.notification-container{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:10000;pointer-events:none;animation:slideDown .3s cubic-bezier(.18,.89,.32,1.28)}.notification-content{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:12px 24px;border-radius:50px;box-shadow:0 4px 20px #00000026;border:1px solid rgba(0,0,0,.05);font-weight:500;color:#333;display:flex;align-items:center;gap:8px;font-size:15px}@keyframes slideDown{0%{transform:translate(-50%,-100%);opacity:0}to{transform:translate(-50%);opacity:1}}@media(max-width:768px){.notification-container{top:80px}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--color-bg-secondary);padding:20px}.login-card{background-color:#fff;padding:40px;border-radius:24px;box-shadow:0 10px 30px #00000014;width:100%;max-width:400px;text-align:center}.login-title{font-size:28px;font-weight:700;color:var(--color-primary);margin-bottom:32px}.login-input{width:100%;padding:14px 16px;margin-bottom:16px;border:1px solid #eee;border-radius:12px;background-color:#f9f9f9;font-size:16px;transition:all .2s;outline:none}.login-input:focus{border-color:var(--color-primary);background-color:#fff;box-shadow:0 0 0 4px #e600230d}.login-button{width:100%;padding:16px;background-color:var(--color-primary);color:#fff;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .2s;margin-top:8px}.login-button:hover:not(:disabled){background-color:#ad081b}.login-button:disabled{opacity:.7;cursor:not-allowed}.masonry-grid{column-count:2;column-gap:16px;padding:16px 8px}@media(min-width:600px){.masonry-grid{column-count:3}}@media(min-width:900px){.masonry-grid{column-count:4}}@media(min-width:1200px){.masonry-grid{column-count:5}}.pin-card{margin-bottom:16px;break-inside:avoid;cursor:zoom-in;display:inline-block;width:100%;vertical-align:top}.pin-image-wrapper{position:relative;border-radius:var(--radius-xl);overflow:hidden;margin-bottom:8px}.pin-image{width:100%;display:block;transition:filter var(--transition-speed)}.pin-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0006;opacity:0;transition:opacity var(--transition-speed);display:flex;justify-content:flex-end;padding:12px}.pin-image-wrapper:hover .pin-overlay{opacity:1}.pin-info{padding:0 4px}.pin-title{font-size:14px;font-weight:600;color:var(--color-text-dark);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pin-user{font-size:12px;color:var(--color-text-light)}.notes-page{padding-top:80px;padding-bottom:100px;min-height:100vh}.notes-grid{column-count:2;column-gap:16px;padding:0 16px}@media(min-width:600px){.notes-grid{column-count:3;padding:0 24px;max-width:1200px;margin:0 auto}}@media(min-width:1000px){.notes-grid{column-count:4}}.note-card-feed{break-inside:avoid;margin-bottom:16px;border-radius:16px;padding:20px;box-shadow:0 2px 8px #0000000d;transition:box-shadow .2s ease;display:inline-block;width:100%;box-sizing:border-box;min-height:100px;position:relative;vertical-align:top}.note-card-feed:hover{box-shadow:0 8px 16px #00000026;z-index:1}.note-content{font-size:16px;line-height:1.5;color:#222;white-space:pre-wrap;font-family:inherit;font-weight:500;overflow-wrap:break-word;word-break:break-word}.note-date{font-size:12px;color:#0006;font-weight:600}.note-footer{display:flex;justify-content:space-between;align-items:center;margin-top:16px}.note-author{font-size:11px;font-weight:700;color:#0009;text-transform:uppercase;letter-spacing:.5px}.notes-header{position:fixed;top:10px;left:10px;right:10px;z-index:1000;display:flex;align-items:center;gap:10px;pointer-events:none}.notes-header .logo-tab{position:static;pointer-events:auto}.filter-container-header{pointer-events:auto;flex-grow:1;max-width:300px;background-color:#fff;padding:6px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;display:flex;align-items:center;justify-content:space-between;gap:4px}.filter-btn{padding:8px 