:root{--blue:#6cb4ee;--red:#ff3b30;--green:#34c759;--orange:#ff9500;--purple:#af52de;--gray:#8e8e93;--gray-bg:#8e8e930d;--gray-border:#8e8e9333;--bg:#fff;--text:#000;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{-webkit-user-select:none;user-select:none;width:100%;max-width:500px;min-height:100dvh;margin:0 auto}input,textarea,select,button{font:inherit}input,textarea{-webkit-user-select:text;user-select:text;touch-action:manipulation}.lock-screen,.login-view{flex-direction:column;justify-content:center;align-items:center;min-height:100dvh;padding:20px;display:flex}.lock-icon{margin-bottom:24px;font-size:60px}.lock-icon.pulse{animation:2.5s ease-in-out infinite lockPulse}@keyframes lockPulse{0%,to{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}.lock-title{margin-bottom:24px;font-size:22px;font-weight:700}.lock-input{text-align:center;letter-spacing:8px;border:1px solid #ddd;border-radius:10px;outline:none;width:260px;padding:12px 16px;font-size:16px}.lock-input:focus{border-color:var(--blue)}.lock-error{color:var(--red);margin-top:8px;font-size:13px}.login-icon{margin-bottom:16px;font-size:60px}.login-title{margin-bottom:24px;font-size:22px;font-weight:700}.login-form{flex-direction:column;gap:12px;width:100%;max-width:300px;display:flex}.login-input{border:1px solid #ddd;border-radius:10px;outline:none;width:100%;padding:12px 16px;font-size:16px}.login-input:focus{border-color:var(--blue)}.login-input:disabled{color:var(--gray);background:#f5f5f5}.login-btn{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;max-width:200px;margin:4px auto 0;padding:12px;font-size:17px;font-weight:600}.login-btn:disabled{background:var(--gray);cursor:not-allowed}.login-error{color:var(--red);text-align:center;padding:4px 0;font-size:13px}.login-toggle{color:var(--blue);cursor:pointer;background:0 0;border:none;margin-top:12px;font-size:15px}.tab-bar{background:var(--bg);border-top:1px solid var(--gray-border);width:100%;max-width:500px;padding-bottom:var(--safe-bottom);z-index:100;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tab-item{color:var(--gray);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:2px;padding:8px 0;font-size:10px;text-decoration:none;display:flex}.tab-item.active{color:var(--blue)}.tab-icon{align-items:center;height:28px;font-size:24px;display:flex}.tab-content{padding-bottom:calc(60px + var(--safe-bottom));min-height:100dvh}.calendar-page{min-height:100dvh}.calendar-nav{background:var(--bg);z-index:10;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.calendar-nav h1{font-size:17px;font-weight:600}.calendar-heart-btn{color:var(--red);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;font-size:15px;display:flex}.month-header{justify-content:space-between;align-items:center;padding:0 16px 8px;display:flex}.month-header span{font-weight:600}.month-label-clickable{cursor:pointer;border-radius:6px;padding:4px 8px;transition:background .15s}.month-label-clickable:active{background:var(--gray-bg)}.month-header button{color:var(--blue);cursor:pointer;background:0 0;border:none;padding:4px 12px;font-size:18px}.weekday-header{grid-template-columns:repeat(7,1fr);margin-bottom:4px;padding:0 8px;display:grid}.weekday-header span{text-align:center;color:var(--gray);font-size:12px;font-weight:600}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:4px;padding:0 8px;display:grid}.day-cell{aspect-ratio:1;cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:15px;display:flex;position:relative}.day-cell.today{background:var(--blue);color:#fff;font-weight:700}.day-cell.selected{box-shadow:inset 0 0 0 2px var(--blue);color:var(--blue);font-weight:600}.day-cell .dot{background:var(--blue);border-radius:50%;width:5px;height:5px;position:absolute;bottom:2px;right:2px}.day-cell.selected .dot{background:var(--blue)}.day-cell.today .dot{background:#fff}.week-header{border-bottom:1px solid var(--gray-border);justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.week-back{color:var(--blue);cursor:pointer;background:0 0;border:none;padding:2px 0;font-size:14px}.week-today{border:1px solid var(--blue);color:var(--blue);cursor:pointer;background:0 0;border-radius:14px;padding:3px 