth-shell{flex-direction:column}.auth-brand-panel{flex:none;padding:40px 24px;min-height:auto}.auth-brand-headline{font-size:1.75rem}.auth-brand-features{display:none}.auth-form-panel{padding:32px 24px}.stat-cards{grid-template-columns:1fr 1fr}}@media (max-width:480px){.stat-cards{grid-template-columns:1fr}}.project-room{max-width:840px}.project-room-header{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:24px;border-bottom:1px solid var(--border-light);margin-bottom:0}.project-room-header-left{display:flex;align-items:flex-start;gap:12px}.project-back-link{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);color:var(--text-muted);transition:all .15s ease;margin-top:2px}.project-back-link:hover{background:var(--bg-subtle);color:var(--text-main)}.project-room-header-left h1{font-size:1.5rem;font-weight:700;line-height:1.3}.project-room-header-left p{font-size:.85rem;margin-top:2px}.project-room-header-right{display:flex;align-items:center;gap:8px}.project-tabs{display:flex;gap:0;border-bottom:1px solid var(--border-light);margin-bottom:24px}.project-tab{padding:12px 20px;font-size:.9rem;font-weight:500;color:var(--text-muted);cursor:pointer;border:none;background:none;font-family:inherit;position:relative;transition:color .15s ease}.project-tab:hover{color:var(--text-main)}.project-tab.active{color:var(--accent-primary);font-weight:600}.project-tab.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--accent-primary);border-radius:2px 2px 0 0}.timeline-list{display:flex;flex-direction:column;gap:0}.timeline-entry{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--border-light)}.timeline-entry:last-child{border-bottom:none}.timeline-entry-dot{width:36px;height:36px;border-radius:50%;background:var(--bg-subtle);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-muted);border:1px solid var(--border-light)}.timeline-entry-content{flex:1 1;min-width:0}.timeline-entry-meta{display:flex;align-items:center;gap:12px;margin-bottom:6px}.timeline-entry-type{font-size:.8rem;font-weight:600;color:var(--text-main)}.timeline-entry-time{font-size:.78rem;color:var(--text-light)}.timeline-entry-text{font-size:.92rem;color:var(--text-main);line-height:1.6;white-space:pre-wrap}.timeline-entry-calc{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:12px 16px;font-size:.9rem}.timeline-entry-calc strong{display:block;margin-bottom:4px}.timeline-entry-file{display:inline-flex;align-items:center;gap:8px;background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:8px 14px;font-size:.85rem;color:var(--accent-primary);font-weight:500}.timeline-empty{text-align:center;padding:48px 24px;color:var(--text-light);background:var(--bg-base);border-radius:var(--radius-md);border:2px dashed var(--border-light)}.timeline-empty svg{margin:0 auto 12px;display:block}.timeline-empty-title{font-size:.95rem;font-weight:600;color:var(--text-muted);margin-bottom:4px}.timeline-empty p{font-size:.85rem}.add-note-trigger{display:flex;align-items:center;gap:10px;width:100%;padding:14px 18px;background:var(--bg-base);border:1px dashed var(--border-light);border-radius:var(--radius-md);color:var(--text-light);font-size:.9rem;cursor:pointer;font-family:inherit;transition:all .15s ease;margin-bottom:24px}.add-note-trigger:hover{border-color:var(--accent-primary);color:var(--accent-primary);background:var(--accent-subtle)}.add-note-form{background:var(--bg-base);border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden;margin-bottom:24px}.add-note-textarea{width:100%;border:none;padding:16px 18px;font-size:.92rem;font-family:inherit;resize:none;outline:none;min-height:80px;line-height:1.6}.add-note-textarea::placeholder{color:var(--text-light)}.add-note-actions{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-top:1px solid var(--border-light);background:var(--bg-subtle)}.add-note-left-actions{display:flex;gap:4px}.add-note-attach-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;border-radius:var(--radius-sm);color:var(--text-muted);transition:all .15s ease}.add-note-attach-btn:hover{background:var(--bg-base);color:var(--accent-primary)}.add-note-right-actions{display:flex;gap:8px}.btn-sm{padding:6px 14px;font-size:.82rem;min-height:34px}.settings-page{max-width:680px}.settings-page h1{font-size:1.5rem;font-weight:700;margin-bottom:4px}.settings-subtitle{font-size:.95rem;margin-bottom:32px}.settings-sections{display:flex;flex-direction:column;gap:32px}.settings-section h2{font-size:1rem;font-weight:600;margin-bottom:12px}.settings-card{background:var(--bg-base);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px 24px}.settings-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-light)}.settings-row:last-child{border-bottom:none}.settings-row label{color:var(--text-muted)}.settings-row label,.settings-row span{font-size:.9rem;font-weight:500}.project-room-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 40px;color:var(--text-light);gap:16px}.loading-spinner{width:32px;height:32px;border:3px solid var(--border-light);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}