16px;border-radius:var(--radius-full);border:none;background-color:transparent;color:var(--color-text-light);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;flex:1;text-align:center;white-space:nowrap}.filter-btn:hover{background-color:#0000000d;color:var(--color-text-dark)}.filter-btn.active{background-color:var(--color-primary);color:#fff;box-shadow:0 2px 4px #e6002333}.notes-empty{text-align:center;padding-top:20vh;color:var(--color-text-light);font-size:16px}@media(max-width:600px){.filter-container-header{max-width:none;overflow-x:auto;justify-content:flex-start;scrollbar-width:none;-ms-overflow-style:none}.filter-container-header::-webkit-scrollbar{display:none}}.note-detail-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:3000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease;cursor:zoom-out}.note-detail-container{width:100%;max-width:600px;min-height:400px;max-height:80vh;border-radius:24px;box-shadow:0 20px 50px #0003;display:flex;flex-direction:column;padding:32px;position:relative;cursor:default;animation:zoomIn .3s cubic-bezier(.16,1,.3,1);overflow-y:auto}.note-detail-actions{display:flex;justify-content:flex-end;gap:12px;margin-bottom:20px}.note-action-btn{width:40px;height:40px;border-radius:50%;border:none;background-color:#0000000d;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;transition:background-color .2s}.note-action-btn:hover{background-color:#0000001a}.note-action-btn.delete-btn{color:#ef4444}.note-action-btn.close-btn{color:#666;font-size:24px}.note-detail-content{flex-grow:1;display:flex;align-items:center;justify-content:center;text-align:center;margin-bottom:32px}.note-big-text{font-size:24px;font-weight:500;line-height:1.6;color:#333;white-space:pre-wrap;font-family:inherit}.note-detail-footer{border-top:1px solid rgba(0,0,0,.1);padding-top:20px}.note-author-info{display:flex;align-items:center;gap:12px}.note-avatar{width:48px;height:48px;background-color:#0000001a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#555;font-size:20px}.note-author-name{font-weight:700;font-size:16px;color:#222;text-transform:capitalize}.note-date-detail{font-size:13px;color:#666}@media(max-width:600px){.note-detail-container{padding:24px;min-height:50vh}.note-big-text{font-size:20px}}.pin-detail-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:3000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease;cursor:zoom-out}.pin-detail-container{background-color:#fff;border-radius:32px;box-shadow:0 20px 50px #00000080;display:flex;max-width:900px;width:100%;max-height:90vh;overflow:hidden;cursor:default;animation:zoomIn .3s cubic-bezier(.16,1,.3,1)}.pin-detail-image-wrapper{flex:1;background-color:#000;display:flex;align-items:center;justify-content:center;position:relative;min-height:400px}.pin-detail-image{width:100%;height:100%;object-fit:contain;max-height:90vh}.pin-detail-info{width:350px;padding:32px;display:flex;flex-direction:column;background-color:#fff;position:relative;overflow-y:auto}.pin-detail-close-btn{position:absolute;top:20px;right:20px;background:#0000000d;border:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;transition:background .2s;z-index:10}.pin-detail-close-btn:hover{background:#0000001a}.pin-detail-title{font-size:28px;font-weight:700;color:var(--color-text-dark);margin-top:20px;margin-bottom:8px;line-height:1.2}.pin-detail-author{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid #eee}.author-avatar-placeholder{width:48px;height:48px;background-color:#eee;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#666;font-size:20px}.author-name{font-weight:600;font-size:16px;color:var(--color-text-dark)}.pin-detail-date{font-size:14px;color:#888;margin-top:auto}@media(max-width:768px){.pin-detail-container{flex-direction:column;border-radius:16px;max-height:95vh}.pin-detail-image-wrapper{min-height:auto;flex:none;height:50vh}.pin-detail-info{width:100%;flex:1;padding:20px}.pin-detail-title{font-size:22px;margin-top:10px}}@keyframes zoomIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.nostalgia-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff0f5e6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:3000;display:flex;align-items:center;justify-content:center;animation:fadeIn .5s ease}.nostalgia-container{background:#fff;padding:32px;border-radius:24px;box-shadow:0 20px 60px #e6002326;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;text-align:center;display:flex;flex-direction:column;align-items:center;position:relative;border:1px solid #fff0f5}.nostalgia-header{margin-bottom:24px}.nostalgia-title{font-size:28px;font-weight:800;background:linear-gradient(45deg,#ff9a9e,#fecfef 99%,#fecfef);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}.nostalgia-subtitle{color:#888;font-size:14px}.nostalgia-close-btn{position:absolute;top:20px;right:20px;font-size:28px;color:#ccc;cursor:pointer;background:none;border:none;transition:color .2s}.nostalgia-close-btn:hover{color:#666}.memory-grid{display:flex;gap:32px;width:100%;align-items:center;justify-content:center;margin-bottom:32px;flex-wrap:wrap}.memory-photo-card{background:#fff;padding:16px 16px 40px;box-shadow:0 10px 20px #0000001a;transform:rotate(-2deg);transition:transform .3s ease;max-width:350px;width:100%;cursor:pointer}.memory-photo-card:hover{transform:rotate(0) scale(1.02);z-index:10}.memory-img{width:100%;aspect-ratio:1;object-fit:cover;background-color:#eee;border:1px solid #eee}.memory-date{font-family:Courier New,monospace;color:#666;margin-top:16px;font-size:14px}.memory-note-card{background-color:#fff9c4;padding:24px;width:300px;min-height:300px;box-shadow:0 10px 20px #0000001a;transform:rotate(2deg);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;position:relative;transition:transform .3s ease}.memory-note-card:hover{transform:rotate(0) scale(1.02);z-index:10}.pin-tape{position:absolute;top:-15px;left:50%;transform:translate(-50%);width:100px;height:30px;background-color:#fff9;box-shadow:0 2px 4px #0000001a}.note-text{font-family:Caveat,cursive,sans-serif;font-size:24px;color:#444;line-height:1.4}.shuffle-btn{background-color:var(--color-primary);color:#fff;border:none;padding:12px 32px;border-radius:var(--radius-full);font-weight:600;font-size:16px;cursor:pointer;box-shadow:0 4px 12px #e509144d;transition:all .2s ease;display:flex;align-items:center;gap:8px}.shuffle-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #e5091466}.shuffle-btn:active{transform:scale(.95)}@media(max-width:768px){.nostalgia-container{padding:16px}.memory-grid{flex-direction:row;align-items:stretch;gap:12px;margin-bottom:24px}.memory-photo-card,.memory-note-card{transform:rotate(0);width:48%;min-height:auto;padding:12px}.memory-photo-card{padding-bottom:30px}.memory-note-card{padding:16px;font-size:14px;display:flex;align-items:center;width:48%}.note-text{font-size:16px}.memory-date{font-size:10px;margin-top:8px}}.edit-pin-page{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:16px 16px 90px;background-color:var(--color-bg-secondary)}.edit-pin-header{position:absolute;top:20px;left:20px;z-index:10}.edit-pin-logo{background-color:#fff;padding:10px 20px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;font-weight:700;color:var(--color-primary);font-size:20px;letter-spacing:-.5px}.edit-pin-card{width:100%;max-width:800px;background-color:var(--color-bg);padding:24px;border-radius:var(--radius-xl);box-shadow:0 4px 12px #0000001a;margin-top:40px;display:flex;flex-direction:column}.edit-pin-title-container{text-align:center;margin-bottom:20px}.edit-pin-title{font-size:22px;font-weight:700;color:var(--color-primary);margin:0}.edit-pin-content-wrapper{display:flex;flex-direction:row;gap:24px;align-items:flex-start}.edit-pin-preview{flex:1;display:flex;justify-content:center;align-items:center;background-color:transparent}.edit-pin-image{width:100%;max-width:250px;max-height:350px;border-radius:12px;box-shadow:0 4px 12px #0000001a;object-fit:cover}.edit-pin-form{flex:1.5;display:flex;flex-direction:column;justify-content:center}.form-group{margin-bottom:16px}.edit-pin-page .form-label{margin-bottom:6px}.edit-pin-page .form-textarea{height:80px}.edit-pin-actions{display:flex;gap:12px;margin-top:12px}.edit-pin-cancel-btn{flex:1;padding:12px;border-radius:8px;border:1px solid #ddd;background:#fff;font-weight:600;color:#666;cursor:pointer;transition:all .2s}.edit-pin-cancel-btn:hover{background:#f5f5f5}.edit-pin-save-btn{flex:1;background-color:var(--color-primary);color:#fff;padding:12px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;box-shadow:0 4px 6px #e6002333;transition:background-color .2s}.edit-pin-save-btn:hover:not(:disabled){background-color:#ad081b}.edit-pin-save-btn:disabled{opacity:.6;cursor:not-allowed}@media(max-width:600px){.edit-pin-content-wrapper{flex-direction:row;align-items:stretch;gap:16px}.edit-pin-card{padding:16px;margin-top:60px}.edit-pin-image{max-width:120px;max-height:200px;object-fit:cover}.edit-pin-preview{flex:0 0 120px}.edit-pin-title{font-size:18px}.form-label{font-size:12px}.form-input,.form-textarea{font-size:13px;padding:8px}.edit-pin-cancel-btn,.edit-pin-save-btn{padding:10px;font-size:13px}}@media(max-width:380px){.edit-pin-content-wrapper{flex-direction:column}.edit-pin-preview{flex:unset;width:100%}.edit-pin-image{max-width:100%;max-height:250px}}.bottom-nav-container{position:fixed;bottom:0;left:0;width:100%;display:flex;justify-content:center;pointer-events:none;padding-bottom:24px;z-index:100}.bottom-nav{pointer-events:auto;background-color:var(--color-bg);border-radius:var(--radius-full);padding:8px 16px;display:flex;gap:24px;box-shadow:0 4px 12px #00000026}.nav-item{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--color-text-light);transition:background-color var(--transition-speed),color var(--transition-speed)}.nav-item:hover,.nav-item.active{color:var(--color-text-dark)}.nav-avatar{width:24px;height:24px;background-color:var(--color-bg-secondary);border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700}.logo-tab{background-color:var(--color-bg);padding:12px 24px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;border-right:1px solid #eee;border-bottom:1px solid #eee}.logo-text{font-size:24px;font-weight:700;color:var(--color-primary);letter-spacing:-.5px}.home-page{padding-top:80px;padding-bottom:100px;min-height:100vh}.home-header{position:fixed;top:10px;left:0;width:100%;padding:0 10px;box-sizing:border-box;z-index:1000;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.header-left,.header-right{pointer-events:auto;display:flex;align-items:center;gap:10px}.header-btn,.push-btn{background-color:#fff;width:48px;height:48px;border-radius:50%;border:none;box-shadow:0 4px 12px #00000026;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s;pointer-events:auto}.push-btn{font-size:12px;width:auto;padding:0 16px;border-radius:24px;font-weight:600;color:#e11d48}.header-btn:hover,.push-btn:hover{transform:scale(1.1)}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0000004d;z-index:2000}.notification-sidebar{position:fixed;top:0;right:-320px;width:320px;height:100%;background:#fff;box-shadow:-2px 0 10px #0000001a;z-index:2001;transition:right .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.notification-sidebar.open{right:0}.sidebar-header{padding:20px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.sidebar-header 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#00000026;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--color-primary);white-space:nowrap;font-size:24px;letter-spacing:-.5px}.upload-toggle-wrapper{background-color:#fff;padding:6px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;display:flex;gap:4px}.toggle-btn{padding:8px 16px;border-radius:var(--radius-full);font-weight:600;font-size:14px;border:none;background-color:transparent;color:var(--color-text-light);cursor:pointer;transition:all .2s;white-space:nowrap}.toggle-btn.active{background-color:var(--color-primary);color:#fff;box-shadow:0 2px 4px #e6002333}.upload-card{width:100%;max-width:450px;background-color:var(--color-bg);padding:24px;border-radius:var(--radius-xl);box-shadow:0 4px 12px #0000001a;margin-top:20px}.upload-header{text-align:center;margin-bottom:24px}.upload-title{font-size:24px;font-weight:700;color:var(--color-primary);margin-bottom:8px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:500;color:var(--color-text-dark);margin-bottom:8px}.form-input,.form-textarea{display:block;width:100%;padding:12px;border:1px solid #ddd;border-radius:8px;font-size:14px;background-color:#fafafa;transition:border-color .2s,box-shadow .2s;outline:none;font-family:inherit}.form-input:focus,.form-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #e600231a}.form-textarea{resize:none;height:120px}.file-input-wrapper input[type=file]{display:block;width:100%;font-size:14px;color:var(--color-text-light)}.file-input-wrapper input[type=file]::file-selector-button{margin-right:16px;padding:8px 16px;border-radius:var(--radius-full);border:none;font-size:12px;font-weight:600;background-color:#e600231a;color:var(--color-primary);cursor:pointer;transition:background-color .2s}.file-input-wrapper input[type=file]::file-selector-button:hover{background-color:#e6002333}.note-input-container{padding:16px;border-radius:12px;margin-bottom:20px;transition:background-color .3s ease;border:1px solid rgba(0,0,0,.05)}.note-textarea-unified{width:100%;min-height:150px;background-color:transparent;border:none;font-size:16px;color:#333;resize:none;outline:none;font-family:inherit;line-height:1.5}.note-textarea-unified::placeholder{color:#0006}.color-picker-container{margin-bottom:24px}.color-options{display:flex;gap:12px;flex-wrap:wrap}.color-btn{width:32px;height:32px;border-radius:50%;border:2px solid white;cursor:pointer;transition:transform .2s;box-shadow:0 2px 4px #0000001a}.color-btn:hover{transform:scale(1.1)}.color-btn.active{transform:scale(1.15);border-color:#333;box-shadow:0 0 0 2px #0000001a}.upload-btn{width:100%;background-color:var(--color-primary);color:#fff;padding:14px;border-radius:8px;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:background-color .2s,transform .1s;box-shadow:0 4px 6px #e6002333}.upload-btn:hover:not(:disabled){background-color:#ad081b;box-shadow:0 6px 8px #e600234d}.upload-btn:active:not(:disabled){transform:translateY(1px)}.upload-btn:disabled{opacity:.6;cursor:not-allowed;background-color:var(--color-text-light);box-shadow:none}.search-page{padding-top:80px;padding-bottom:100px;min-height:100vh}.search-header{position:fixed;top:10px;left:10px;right:10px;z-index:1000;display:flex;align-items:center;gap:10px}.search-logo{background-color:#fff;padding:12px 24px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--color-primary);white-space:nowrap;font-size:24px;letter-spacing:-.5px}.search-date-wrapper{flex-grow:1;max-width:200px;background-color:#fff;padding:8px 16px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;display:flex;align-items:center;gap:8px}.search-icon{font-size:18px}.search-date-input{width:100%;border:none;background-color:transparent;padding:4px 0;font-family:inherit;font-size:14px;color:var(--color-text-dark);outline:none;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.search-date-input::-webkit-calendar-picker-indicator{display:none;-webkit-appearance:none}.search-empty{text-align:center;padding-top:20vh;color:var(--color-text-light);font-size:16px}.search-empty p{margin-bottom:8px}.collections-page{padding-top:80px;padding-bottom:100px;min-height:100vh}.collections-header{position:fixed;top:10px;left:10px;right:10px;z-index:1000;display:flex;justify-content:flex-start;align-items:center;gap:10px;pointer-events:none}.collections-logo{pointer-events:auto;background-color:#fff;padding:12px 24px;border-radius:var(--radius-full);box-shadow:0 4px 12px #00000026;display:flex;align-items:center;font-weight:700;color:var(--color-primary);font-size:24px;letter-spacing:-.5px}.create-collection-btn{pointer-events:auto;background-color:var(--color-primary);color:#fff;border:none;padding:12px 