12px;font-size:13px}.week-add{cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:18px}.week-row{border-bottom:1px solid var(--gray-border);grid-template-columns:repeat(7,1fr);gap:4px;padding:8px 8px 4px;display:grid}.month-header-btn{color:var(--blue);cursor:pointer;background:0 0;border:none;padding:4px 12px;font-size:18px}.entry-list{padding:16px}.heart-summary-card{color:var(--red);cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex;background:#ff3b300f!important;border-color:#ff3b3026!important}.heart-summary-icon{font-size:18px}.heart-detail{margin-top:8px}.heart-detail-header{border-bottom:1px solid var(--gray-border);justify-content:space-between;align-items:center;margin-bottom:8px;padding:0 4px 8px;font-size:15px;font-weight:600;display:flex}.heart-detail-close{color:var(--gray);cursor:pointer;background:0 0;border:none;padding:2px 6px;font-size:16px}.heart-detail-list{flex-direction:column;gap:6px;display:flex}.heart-detail-row{background:var(--gray-bg);border:1px solid var(--gray-border);border-radius:10px;align-items:center;gap:10px;padding:8px 12px;display:flex}.heart-detail-idx{font-size:14px}.heart-detail-time{font-variant-numeric:tabular-nums;font-size:15px}.entry-empty{text-align:center;color:var(--gray);padding:40px 0}.entry-card{background:var(--gray-bg);border:1px solid var(--gray-border);border-radius:15px;margin-bottom:12px;padding:16px}.entry-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.entry-date{color:var(--gray);font-size:12px}.entry-hearts{color:var(--red);align-items:center;gap:4px;font-size:12px;display:flex}.entry-delete{color:var(--gray);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:14px}.entry-delete:active{background:var(--gray-bg);color:var(--red)}.entry-text{max-height:60px;line-height:1.6;position:relative;overflow:hidden}.entry-text:not(.expanded):after{content:"";background:linear-gradient(transparent, var(--gray-bg));height:24px;position:absolute;bottom:0;left:0;right:0}.entry-text-compact{max-height:16px}.entry-text-compact:not(.expanded):after{height:16px}.entry-text.expanded{max-height:none}.entry-expand-hint{text-align:center;color:var(--blue);padding-top:6px;font-size:12px}.entry-image-row{gap:6px;margin-bottom:4px;display:flex}.entry-image-thumb{object-fit:cover;border-radius:8px;flex-shrink:0;width:56px;height:56px}.image-preview-overlay{z-index:400;background:#000000b3;justify-content:center;align-items:center;width:100%;max-width:500px;height:100%;display:flex;position:fixed;top:0;left:50%;transform:translate(-50%)}.image-preview-img{object-fit:contain;border-radius:8px;max-width:90%;max-height:80%}.entry-audio{background:var(--gray-bg);color:var(--gray);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:inline-flex}.entry-audio:active{background:#8e8e931f}.entry-audio-icon{font-size:15px}.entry-audio-track{background:#8e8e9333;border-radius:2px;width:120px;height:3px;overflow:hidden}.entry-audio-progress{background:var(--blue);border-radius:2px;height:100%}.audio-player{align-items:center;gap:10px;padding:8px 0;display:flex}.audio-player-icon{text-align:center;flex-shrink:0;width:28px;font-size:22px}.audio-player-track{background:var(--gray-border);border-radius:2px;flex:1;height:4px;overflow:hidden}.audio-player-progress{background:var(--blue);border-radius:2px;height:100%;transition:width .2s linear}.audio-player-time{color:var(--gray);font-variant-numeric:tabular-nums;text-align:right;flex-shrink:0;min-width:32px;font-size:12px}.create-page{flex-direction:column;min-height:100dvh;display:flex}.create-nav{border-bottom:1px solid var(--gray-border);justify-content:center;align-items:center;padding:12px 16px;display:flex;position:relative}.create-nav h1{color:var(--text);font-size:16px;font-weight:400}.create-publish{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:14px;padding:5px 16px;font-size:14px;font-weight:500;position:absolute;right:16px}.create-publish:disabled{background:var(--gray);cursor:not-allowed}.type-picker{background:var(--gray-bg);border-radius:10px;gap:0;margin:16px 16px 0;display:flex;overflow:hidden}.type-picker button{color:var(--gray);cursor:pointer;background:0 