:root{--color-bg: #ffffff;--color-heading: #111827;--color-text: #374151;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-accent: #4f46e5;--color-accent-hover: #4338ca;--color-surface: #f9fafb;--color-surface-hover: #f3f4f6;--sidebar-width: 220px;--sidebar-collapsed-width: 56px;--header-height: 60px;--footer-height: 48px}[data-theme=dark]{--color-bg: #111827;--color-heading: #f9fafb;--color-text: #d1d5db;--color-text-muted: #9ca3af;--color-border: #1f2937;--color-accent: #818cf8;--color-accent-hover: #a5b4fc;--color-surface: #1f2937;--color-surface-hover: #374151}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:1rem;line-height:1.6;color:var(--color-text);background-color:var(--color-bg)}h1,h2,h3,h4,h5,h6{line-height:1.25;color:var(--color-heading)}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}ul{list-style:none;margin:0;padding:0}#root{isolation:isolate}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);padding:1rem}.login-card{width:100%;max-width:400px;padding:2rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 4px 24px #0000001a}.login-title{margin:0 0 .25rem;font-size:1.5rem}.login-subtitle{margin:0 0 1.5rem;color:var(--color-text-muted);font-size:.875rem}.login-field{margin-bottom:1rem}.login-label{display:block;margin-bottom:.375rem;font-size:.8125rem;font-weight:600;color:var(--color-text)}.login-input{width:100%;padding:.5rem .75rem;font-size:.875rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-bg);color:var(--color-text);outline:none;transition:border-color .15s ease}.login-input:focus{border-color:var(--color-accent)}.login-input:disabled{opacity:.6}.login-error{margin:0 0 .5rem;padding:.5rem .75rem;font-size:.8125rem;color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:6px}[data-theme=dark] .login-error{color:#fca5a5;background:#dc26261a;border-color:#dc26264d}.login-submit{width:100%;margin-top:1rem;padding:.625rem 1rem;font-size:.875rem;font-weight:600;color:#fff;background:var(--color-accent);border:none;border-radius:6px;cursor:pointer;transition:background-color .15s ease}.login-submit:hover:not(:disabled){background:var(--color-accent-hover)}.login-submit:disabled{opacity:.6;cursor:not-allowed}.app-grid{display:grid;grid-template-areas:"header  header" "sidebar main" "footer  footer";grid-template-columns:var(--sidebar-width) 1fr;grid-template-rows:var(--header-height) 1fr var(--footer-height);min-height:100vh}.app-grid--sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) 1fr}.app-header{grid-area:header;display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;border-bottom:1px solid var(--color-border);background-color:var(--color-bg);gap:1rem}.header-brand{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.header-sidebar-toggle{display:inline-flex;align-items:center;justify-content:center;background:none;border:1px solid var(--color-border);border-radius:6px;padding:.375rem .5rem;cursor:pointer;font-size:1rem;line-height:1;color:var(--color-text);transition:background-color .15s ease,border-color .15s ease;flex-shrink:0}.header-sidebar-toggle:hover{background-color:var(--color-surface-hover);border-color:var(--color-text-muted)}.header-title{margin:0;font-size:1.125rem;font-weight:700;letter-spacing:-.01em;color:var(--color-heading);line-height:1.2}.header-subtitle{margin:0;font-size:.75rem;color:var(--color-text-muted);line-height:1.2}.header-actions{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.header-theme-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:1px solid var(--color-border);border-radius:6px;padding:.375rem .5rem;cursor:pointer;font-size:1rem;line-height:1;color:var(--color-text);transition:background-color .15s ease,border-color .15s ease}.header-theme-btn:hover{background-color:var(--color-surface-hover);border-color:var(--color-text-muted)}.header-user{display:flex;align-items:center;gap:.5rem}.header-avatar{width:32px;height:32px;border-radius:50%;border:2px solid var(--color-border);background-color:var(--color-surface);flex-shrink:0}.avatar-picker-wrapper{position:relative}.avatar-picker-trigger{display:flex;align-items:center;padding:0;border:none;background:none;cursor:pointer;border-radius:50%;transition:box-shadow .15s}.avatar-picker-trigger:hover{box-shadow:0 0 0 3px var(--color-accent);border-radius:50%}.avatar-picker-trigger .header-avatar{pointer-events:none}.avatar-picker-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:99}.avatar-picker-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:100;width:320px;padding:1rem;background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 8px 30px #00000026;animation:dropdown-fade-in .15s ease-out}[data-theme=dark] .avatar-picker-panel{box-shadow:0 8px 30px #0006}.avatar-picker-title{margin:0 0 .75rem;font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted)}.avatar-picker-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem}.avatar-picker-option{display:flex;align-items:center;justify-content:center;padding:.375rem;border:2px solid transparent;border-radius:10px;background-color:var(--color-surface);cursor:pointer;transition:border-color .15s,transform .1s,background-color .15s}.avatar-picker-option:hover{border-color:var(--color-accent);transform:scale(1.08);background-color:var(--color-surface-hover)}.avatar-picker-option--selected{border-color:var(--color-accent);background-color:var(--color-surface-hover);box-shadow:0 0 0 2px var(--color-accent)}.avatar-picker-option:disabled{opacity:.5;cursor:wait}.avatar-picker-option img{border-radius:6px}.header-user-name{font-size:.875rem;font-weight:500;color:var(--color-text);white-space:nowrap}.sync-indicator{flex:1;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--color-text-muted);min-width:0}.sync-indicator__time{white-space:nowrap}.sync-indicator__flash{display:inline-flex;align-items:center;gap:.375rem;padding:.1875rem .625rem;border-radius:999px;background-color:#f0fdf4;color:#166534;font-size:.75rem;font-weight:500;animation:sync-flash .25s ease}[data-theme=dark] .sync-indicator__flash{background-color:#14532d;color:#86efac}@keyframes sync-flash{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.sync-indicator__refreshing{display:inline-flex;align-items:center;gap:.375rem}.sync-indicator__spinner{display:inline-block;width:10px;height:10px;border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .7s linear 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.375rem;cursor:pointer;font-size:.875rem;color:var(--color-text-muted);transition:color .15s ease,border-color .15s ease,background-color .15s ease}.modal-close-btn:hover{color:var(--color-text);border-color:var(--color-border);background-color:var(--color-surface-hover)}.modal-body{padding:1.25rem 1.5rem 1.5rem;overflow-y:auto}.empty-state{padding:3rem 0;text-align:center;color:var(--color-text-muted);font-size:.9375rem}.new-project-form-container{max-width:560px}.form-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:1rem}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text)}.form-label--required:after{content:" *";color:#dc2626}.form-input,.form-textarea,.form-select{width:100%;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:6px;background-color:var(--color-bg);color:var(--color-text);font-size:.9375rem;font-family:inherit;line-height:1.5;transition:border-color .15s ease,box-shadow .15s 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