:root{--bg-primary: #f5f0fa;--bg-secondary: #ebe5f3;--bg-card: rgba(255, 255, 255, .75);--bg-card-hover: rgba(255, 255, 255, .9);--bg-glass: rgba(255, 255, 255, .5);--border-glass: rgba(168, 85, 247, .1);--border-highlight: rgba(168, 85, 247, .25);--text-primary: #1e1535;--text-secondary: #5c5270;--text-muted: #9890a8;--accent-purple: #9333ea;--accent-cyan: #0891b2;--accent-green: #16a34a;--accent-amber: #d97706;--accent-red: #dc2626;--accent-pink: #db2777;--gradient-main: linear-gradient(135deg, #9333ea, #0891b2);--gradient-warm: linear-gradient(135deg, #d97706, #dc2626);--gradient-success: linear-gradient(135deg, #16a34a, #0891b2);--gradient-card: linear-gradient(145deg, rgba(168, 85, 247, .06), rgba(6, 182, 212, .04));--shadow-sm: 0 2px 8px rgba(120, 80, 180, .08);--shadow-md: 0 4px 16px rgba(120, 80, 180, .1);--shadow-lg: 0 8px 32px rgba(120, 80, 180, .12);--shadow-glow: 0 0 20px rgba(168, 85, 247, .1);--nav-bg: rgba(245, 240, 250, .9);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-xs: .75rem;--font-sm: .875rem;--font-base: 1rem;--font-lg: 1.125rem;--font-xl: 1.25rem;--font-2xl: 1.5rem;--font-3xl: 2rem;--nav-height: 64px;--safe-area-bottom: env(safe-area-inset-bottom, 0px)}[data-theme=dark]{--bg-primary: #0f0a1e;--bg-secondary: #1a1333;--bg-card: rgba(30, 22, 56, .7);--bg-card-hover: rgba(40, 30, 72, .8);--bg-glass: rgba(255, 255, 255, .05);--border-glass: rgba(255, 255, 255, .08);--border-highlight: rgba(168, 85, 247, .3);--text-primary: #f1f0f5;--text-secondary: #a09bb5;--text-muted: #6b6580;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(168, 85, 247, .15);--nav-bg: rgba(15, 10, 30, .85)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 20%,rgba(168,85,247,.05) 0%,transparent 50%),radial-gradient(circle at 70% 80%,rgba(6,182,212,.04) 0%,transparent 50%);pointer-events:none;z-index:0}#app{position:relative;z-index:1;min-height:100dvh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;padding-bottom:calc(var(--nav-height) + var(--safe-area-bottom) + 8px)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100dvh;gap:var(--space-lg)}.spinner{width:48px;height:48px;border:3px solid var(--border-glass);border-top:3px solid var(--accent-purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all .3s ease}.card:hover{background:var(--bg-card-hover);border-color:var(--border-highlight);box-shadow:var(--shadow-glow)}.card-gradient{background:var(--gradient-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:var(--space-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:14px 28px;border:none;border-radius:var(--radius-md);font-family:var(--font-family);font-size:var(--font-base);font-weight:600;cursor:pointer;transition:all .25s ease;-webkit-tap-highlight-color:transparent;min-height:48px;position:relative;overflow:hidden}.btn:after{content:"";position:absolute;inset:0;background:#fff0;transition:background .25s ease}.btn:active:after{background:#ffffff1a}.btn-primary{background:var(--gradient-main);color:#fff;box-shadow:var(--shadow-md),0 0 20px #a855f733}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 30px #a855f74d}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-glass)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-highlight)}.btn-danger{background:#ef444426;color:var(--accent-red);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:#ef444440}.btn-full{width:100%}.btn-sm{padding:8px 16px;font-size:var(--font-sm);min-height:36px}.input-group{display:flex;flex-direction:column;gap:var(--space-xs)}.input-group label{font-size:var(--font-sm);color:var(--text-secondary);font-weight:500}.input{width:100%;padding:14px 16px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-base);outline:none;transition:border-color .25s ease,box-shadow .25s ease;min-height:48px}.input:focus{border-color:var(--accent-purple);box-shadow:0 0 0 3px #a855f726}.input::placeholder{color:var(--text-muted)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-glass);display:flex;align-items:center;justify-content:space-around;padding:var(--space-sm) 0;padding-bottom:calc(var(--space-sm) + var(--safe-area-bottom));z-index:100;height:calc(var(--nav-height) + var(--safe-area-bottom))}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-xs) var(--space-md);color:var(--text-muted);text-decoration:none;font-size:var(--font-xs);font-weight:500;transition:color .25s ease;-webkit-tap-highlight-color:transparent;cursor:pointer;border:none;background:none;font-family:var(--font-family)}.nav-item.active{color:var(--accent-purple)}.nav-item svg{width:24px;height:24px}.page-header{padding:var(--space-lg) var(--space-md) var(--space-md)}.page-header h1{font-size:var(--font-2xl);font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-header .subtitle{color:var(--text-secondary);font-size:var(--font-sm);margin-top:var(--space-xs)}.page-content{padding:0 var(--space-md);display:flex;flex-direction:column;gap:var(--space-md);animation:fadeSlideUp .35s ease}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.progress-ring-container{display:flex;align-items:center;justify-content:center;position:relative}.progress-ring{transform:rotate(-90deg)}.progress-ring circle{transition:stroke-dashoffset .6s ease}.progress-ring-text{position:absolute;font-size:var(--font-3xl);font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.progress-ring-label{position:absolute;bottom:20%;font-size:var(--font-xs);color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.goal-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);cursor:pointer;transition:all .3s ease;-webkit-tap-highlight-color:transparent;min-height:60px}.goal-item:active{transform:scale(.98)}.goal-item.completed{border-color:#22c55e4d;background:#22c55e14}.goal-icon{font-size:1.5rem;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--bg-card);flex-shrink:0}.goal-label{flex:1;font-weight:500}.goal-check{width:28px;height:28px;border:2px solid var(--border-glass);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all .3s ease;flex-shrink:0}.goal-item.completed .goal-check{background:var(--gradient-success);border-color:transparent}.goal-check svg{width:16px;height:16px;opacity:0;transform:scale(.5);transition:all .3s ease}.goal-item.completed .goal-check svg{opacity:1;transform:scale(1)}.partner-card{padding:var(--space-md)}.partner-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.partner-avatar{width:44px;height:44px;border-radius:50%;background:var(--gradient-main);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-lg);flex-shrink:0}.partner-info h3{font-weight:600;font-size:var(--font-base)}.partner-info .partner-streak{font-size:var(--font-xs);color:var(--text-secondary)}.partner-goals{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:var(--space-xs)}.partner-goal-dot{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:var(--font-sm);background:var(--bg-glass);border:1px solid var(--border-glass);transition:all .3s ease}.partner-goal-dot.done{background:#22c55e26;border-color:#22c55e4d}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-day-label{text-align:center;font-size:var(--font-xs);color:var(--text-muted);font-weight:600;padding:var(--space-xs) 0}.calendar-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:var(--font-sm);font-weight:500;color:var(--text-secondary);position:relative;cursor:pointer;transition:all .2s ease}.calendar-day.today{border:2px solid var(--accent-purple);color:var(--text-primary)}.calendar-day.full{background:var(--gradient-success);color:#fff}.calendar-day.partial{background:#f59e0b33;color:var(--accent-amber)}.calendar-day.empty{color:var(--text-muted)}.calendar-day.future{opacity:.3}.calendar-nav{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) 0}.calendar-nav h3{font-weight:600}.calendar-nav button{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-primary);width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:var(--font-lg);transition:all .2s ease}.calendar-nav button:hover{background:var(--bg-card-hover)}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:var(--space-xl);text-align:center;gap:var(--space-xl)}.welcome-logo{width:96px;height:96px;background:var(--gradient-main);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:800;color:#fff;box-shadow:var(--shadow-lg),0 0 40px #a855f74d;animation:pulse-glow 3s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:var(--shadow-lg),0 0 40px #a855f74d}50%{box-shadow:var(--shadow-lg),0 0 60px #a855f780}}.welcome-title{font-size:var(--font-3xl);font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-desc{color:var(--text-secondary);font-size:var(--font-base);line-height:1.6;max-width:300px}.welcome-actions{display:flex;flex-direction:column;gap:var(--space-md);width:100%;max-width:300px}.welcome-divider{display:flex;align-items:center;gap:var(--space-md);color:var(--text-muted);font-size:var(--font-sm)}.welcome-divider:before,.welcome-divider:after{content:"";flex:1;height:1px;background:var(--border-glass)}.join-input-row{display:flex;gap:var(--space-sm)}.join-input-row .input{text-align:center;text-transform:uppercase;letter-spacing:4px;font-weight:700;font-size:var(--font-xl)}.settings-section{margin-bottom:var(--space-lg)}.settings-section h2{font-size:var(--font-lg);font-weight:700;margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border-glass)}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);margin-bottom:var(--space-sm)}.settings-item-left{display:flex;align-items:center;gap:var(--space-md)}.goal-edit-list{display:flex;flex-direction:column;gap:var(--space-sm)}.goal-edit-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md)}.goal-edit-item .input{background:transparent;border:none;padding:8px 0;min-height:auto}.goal-edit-item .input:focus{box-shadow:none}.delete-btn{background:none;border:none;color:var(--accent-red);cursor:pointer;padding:var(--space-xs);font-size:var(--font-lg);display:flex;align-items:center;justify-content:center;opacity:.6;transition:opacity .2s}.delete-btn:hover{opacity:1}.room-code-display{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-lg);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-lg)}.room-code-text{font-size:var(--font-3xl);font-weight:800;letter-spacing:8px;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.copy-btn{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-secondary);width:40px;height:40px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.copy-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.streak-badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:6px 12px;background:#f59e0b1f;border:1px solid rgba(245,158,11,.2);border-radius:var(--radius-full);font-size:var(--font-sm);font-weight:600;color:var(--accent-amber)}.toast{position:fixed;bottom:calc(var(--nav-height) + var(--safe-area-bottom) + 16px);left:50%;transform:translate(-50%) translateY(100px);background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);color:var(--text-primary);font-weight:500;font-size:var(--font-sm);z-index:200;transition:transform .3s ease;box-shadow:var(--shadow-lg);white-space:nowrap}.toast.show{transform:translate(-50%) translateY(0)}.modal-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:150;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:var(--space-lg);width:100%;max-width:480px;max-height:80vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.modal-header h2{font-size:var(--font-xl);font-weight:700}.modal-close{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-secondary);width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:var(--font-lg)}.emoji-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--space-xs);padding:var(--space-sm) 0}.emoji-option{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:1.5rem;border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;background:var(--bg-glass);transition:all .2s}.emoji-option.selected{border-color:var(--accent-purple);background:#a855f726}.emoji-option:hover{background:var(--bg-card-hover)}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm)}.stat-card{text-align:center;padding:var(--space-md);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md)}.stat-value{font-size:var(--font-2xl);font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:var(--font-xs);color:var(--text-secondary);margin-top:2px}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:var(--space-md)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-glass);border-radius:2px}.day-detail-goals{display:flex;flex-direction:column;gap:var(--space-sm)}.day-detail-goal{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md);background:var(--bg-glass);border-radius:var(--radius-sm)}.day-detail-goal .goal-status{font-size:var(--font-lg)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl) var(--space-lg);text-align:center;color:var(--text-secondary);gap:var(--space-md)}.empty-state-icon{font-size:3rem;opacity:.7}.toggle-switch{position:relative;display:inline-block;width:48px;height:28px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;inset:0;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-full);cursor:pointer;transition:all .3s ease}.toggle-slider:before{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;background:var(--text-muted);border-radius:50%;transition:all .3s ease}.toggle-switch input:checked+.toggle-slider{background:var(--gradient-main);border-color:transparent}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px);background:#fff}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md)}.settings-item-left{display:flex;align-items:center;gap:var(--space-md);font-weight:500}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-md);margin-bottom:var(--space-lg)}.photo-card{border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card);border:1px solid var(--border-glass);box-shadow:var(--shadow-sm)}.photo-img{width:100%;aspect-ratio:1;object-fit:cover;display:block}.photo-label{padding:6px var(--space-sm);font-size:var(--font-xs);color:var(--text-secondary);text-align:center;font-weight:500}.day-photo-container{margin-bottom:var(--space-md);border-radius:var(--radius-md);overflow:hidden}.day-photo{width:100%;max-height:300px;object-fit:cover;display:block;border-radius:var(--radius-md)}