0;border:none;flex:1;padding:10px 0;font-size:14px;font-weight:600;transition:color .2s,background .2s;position:relative}.type-picker button+button:before{content:"";background:var(--gray-border);width:1px;height:50%;position:absolute;top:25%;left:0}.type-picker button.active{background:var(--blue);color:#fff}.type-picker button.active+button:before{opacity:0}.create-body{flex:1;padding:16px;overflow-y:auto}.create-textarea{resize:none;background:0 0;border:none;outline:none;width:100%;min-height:60vh;padding:0;font-family:inherit;font-size:17px;line-height:1.8}.create-image-grid{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.create-image-thumb{aspect-ratio:1;border-radius:10px;width:calc(33.33% - 6px);position:relative;overflow:hidden}.create-image-thumb img{object-fit:cover;width:100%;height:100%}.create-image-remove{color:#fff;cursor:pointer;background:#00000080;border:none;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;display:flex;position:absolute;top:4px;right:4px}.create-image-picker{border:2px dashed var(--gray-border);cursor:pointer;color:var(--blue);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:4px;font-size:32px;display:flex}.create-image-picker.compact{aspect-ratio:1;width:calc(33.33% - 6px)}.create-image-picker span{font-size:12px}.create-image-preview{object-fit:contain;border-radius:10px;width:100%;max-height:300px;margin-bottom:12px}.create-audio-circle{cursor:pointer;color:#fff;border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;margin:0 auto 8px;font-size:40px;transition:background .2s;display:flex}.create-audio-circle.recording{background:var(--red)}.create-audio-circle.idle{background:var(--blue)}.create-audio-time{font-size:22px;font-weight:700}.create-audio-label{text-align:center;color:var(--gray);margin-bottom:16px;font-size:12px}.create-audio-saved{color:var(--green);justify-content:center;align-items:center;gap:6px;margin-bottom:12px;font-size:13px;display:flex}.settings-page{min-height:100dvh}.settings-nav{border-bottom:1px solid var(--gray-border);padding:12px 16px}.settings-nav h1{font-size:17px;font-weight:600}.pin-reminder-banner{color:var(--orange);cursor:pointer;background:#ff95001a;border:1px solid #ff95004d;border-radius:10px;justify-content:space-between;align-items:center;margin:12px 16px 0;padding:10px 16px;font-size:13px;display:flex}.pin-reminder-close{color:var(--gray);cursor:pointer;background:0 0;border:none;padding:2px 6px;font-size:14px}.settings-section{margin:20px 16px 0}.settings-section-title{color:var(--gray);text-transform:uppercase;margin-bottom:8px;padding-left:4px;font-size:12px}.settings-item{background:var(--gray-bg);border:1px solid var(--gray-border);align-items:center;margin-bottom:-1px;padding:12px;display:flex}.settings-item:first-child{border-radius:12px 12px 0 0}.settings-item:last-child{border-radius:0 0 12px 12px;margin-bottom:0}.settings-item:only-child{border-radius:12px}.settings-icon{flex-shrink:0;width:30px;font-size:20px}.settings-label{flex:1}.settings-sublabel{color:var(--gray);font-size:12px}.settings-action{color:var(--blue);cursor:pointer;background:0 0;border:none;font-size:14px}.copy-toast{color:#fff;z-index:500;pointer-events:none;background:#0009;border-radius:8px;padding:8px 20px;font-size:14px;animation:1.5s forwards toast-fade;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes toast-fade{0%{opacity:1}70%{opacity:1}to{opacity:0}}.settings-chevron{color:var(--gray);font-size:14px}.settings-logout{width:100%;color:var(--red);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:16px;display:flex}.friends-page{min-height:100dvh}.friends-page-nav{border-bottom:1px solid var(--gray-border);background:var(--bg);z-index:10;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.friends-page-nav h1{font-size:17px;font-weight:600}.invite-compact{align-items:center;gap:8px;display:flex}.invite-compact-code{letter-spacing:3px;color:var(--blue);font-size:15px;font-weight:700}.invite-compact-copy,.invite-compact-regen{cursor:pointer;border:none;border-radius:8px;padding:4px 10px;font-size:12px}.invite-compact-copy{background:var(--blue);color:#fff}.invite-compact-regen{border:1px solid