:root,[data-theme=light]{--color-primary: #D4644A;--color-primary-hover: #C0553D;--color-primary-light: #F0CDC2;--color-primary-bg: #FDF0EB;--color-secondary: #2D8C7C;--color-secondary-hover: #257A6B;--color-secondary-light: #A8D5CC;--color-accent: #F4A261;--color-accent-light: #FCE4CA;--color-surface: #FFF9F5;--color-bg: #FAF3EF;--color-ink: #2D2A28;--color-muted: #8A7E76;--color-border: #E8DDD6;--color-danger: #D95C5C;--color-danger-hover: #C44A4A;--color-success: #4CAF7D;--color-success-hover: #3D9B6B;--color-warning: #E8A840;--shadow-sm: 0 1px 2px rgba(45, 42, 40, .06);--shadow-md: 0 4px 12px rgba(45, 42, 40, .08);--shadow-lg: 0 8px 24px rgba(45, 42, 40, .12);--shadow-xl: 0 16px 40px rgba(45, 42, 40, .16);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--space-section: 80px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--motion-fast: .15s ease-out;--motion-normal: .25s ease-out;--motion-slow: .4s ease-in-out}[data-theme=dark]{--color-bg: #1A1614;--color-surface: #25211E;--color-ink: #F0EAE5;--color-muted: #A0978F;--color-border: #3A3430;--color-primary: #E07A60;--color-primary-hover: #D46A4E;--color-primary-light: #5A3428;--color-primary-bg: #2D1F1A;--color-secondary: #3DA89A;--color-secondary-hover: #359488;--color-secondary-light: #1D4A42;--color-accent: #F4B872;--color-accent-light: #5A3D1E;--color-danger: #E06A6A;--color-danger-hover: #CC5858;--color-success: #5CBF8D;--color-success-hover: #4AAD7B;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .35);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);--shadow-xl: 0 16px 40px rgba(0, 0, 0, .45)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:.938rem;line-height:1.6;color:var(--color-ink);background-color:var(--color-bg);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--motion-normal),color var(--motion-normal)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}a{color:var(--color-primary);text-decoration:none;transition:color var(--motion-fast)}a:hover{color:var(--color-primary-hover)}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{color:var(--color-ink);font-weight:700}h1{font-size:2rem;line-height:1.2;letter-spacing:-.02em}h2{font-size:1.5rem;line-height:1.25;letter-spacing:-.01em}h3{font-size:1.25rem;line-height:1.3;font-weight:600}h4{font-size:1.125rem;line-height:1.3;font-weight:600}.text-body-lg{font-size:1rem;line-height:1.6}.text-body-md{font-size:.938rem;line-height:1.6}.text-body-sm{font-size:.875rem;line-height:1.5}.text-caption{font-size:.75rem;line-height:1.4;letter-spacing:.01em;font-weight:500}.text-label{font-size:.813rem;line-height:1.4;letter-spacing:.01em;font-weight:600}.font-mono{font-family:var(--font-mono)}.text-muted{color:var(--color-muted)}.text-primary{color:var(--color-primary)}.text-center{text-align:center}.page-container{max-width:900px;margin:0 auto;padding:var(--space-lg) var(--space-md)}.section{margin-bottom:var(--space-section)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;line-height:1.4;letter-spacing:.01em;transition:all var(--motion-fast);white-space:nowrap;cursor:pointer;border:2px solid transparent}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-secondary);color:#fff;border-color:var(--color-secondary)}.btn-secondary:hover:not(:disabled){background-color:var(--color-secondary-hover);border-color:var(--color-secondary-hover)}.btn-ghost{background-color:transparent;color:var(--color-ink);border-color:var(--color-border)}.btn-ghost:hover:not(:disabled){background-color:var(--color-surface);border-color:var(--color-muted)}.btn-danger{background-color:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn-danger:hover:not(:disabled){background-color:var(--color-danger-hover);border-color:var(--color-danger-hover)}.btn-sm{padding:6px 14px;font-size:.813rem}.btn-lg{padding:14px 28px;font-size:1rem}.btn-icon{padding:8px;border-radius:var(--radius-sm);min-width:36px;min-height:36px}.btn-full{width:100%}.btn-loading{position:relative;color:transparent!important}.btn-loading:after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:box-shadow var(--motion-normal),border-color var(--motion-normal)}.card-hoverable:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary-light);cursor:pointer}.card-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.card-body{color:var(--color-ink)}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-border)}.input-group{display:flex;flex-direction:column;gap:var(--space-xs);margin-bottom:var(--space-md)}.input-label{font-size:.813rem;font-weight:600;line-height:1.4;letter-spacing:.01em;color:var(--color-ink)}.input-field{padding:10px 