24px;border-radius:var(--radius-full);font-weight:600;font-size:14px;cursor:pointer;box-shadow:0 4px 12px #e509144d;transition:transform .2s ease,box-shadow .2s ease;display:flex;align-items:center;gap:8px}.create-collection-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #e5091466}.create-collection-btn:active{transform:scale(.95)}.logout-btn{pointer-events:auto;margin-left:auto;background-color:#fff;color:#666;border:1px solid #ddd;width:48px;height:48px;padding:0;border-radius:50%;cursor:pointer;box-shadow:0 4px 12px #0000000d;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.logout-btn:hover{background-color:#f9f9f9;color:#d32f2f;box-shadow:0 6px 16px #0000001a;transform:translateY(-2px);border-color:#ffcccb}.logout-btn svg{width:20px;height:20px}.logout-btn:active{transform:scale(.95)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease}.modal-container{background-color:#fff;width:100%;max-width:500px;max-height:90vh;border-radius:24px;box-shadow:0 20px 50px #0003;display:flex;flex-direction:column;animation:slideUp .3s ease;overflow:hidden}.modal-header{padding:20px 24px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:20px;font-weight:700;color:var(--color-text-dark)}.close-btn{background:none;border:none;font-size:24px;color:var(--color-text-light);cursor:pointer;padding:4px;border-radius:50%;transition:background-color .2s}.close-btn:hover{background-color:#0000000d;color:var(--color-text-dark)}.modal-body{padding:24px;overflow-y:auto;display:flex;flex-direction:column;gap:20px}.modal-footer{padding:16px 24px;border-top:1px solid #eee;display:flex;justify-content:flex-end;gap:12px}.cancel-btn{background:none;border:none;padding:10px 20px;border-radius:24px;font-weight:600;color:var(--color-text-light);cursor:pointer;transition:background-color .2s}.cancel-btn:hover{background-color:#f0f0f0}.save-btn{background-color:var(--color-primary);color:#fff;border:none;padding:10px 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img{width:100%;height:100%;object-fit:cover}.selectable-photo.selected{border-color:var(--color-primary);transform:scale(.95)}.selectable-photo.selected:after{content:"✓";position:absolute;top:4px;right:4px;background-color:var(--color-primary);color:#fff;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.date-filter-row{display:flex;align-items:center;gap:8px}.filter-input{padding:6px 12px;border:1px solid #ddd;border-radius:8px;font-size:12px}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.collections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;padding:0 16px;max-width:1200px;margin:0 auto}.detail-modal-container .masonry-grid{padding:16px;column-width:200px!important}@media(max-width:600px){.detail-modal-container .masonry-grid{column-count:2!important;column-width:auto!important;gap:8px;padding:8px}}.collection-card{cursor:pointer;transition:transform .2s ease}.collection-card:hover{transform:scale(1.02)}.collection-preview{background-color:#f0f0f0;border-radius:16px;overflow:hidden;aspect-ratio:1 / 1;margin-bottom:8px;position:relative;border:1px solid rgba(0,0,0,.05)}.preview-collage{width:100%;height:100%;display:flex;gap:1px}.collage-left{width:66%;height:100%}.collage-right{width:34%;height:100%;display:flex;flex-direction:column;gap:1px}.collage-img{width:100%;height:100%;object-fit:cover}.collage-right .collage-img{height:50%}.preview-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:#eee;color:#aaa}.collection-info-title{font-size:18px;font-weight:700;color:var(--color-text-dark);margin-bottom:2px}.collection-info-subtitle{font-size:12px;color:var(--color-text-light)}.detail-modal-container{width:90%;height:90%;max-width:1200px;max-height:90vh}.empty-collection-view{text-align:center;padding:40px;color:var(--color-text-light)}.detail-modal-container .pin-card{max-width:100%}.collection-add-btn{background-color:var(--color-primary);border:none;cursor:pointer;font-size:16px;padding:8px 