var(--gray-border);color:var(--gray);background:0 0}.friends-page-tabs{border-bottom:1px solid var(--gray-border);padding:0 8px;display:flex}.friends-page-tab{color:var(--gray);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:10px 4px;font-size:14px}.friends-page-tab.active{color:var(--blue);border-bottom-color:var(--blue)}.friends-page-body{padding:16px}.friend-item-arrow{color:var(--gray);margin-left:auto;font-size:18px}.friends-add-section{flex-direction:column;display:flex}.friends-overlay{background:var(--bg);z-index:300;width:100%;max-width:500px;height:100%;position:fixed;top:0;left:50%;overflow-y:auto;transform:translate(-50%)}.friends-header{border-bottom:1px solid var(--gray-border);background:var(--bg);z-index:1;align-items:center;gap:12px;padding:12px 16px;display:flex;position:sticky;top:0}.friends-header h1{font-size:17px;font-weight:600}.friends-back{color:var(--blue);cursor:pointer;background:0 0;border:none;font-size:14px}.friends-tabs{border-bottom:1px solid var(--gray-border);padding:0 8px;display:flex}.friends-tab{color:var(--gray);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:10px 4px;font-size:13px;position:relative}.friends-tab.active{color:var(--blue);border-bottom-color:var(--blue)}.friends-badge{background:var(--red);color:#fff;border-radius:8px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:10px;display:flex;position:absolute;top:4px;right:8px}.friends-body{padding:0}.friends-section{padding:16px}.friends-empty{text-align:center;color:var(--gray);padding:40px 0}.friends-input-row{gap:8px;display:flex}.friends-input{border:1px solid var(--gray-border);letter-spacing:2px;text-transform:uppercase;border-radius:10px;outline:none;flex:1;padding:10px 12px;font-size:17px}.friends-input:focus{border-color:var(--blue)}.friends-action-btn{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:10px 16px;font-size:14px;font-weight:600}.friends-action-btn:disabled{background:var(--gray);cursor:not-allowed}.friends-error{color:var(--red);margin-top:8px;font-size:13px}.friends-success{color:var(--green);margin-top:8px;font-size:13px}.invite-code-display{text-align:center;letter-spacing:8px;color:var(--blue);padding:24px 0;font-size:32px;font-weight:700}.invite-actions{justify-content:center;gap:12px;display:flex}.invite-btn{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:8px 20px;font-size:14px}.invite-btn.secondary{border:1px solid var(--gray-border);color:var(--gray);background:0 0}.request-item{background:var(--gray-bg);border:1px solid var(--gray-border);border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:12px;display:flex}.request-info{flex-direction:column;gap:2px;display:flex}.request-name{font-size:15px;font-weight:600}.request-date{color:var(--gray);font-size:12px}.request-actions{gap:8px;display:flex}.request-accept{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:5px 14px;font-size:13px}.request-reject{border:1px solid var(--gray-border);color:var(--gray);cursor:pointer;background:0 0;border-radius:8px;padding:5px 14px;font-size:13px}.friend-item{background:var(--gray-bg);border:1px solid var(--gray-border);cursor:pointer;border-radius:12px;align-items:center;gap:12px;margin-bottom:8px;padding:12px;display:flex}.friend-item:active{background:#8e8e931a}.friend-avatar{background:var(--blue);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;font-weight:600;display:flex}.friend-name{flex:1;font-size:15px;font-weight:500}.friend-remove{color:var(--gray);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:14px}.friend-remove:active{color:var(--red)}.friend-diary-body{padding:16px}.friend-day-group{margin-bottom:20px}.friend-day-header{color:var(--text);border-bottom:1px solid var(--gray-border);margin-bottom:10px;padding:0 0 8px;font-size:15px;font-weight:600}.friend-entry-card{background:var(--gray-bg);border:1px solid var(--gray-border);border-radius:15px;margin-bottom:8px;padding:12px 16px}.friend-entry-top{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.friend-entry-time{color:var(--gray);font-size:12px}.friend-entry-type{font-size:14px}.friend-entry-footer{cursor:pointer;padding-top:4px}.friend-entry-toggle{color:var(--blue);font-size:12px}.comment-section{border-top:1px