14px;border:2px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-ink);font-size:.938rem;line-height:1.5;transition:border-color var(--motion-fast),box-shadow 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center;padding-right:36px}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background-color:var(--color-primary);color:#fff;font-weight:600;flex-shrink:0;overflow:hidden;text-transform:uppercase}.avatar-sm{width:32px;height:32px;font-size:.75rem}.avatar-md{width:40px;height:40px;font-size:.875rem}.avatar-lg{width:56px;height:56px;font-size:1.25rem}.avatar-xl{width:80px;height:80px;font-size:1.75rem}.avatar img{width:100%;height:100%;object-fit:cover}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 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var(--motion-fast);box-shadow:var(--shadow-sm)}.toggle-track.active .toggle-thumb{transform:translate(20px)}.toggle-label{font-size:.875rem;color:var(--color-ink);-webkit-user-select:none;user-select:none}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-md);animation:fadeIn var(--motion-slow)}.modal-content{background-color:var(--color-surface);border-radius:var(--radius-xl);max-width:520px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:slideUp var(--motion-slow)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg) var(--space-lg) 0}.modal-body{padding:var(--space-lg)}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-sm);padding:0 var(--space-lg) var(--space-lg)}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);color:var(--color-muted);transition:background-color var(--motion-fast),color var(--motion-fast)}.modal-close:hover{background-color:var(--color-border);color:var(--color-ink)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.toast-container{position:fixed;top:var(--space-lg);right:var(--space-lg);z-index:2000;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{display:flex;align-items:center;gap:var(--space-sm);padding:12px 16px;border-radius:var(--radius-md);background-color:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);min-width:280px;max-width:420px;animation:slideIn toast var(--motion-normal);font-size:.875rem}.toast-success{border-left:4px solid var(--color-success)}.toast-error{border-left:4px solid var(--color-danger)}.toast-info{border-left:4px solid var(--color-primary)}.toast-warning{border-left:4px solid var(--color-warning)}.toast-close{margin-left:auto;color:var(--color-muted);flex-shrink:0}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl) var(--space-lg);text-align:center;color:var(--color-muted)}.empty-state-icon{font-size:3rem;margin-bottom:var(--space-md);opacity:.5}.empty-state-title{font-size:1.125rem;font-weight:600;color:var(--color-ink);margin-bottom:var(--space-xs)}.empty-state-text{font-size:.875rem;color:var(--color-muted);max-width:300px}.skeleton{background:linear-gradient(90deg,var(--color-border) 25%,var(--color-surface) 50%,var(--color-border) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out 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0}}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.p-md{padding:var(--space-md)}.p-lg{padding:var(--space-lg)}.w-full{width:100%}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background-color:var(--color-muted)}.dashboard-grid{display:flex;flex-direction:column;gap:var(--space-2xl)}.groups-carousel{display:flex;gap:var(--space-md);overflow-x:auto;padding-bottom:var(--space-sm);scroll-snap-type:x mandatory}.groups-carousel::-webkit-scrollbar{height:4px}.group-card-carousel{min-width:200px;max-width:240px;scroll-snap-align:start;flex-shrink:0}.hangout-list,.pending-list{display:flex;flex-direction:column;gap:var(--space-sm)}.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-md)}.rsvp-group{display:flex;gap:var(--space-xs)}.rsvp-btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:.813rem;font-weight:600;border:2px solid var(--color-border);background-color:transparent;color:var(--color-muted);transition:all var(--motion-fast);cursor:pointer}.rsvp-btn.active-going{background-color:var(--color-success);color:#fff;border-color:var(--color-success)}.rsvp-btn.active-maybe{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent)}.rsvp-btn.active-pass{background-color:var(--color-danger);color:#fff;border-color:var(--color-danger)}.rsvp-btn:hover:not(.active-going):not(.active-maybe):not(.active-pass){border-color:var(--color-primary);color:var(--color-primary)}.vote-buttons{display:flex;gap:4px}.vote-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;border:1px solid var(--color-border);background-color:transparent;color:var(--color-muted);cursor:pointer;transition:all