:root{--ai-accent:#0284c7;--ai-accent-soft:#0284c71a;--ai-accent-medium:#0284c733;--ai-bg:#fafafa;--ai-text-primary:#18181b;--ai-text-secondary:#3f3f46;--ai-text-muted:#71717a;--ai-surface:#fff;--ai-surface-hover:#f4f4f5;--ai-border:#e4e4e7;--ai-border-light:#f4f4f5;--ai-success:#16a34a;--ai-error:#dc2626;--ai-shadow-sm:0 1px 2px #0000000a;--ai-shadow-md:0 2px 8px #0000000f;--ai-shadow-lg:0 4px 16px #00000014;--ai-radius-sm:6px;--ai-radius-md:10px;--ai-radius-lg:14px;--ai-radius-xl:20px;--ai-radius-full:9999px;--ai-font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", sans-serif}@media (prefers-color-scheme:dark){:root{--ai-accent:#38bdf8;--ai-accent-soft:#38bdf81f;--ai-accent-medium:#38bdf83d;--ai-bg:#09090b;--ai-text-primary:#fafafa;--ai-text-secondary:#d4d4d8;--ai-text-muted:#a1a1aa;--ai-surface:#18181b;--ai-surface-hover:#27272a;--ai-border:#3f3f46;--ai-border-light:#27272a;--ai-shadow-sm:0 1px 2px #0003;--ai-shadow-md:0 2px 8px #0000004d;--ai-shadow-lg:0 4px 16px #0006}}.ai-theme{font-family:var(--ai-font-sans);background:var(--ai-bg);min-height:100vh;color:var(--ai-text-primary);line-height:1.6}.ai-container{max-width:720px;margin:0 auto;padding:1rem 1rem 8rem;position:relative}@media (width>=640px){.ai-container{padding:1.5rem 1.5rem 8rem}}.ai-card{background:var(--ai-surface);border-radius:var(--ai-radius-lg);border:1px solid var(--ai-border-light);box-shadow:var(--ai-shadow-md);transition:transform var(--ai-transition-fast), box-shadow var(--ai-transition-fast)}.ai-card:hover{box-shadow:var(--ai-shadow-lg)}.ai-glass{-webkit-backdrop-filter:blur(12px);background:#fffc}@media (prefers-color-scheme:dark){.ai-glass{background:#1e293bcc}}.ai-copy-toast{background:linear-gradient(135deg, var(--ai-primary) 0%, var(--ai-secondary) 100%);color:#fff;border-radius:var(--ai-radius-full);box-shadow:var(--ai-shadow-lg), var(--ai-glow-primary);z-index:1000;padding:.75rem 1.5rem;font-weight:600;animation:.3s toastIn,.3s 1.7s forwards toastOut;position:fixed;top:1rem;left:50%;transform:translate(-50%)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%)translateY(-20px)}to{opacity:1;transform:translate(-50%)translateY(0)}}@keyframes toastOut{0%{opacity:1;transform:translate(-50%)translateY(0)}to{opacity:0;transform:translate(-50%)translateY(-20px)}}.ai-memo-section{cursor:pointer;margin:1rem 0}.ai-memo-card{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-lg);padding:1rem 1.25rem;transition:all .3s}.ai-memo-card:hover{border-color:var(--ai-primary-light);box-shadow:var(--ai-shadow-md)}.ai-memo-header{color:var(--ai-primary);margin-bottom:.5rem;font-size:.875rem;font-weight:600}.ai-btn-memo{background:var(--ai-surface);border:2px dashed var(--ai-border);border-radius:var(--ai-radius-lg);width:100%;color:var(--ai-text-muted);cursor:pointer;justify-content:center;align-items:center;gap:.5rem;margin:1rem 0;padding:.875rem;font-size:.875rem;transition:all .3s;display:flex}.ai-btn-memo:hover{border-color:var(--ai-primary);color:var(--ai-primary);background:#6366f10d}.ai-add-step-form{margin:1.5rem 0;animation:.3s slideDown}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.ai-header{text-align:center;margin-bottom:1.5rem;padding:1.5rem;position:relative;overflow:hidden}.ai-header:before{content:"";background:radial-gradient(#6366f114 0%,#0000 50%);width:200%;height:200%;animation:8s ease-in-out infinite pulse-bg;position:absolute;top:-50%;left:-50%}@keyframes pulse-bg{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.ai-header-content{z-index:1;position:relative}.ai-nav-row{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.ai-back-btn{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);color:var(--ai-text-secondary);cursor:pointer;transition:all var(--ai-transition-fast);align-items:center;gap:.375rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;display:inline-flex}.ai-back-btn:hover{background:var(--ai-surface-hover);color:var(--ai-primary);border-color:var(--ai-primary-light)}.ai-share-btn{background:var(--ai-surface);border:1px solid var(--ai-border);width:40px;height:40px;color:var(--ai-text-secondary);cursor:pointer;transition:all var(--ai-transition-fast);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.ai-share-btn:hover{background:var(--ai-primary);border-color:var(--ai-primary);color:#fff;transform:scale(1.05)}.ai-title-wrap{margin-bottom:1rem}.ai-title{border-radius:var(--ai-radius-md);cursor:pointer;transition:all var(--ai-transition-fast);color:var(--ai-text-primary);background:0 0;border:2px dashed #0000;margin:0;padding:.5rem 1rem;font-size:1.75rem;font-weight:700;display:inline-block}.ai-title:hover:not(:disabled){background:var(--ai-surface-hover);border-color:var(--ai-border)}.ai-title:disabled{cursor:default}.ai-title-input{text-align:center;border:2px solid var(--ai-primary);border-radius:var(--ai-radius-md);background:var(--ai-surface);width:100%;max-width:500px;color:var(--ai-text-primary);padding:.5rem 1rem;font-family:inherit;font-size:1.75rem;font-weight:700}.ai-title-input:focus{outline:none;box-shadow:0 