:root{--font-family-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-size-0: .875rem;--font-size-1: 1rem;--font-size-2: 1.25rem;--font-size-3: 1.5rem;--font-size-4: 2rem;--line-height-tight: 1.2;--line-height-base: 1.5;--radius-0: 4px;--radius-1: 8px;--radius-2: 16px;--space-0: 4px;--space-1: 8px;--space-2: 12px;--space-3: 16px;--space-4: 24px;--space-5: 32px;--shadow-1: 0 4px 14px rgba(0, 0, 0, .12);--shadow-2: 0 10px 30px rgba(0, 0, 0, .2)}:root{color-scheme:light dark;--color-primary: #4a60ff;--color-primary-strong: #2f45ff;--color-accent: #7c9cff}:root[data-theme=light]{--color-surface-1: #f7f8fb;--color-surface-2: #ffffff;--color-surface-3: #eef1f6;--color-border: #d7dce5;--color-text-1: #121826;--color-text-2: #4a5568;--color-text-3: #6b7280}:root[data-theme=dark]{--color-surface-1: #0b0d12;--color-surface-2: #12151d;--color-surface-3: #1b2230;--color-border: #263042;--color-text-1: #f8fafc;--color-text-2: #cbd5f5;--color-text-3: #9aa6c6}@media (prefers-color-scheme: light){:root:not([data-theme]){--color-surface-1: #f7f8fb;--color-surface-2: #ffffff;--color-surface-3: #eef1f6;--color-border: #d7dce5;--color-text-1: #121826;--color-text-2: #4a5568;--color-text-3: #6b7280}}@media (prefers-color-scheme: dark){:root:not([data-theme]){--color-surface-1: #0b0d12;--color-surface-2: #12151d;--color-surface-3: #1b2230;--color-border: #263042;--color-text-1: #f8fafc;--color-text-2: #cbd5f5;--color-text-3: #9aa6c6}}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-family-sans);line-height:var(--line-height-base);background:var(--color-surface-1);color:var(--color-text-1)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--color-surface-1)}.app-header{padding:var(--space-3) var(--space-5);background:var(--color-surface-2);border-bottom:1px solid var(--color-border)}.app-nav{display:flex;gap:var(--space-3);flex-wrap:wrap}.app-nav a{padding:var(--space-1) var(--space-2);border-radius:var(--radius-0);color:var(--color-text-2)}.app-nav a.active{background:var(--color-surface-3);color:var(--color-text-1)}.app-main{padding:var(--space-5);flex:1}.app-footer{padding:var(--space-3) var(--space-5);border-top:1px solid var(--color-border);color:var(--color-text-3)}.page-header{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.page-actions{display:flex;gap:var(--space-2);flex-wrap:nowrap}.card{padding:var(--space-4);border-radius:var(--radius-1);background:var(--color-surface-2);border:1px solid var(--color-border);box-shadow:var(--shadow-1)}.card-stack{display:flex;flex-direction:column;gap:var(--space-3)}.button{padding:var(--space-2) var(--space-3);border-radius:var(--radius-0);border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-1);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:var(--button-gap, 8px);white-space:nowrap;overflow:hidden;position:relative;flex-shrink:1;min-width:0}.button.primary{background:var(--color-primary);border-color:var(--color-primary-strong);color:#fff}.button-inner,.button-measure-inner{display:inline-flex;align-items:center;gap:var(--button-gap, 8px);min-width:0;flex-shrink:1}.button-icon{display:inline-flex;align-items:center;justify-content:center}.button-text,.button-text-short,.button-text-long{display:inline-flex}.button[data-size=long] .button-text-short,.button[data-size=short] .button-text-long,.button[data-size=icon] .button-text-long,.button[data-size=icon] .button-text-short{display:none}.button-measure{position:absolute;visibility:hidden;pointer-events:none;top:0;left:0;white-space:nowrap}.pill{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;background:var(--color-surface-3);color:var(--color-text-2);font-size:var(--font-size-0)}.stack{display:flex;flex-direction:column;gap:var(--space-3)}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:var(--space-5);z-index:1000;animation:fadeIn .2s ease-out}.modal-container{background:var(--color-surface-2);border-radius:var(--radius-2);border:1px solid var(--color-border);box-shadow:var(--shadow-2);max-width:90vw;max-height:90vh;overflow:auto;position:relative;animation:slideUp .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.dropdown-menu{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-1);box-shadow:var(--shadow-2);padding:var(--space-1);min-width:160px;display:flex;flex-direction:column;animation:dropdownFadeIn .15s ease-out;overflow:hidden}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-4px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.dropdown-menu-item{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border:none;background:transparent;color:var(--color-text-1);cursor:pointer;font-family:inherit;font-size:var(--font-size-1);text-align:left;width:100%;border-radius:var(--radius-0);transition:background-color .15s ease}.dropdown-menu-item:hover:not(:disabled){background:var(--color-surface-3)}.dropdown-menu-item:focus{outline:2px solid var(--color-primary);outline-offset:-2px}.dropdown-menu-item:disabled{opacity:.5;cursor:not-allowed}.dropdown-menu-item-icon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;flex-shrink:0;color:var(--color-text-2)}.dropdown-menu-item-text{flex:1}.dropdown-menu-separator{height:1px;background:var(--color-border);margin:var(--space-1) 0}.avatar-list{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.avatar-item{position:relative;flex-shrink:0}.avatar-item-clickable{cursor:pointer;transition:transform .15s ease}.avatar-item-clickable:hover{transform:scale(1.1)}.avatar-wrapper{position:relative;display:inline-flex;align-items:center;justify-content:center}.avatar-image,.avatar-initials{border-radius:50%;object-fit:cover;border:2px solid var(--color-surface-2);background:var(--color-surface-3);color:var(--color-text-1);display:flex;align-items:center;justify-content:center;font-weight:500;flex-shrink:0}.avatar-list[data-size=small] .avatar-image,.avatar-list[data-size=small] .avatar-initials{width:32px;height:32px;font-size:var(--font-size-0)}.avatar-list[data-size=medium] .avatar-image,.avatar-list[data-size=medium] .avatar-initials{width:40px;height:40px;font-size:var(--font-size-1)}.avatar-list[data-size=large] .avatar-image,.avatar-list[data-size=large] .avatar-initials{width:56px;height:56px;font-size:var(--font-size-2)}.avatar-marker{position:absolute;bottom:0;right:0;border-radius:50%;border:2px solid var(--color-surface-2);flex-shrink:0}.avatar-list[data-size=small] .avatar-marker{width:10px;height:10px}.avatar-list[data-size=medium] .avatar-marker{width:12px;height:12px}.avatar-list[data-size=large] .avatar-marker{width:16px;height:16px}.avatar-badge{position:absolute;top:-4px;right:-4px;display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 6px;border-radius:999px;background:var(--color-primary);color:#fff;font-size:11px;font-weight:600;border:2px solid var(--color-surface-2);box-shadow:0 2px 4px #0000001a}.avatar-overflow .avatar-initials{background:var(--color-surface-3);color:var(--color-text-2);border-color:var(--color-border)}