16px;border-radius:20px;color:#fff;font-weight:700;display:flex;align-items:center;gap:4px;transition:transform .2s;white-space:nowrap}.collection-add-btn:hover{transform:scale(1.05)}@media(max-width:600px){.collection-add-btn .add-text{display:none}.collection-add-btn{padding:8px;border-radius:50%;width:36px;height:36px;justify-content:center}}.landing-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--color-bg-primary);color:var(--color-text-dark);text-align:center;padding:40px 20px;position:relative;overflow:hidden}.landing-page:before{content:"";position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:#ffb6c133;border-radius:50%;filter:blur(80px);z-index:0}.landing-page:after{content:"";position:absolute;bottom:-50px;left:-50px;width:300px;height:300px;background:#e600231a;border-radius:50%;filter:blur(60px);z-index:0}.landing-content{z-index:1;max-width:600px;width:100%}.landing-title{font-size:48px;font-weight:800;color:var(--color-primary);margin-bottom:16px;letter-spacing:-1px}.landing-subtitle{font-size:18px;color:var(--color-text-light);line-height:1.6;margin-bottom:40px}.landing-hero-container{position:relative;width:300px;height:350px;margin:-40px auto 40px;display:flex;align-items:center;justify-content:center}.landing-card{position:absolute;width:200px;height:260px;background-color:#fff;border-radius:16px;box-shadow:0 10px 30px #00000026;display:flex;align-items:center;justify-content:center;overflow:hidden;border:4px solid white;transition:transform .3s ease}.landing-card img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}.landing-card:hover{z-index:10;transform:scale(1.05) rotate(0)!important}.card-back{transform:rotate(-15deg) translate(-20px,10px);z-index:1;background-color:#f8f8f8}.card-front{transform:rotate(10deg) translate(20px,-10px);z-index:2}.landing-placeholder{color:#ddd;font-weight:500;font-size:14px}.landing-heart{position:absolute;top:20px;right:40px;z-index:2000;background-color:#fff;border-radius:50%;padding:8px;box-shadow:0 4px 10px #0000001a;display:flex;align-items:center;justify-content:center;transform:rotate(15deg)}.landing-heart svg{display:block}.landing-button{display:inline-block;background-color:var(--color-primary);color:#fff;padding:16px 48px;border-radius:var(--radius-full);font-size:18px;font-weight:600;text-decoration:none;transition:transform .2s,background-color .2s,box-shadow .2s;box-shadow:0 4px 14px #e600234d}.landing-button:hover{background-color:#ad081b;transform:translateY(-2px);box-shadow:0 6px 20px #e6002366}.landing-button:active{transform:translateY(0)}:root{--color-primary: #e60023;--color-text-dark: #111111;--color-text-light: #5f5f5f;--color-bg: #ffffff;--color-bg-primary: #fff0f3;--color-bg-secondary: #e9e9e9;--radius-xl: 16px;--radius-full: 9999px;--transition-speed: .2s;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,Helvetica,ヒラギノ角ゴ Pro W3,Hiragino Kaku Gothic Pro,メイリオ,Meiryo,ＭＳ Ｐゴシック,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{scrollbar-gutter:stable}body{background-color:var(--color-bg);color:var(--color-text-dark);-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{border:none;background:none;cursor:pointer;font-family:inherit}.spinner{width:40px;height:40px;border:3px solid rgba(230,0,35,.1);border-radius:50%;border-top-color:var(--color-primary);animation:spin .8s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.page-loader{display:flex;justify-content:center;align-items:center;width:100%;height:50vh}.container{max-width:1400px;margin:0 auto;padding:0 16px}.btn-primary{background-color:var(--color-primary);color:#fff;padding:12px 24px;border-radius:var(--radius-full);font-weight:600;transition:background-color var(--transition-speed)}.btn-primary:hover{background-color:#ad081b}.icon-button{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-speed)}.icon-button:hover{background-color:var(--color-bg-secondary)}