solid var(--gray-border);margin-top:12px;padding-top:10px}.comment-list{flex-direction:column;gap:8px;margin-bottom:10px;display:flex}.comment-item{flex-wrap:wrap;align-items:baseline;gap:6px;font-size:13px;display:flex}.comment-author{color:var(--blue);font-weight:600}.comment-content{min-width:0;color:var(--text);flex:1}.comment-time{color:var(--gray);font-size:11px}.comment-input-row{gap:8px;display:flex}.comment-input{border:1px solid var(--gray-border);border-radius:10px;outline:none;flex:1;padding:8px 12px;font-size:14px}.comment-input:focus{border-color:var(--blue)}.comment-send{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:8px 14px;font-size:13px;font-weight:600}.comment-send:disabled{background:var(--gray);cursor:not-allowed}.modal-overlay{z-index:200;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-sheet{background:#fff;border-radius:16px;width:calc(100% - 32px);max-width:380px;max-height:80dvh;padding:0;overflow-y:auto}.modal-header{border-bottom:1px solid var(--gray-border);justify-content:space-between;align-items:center;padding:16px;display:flex}.modal-header h2{font-size:17px;font-weight:600}.modal-header button{color:var(--blue);cursor:pointer;background:0 0;border:none;font-size:16px}.modal-header button:disabled{color:var(--gray)}.modal-body{padding:16px}.modal-field{margin-bottom:16px}.modal-field label{color:var(--gray);margin-bottom:6px;font-size:13px;display:block}.modal-field input{border:1px solid #ddd;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:16px}.modal-field input:focus{border-color:var(--blue)}.heart-counter{text-align:center;padding:40px 20px var(--safe-bottom)}.heart-counter-icon{margin-bottom:16px;font-size:80px}.heart-counter-title{margin-bottom:8px;font-size:22px;font-weight:700}.heart-counter-number{color:var(--blue);font-variant-numeric:tabular-nums;font-size:60px;font-weight:700}.heart-counter-hint{color:var(--gray);margin-top:16px;font-size:12px}.heart-counter-close{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:10px;margin-top:24px;padding:12px 32px;font-size:17px;font-weight:600}.heart-particles{pointer-events:none;z-index:300;position:fixed;inset:0}.heart-particle{font-size:24px;animation:1.5s ease-out forwards heartFloat;position:absolute}@keyframes heartFloat{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.5)translateY(-80px)}}.alert-overlay{z-index:300;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.alert-box{text-align:center;background:#fff;border-radius:14px;min-width:270px;padding:20px}.alert-title{margin-bottom:8px;font-size:17px;font-weight:600}.alert-message{color:#555;margin-bottom:16px;font-size:13px}.alert-btn{width:100%;color:var(--blue);cursor:pointer;background:0 0;border:none;border-radius:8px;margin-top:4px;padding:10px;font-size:17px}.alert-btn-primary{background:var(--blue);color:#fff}.confirm-actions{gap:12px;margin-top:16px;display:flex}.confirm-actions button{cursor:pointer;border:none;border-radius:8px;flex:1;padding:10px;font-size:15px}.confirm-cancel{color:#000;background:#e5e5ea}.confirm-destructive{background:var(--red);color:#fff}.picker-backdrop{z-index:200;position:fixed;inset:0}.picker-popup{z-index:201;background:#fff;border-radius:14px;width:calc(100% - 32px);max-width:320px;position:fixed;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 8px 30px #00000026}.picker-actions{border-top:1px solid var(--gray-border);display:flex}.picker-actions button{cursor:pointer;background:0 0;border:none;flex:1;padding:12px;font-size:16px}.picker-cancel{color:var(--gray)}.picker-confirm{color:var(--blue);font-weight:600}.picker-body{height:200px;display:flex}.picker-column{scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;flex:1;overflow-y:auto}.picker-column::-webkit-scrollbar{display:none}.picker-item{height:44px;color:var(--gray);cursor:pointer;scroll-snap-align:center;border-radius:8px;justify-content:center;align-items:center;font-size:16px;transition:all .15s;display:flex}.picker-item:active{background:var(--gray-bg)}.picker-item-active{color:var(--text);background:var(--gray-bg);font-size:18px;font-weight:600}