var(--motion-fast)}.vote-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.vote-btn.voted-up{background-color:var(--color-success);color:#fff;border-color:var(--color-success)}.vote-btn.voted-down{background-color:var(--color-danger);color:#fff;border-color:var(--color-danger)}.date-chip{display:inline-flex;align-items:center;gap:var(--space-sm);padding:8px 14px;border-radius:var(--radius-md);border:2px solid var(--color-border);background-color:var(--color-surface);cursor:pointer;transition:all var(--motion-fast)}.date-chip:hover{border-color:var(--color-primary)}.date-chip.selected{border-color:var(--color-primary);background-color:var(--color-primary-bg)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-md)}.auth-card{width:100%;max-width:420px}.auth-logo{text-align:center;margin-bottom:var(--space-xl)}.auth-logo h1{font-size:2rem;color:var(--color-primary)}.auth-logo p{color:var(--color-muted);margin-top:var(--space-xs)}.top-nav{position:sticky;top:0;z-index:100;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 var(--space-lg);transition:background-color var(--motion-normal)}.top-nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1100px;margin:0 auto}.top-nav-logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--color-primary);text-decoration:none}.top-nav-logo:hover{color:var(--color-primary-hover)}.top-nav-search{position:relative;flex:0 1 320px}.top-nav-search input{width:100%;padding:8px 14px 8px 36px;border-radius:var(--radius-full);border:1px solid var(--color-border);background-color:var(--color-bg);color:var(--color-ink);font-size:.875rem;outline:none;transition:border-color var(--motion-fast)}.top-nav-search input:focus{border-color:var(--color-primary)}.top-nav-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--color-muted);font-size:.875rem;pointer-events:none}.top-nav-right{display:flex;align-items:center;gap:var(--space-md)}.top-nav-user{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;padding:4px 8px;border-radius:var(--radius-md);transition:background-color var(--motion-fast)}.top-nav-user:hover{background-color:var(--color-bg)}.top-nav-user-name{font-size:.875rem;font-weight:500;color:var(--color-ink)}.search-results{position:absolute;top:calc(100% + 4px);left:0;right:0;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);max-height:360px;overflow-y:auto;z-index:200}.search-result-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);cursor:pointer;transition:background-color var(--motion-fast);font-size:.875rem;color:var(--color-ink)}.search-result-item:hover{background-color:var(--color-bg)}.attendee-list{display:flex;flex-direction:column;gap:var(--space-xs)}.attendee-row{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0}.comment-section{display:flex;flex-direction:column;gap:var(--space-md)}.comment-item{display:flex;gap:var(--space-sm);padding:var(--space-sm) 0}.comment-content{flex:1}.comment-header{display:flex;align-items:center;gap:var(--space-xs);margin-bottom:2px}.comment-author{font-size:.813rem;font-weight:600;color:var(--color-ink)}.comment-time{font-size:.75rem;color:var(--color-muted)}.comment-text{font-size:.875rem;color:var(--color-ink);line-height:1.5}.comment-input-area{display:flex;gap:var(--space-sm)}.comment-input-area input{flex:1}.photo-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-sm)}.photo-card{position:relative;aspect-ratio:1;border-radius:var(--radius-md);overflow:hidden;background-color:var(--color-border)}.photo-card img{width:100%;height:100%;object-fit:cover}.photo-delete{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;background-color:#0009;color:#fff;font-size:.75rem;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--motion-fast);cursor:pointer}.photo-card:hover .photo-delete{opacity:1}.member-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) 0}.member-row-left{display:flex;align-items:center;gap:var(--space-sm)}.member-row-name{font-weight:500;font-size:.875rem}.member-row-role{font-size:.75rem;color:var(--color-muted)}.danger-zone{border:2px solid var(--color-danger);border-radius:var(--radius-lg);padding:var(--space-lg)}.danger-zone-title{color:var(--color-danger);font-weight:600;margin-bottom:var(--space-sm)}@media(max-width:768px){.top-nav{padding:0 var(--space-md)}.top-nav-search{flex:0 1 180px}.top-nav-user-name{display:none}.groups-grid{grid-template-columns:1fr}.photo-gallery{grid-template-columns:repeat(3,1fr)}.page-container{padding:var(--space-md)}}@media(max-width:480px){.top-nav-search{display:none}.groups-carousel .group-card-carousel{min-width:160px}}