0 0 3px #6366f126}.ai-trip-icon{margin-bottom:.5rem;font-size:2.5rem;display:block}.ai-copy-toast{background:var(--ai-text-primary);color:#fff;border-radius:var(--ai-radius-md);z-index:1000;padding:.75rem 1.5rem;font-size:.875rem;font-weight:500;animation:.3s toast-in;position:fixed;top:1rem;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(-10px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.ai-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:4rem 2rem;display:flex}.ai-empty-illustration{margin-bottom:1.5rem;position:relative}.ai-empty-plane{font-size:4rem;animation:3s ease-in-out infinite ai-float}.ai-empty-dots{justify-content:center;gap:.5rem;margin-top:.5rem;display:flex}.ai-empty-dots span{background:var(--ai-accent);border-radius:50%;width:6px;height:6px;animation:1.5s infinite ai-bounce}.ai-empty-dots span:nth-child(2){animation-delay:.2s}.ai-empty-dots span:nth-child(3){animation-delay:.4s}@keyframes ai-float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes ai-bounce{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-6px)}}.ai-empty-title{color:var(--ai-text-primary);margin:0 0 .5rem;font-size:1.125rem;font-weight:600}.ai-empty-text{color:var(--ai-text-muted);margin:0;font-size:.875rem}.ai-timeline{flex-direction:column;gap:2rem;padding-bottom:6rem;display:flex}.ai-date-section{animation:.4s backwards ai-fadeSlideIn;animation-delay:var(--group-delay,0s)}@keyframes ai-fadeSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.ai-date-header{border-bottom:1px solid var(--ai-border);align-items:center;gap:.75rem;margin-bottom:1rem;padding-bottom:.75rem;display:flex}.ai-day-badge-container{flex-shrink:0}.ai-day-badge{color:#fff;background:#0284c7;border-radius:1rem;justify-content:center;align-items:center;padding:.375rem .875rem;font-size:.75rem;font-weight:600;display:inline-flex}.ai-date-info{flex-direction:column;gap:.125rem;display:flex}.ai-date-text{color:var(--ai-text-primary);font-size:.9375rem;font-weight:500}.ai-date-count{color:var(--ai-text-secondary);font-size:.75rem}.ai-steps-list{flex-direction:column;gap:.75rem;display:flex}.ai-step{animation:.3s backwards ai-stepSlideIn;animation-delay:calc(var(--group-delay,0s) + var(--step-delay,0s))}@keyframes ai-stepSlideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.ai-step-card{gap:.875rem;display:flex;position:relative}.ai-step-timeline-marker{flex-direction:column;flex-shrink:0;align-items:center;width:40px;display:flex}.ai-step-time-icon{background:var(--ai-surface);border:1px solid var(--ai-border);z-index:1;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.125rem;transition:all .2s;display:flex}.ai-step-card:hover .ai-step-time-icon{border-color:var(--ai-accent)}.ai-step-current .ai-step-time-icon{border-color:var(--ai-accent);background:var(--ai-accent);animation:2s infinite ai-pulse}@keyframes ai-pulse{0%,to{box-shadow:0 0 #0ea5e94d}50%{box-shadow:0 0 0 6px #0ea5e900}}.ai-step-connector{background:var(--ai-border);flex:1;width:1px;min-height:20px;margin-top:4px}.ai-step-card-content{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-lg);flex:1;padding:1rem;transition:all .2s;position:relative}.ai-step-card:hover .ai-step-card-content{border-color:var(--ai-accent)}.ai-step-current .ai-step-card-content{border-color:var(--ai-accent);background:#0ea5e90a}.ai-step-secret .ai-step-card-content{background:var(--ai-surface);border-style:dashed}.ai-step-current-badge{background:var(--ai-accent);color:#fff;text-transform:uppercase;letter-spacing:.03em;border-radius:.75rem;align-items:center;gap:.25rem;padding:.25rem .5rem;font-size:.625rem;font-weight:600;display:flex;position:absolute;top:-8px;right:1rem}.ai-pulse-dot{background:#fff;border-radius:50%;width:5px;height:5px;animation:1s infinite ai-pulseDot}@keyframes ai-pulseDot{0%,to{opacity:1}50%{opacity:.3}}.ai-step-card-header{align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.ai-step-time-badge{color:#0369a1;background:#0ea5e91f;border-radius:.25rem;padding:.25rem .5rem;font-size:.75rem;font-weight:600}.ai-step-category-icon{font-size:1rem}.ai-step-secret-badge{margin-left:auto;font-size:.875rem}.ai-step-title{color:var(--ai-text-primary);margin:0 0 .5rem;font-size:1rem;font-weight:600;line-height:1.4}h2.ai-step-title{font-size:1rem}.ai-step-location{color:var(--ai-text-secondary);align-items:center;gap:.375rem;margin-bottom:.5rem;font-size:.875rem;display:flex}.ai-location-icon{color:var(--ai-accent);font-size:.875rem}.ai-step-notes{color:var(--ai-text-secondary);background:var(--ai-surface-hover);border-radius:var(--ai-radius-md);margin-top:.5rem;padding:.75rem;font-size:.875rem;line-height:1.6}.ai-step-notes p{margin:0 0 .5rem}.ai-step-notes p:last-child{margin-bottom:0}.ai-step-actions{border-top:1px solid var(--ai-border-light);gap:.5rem;margin-top:.75rem;padding-top:.75rem;display:flex}.ai-btn-action{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-sm);width:32px;height:32px;color:var(--ai-text-secondary);cursor:pointer;justify-content:center;align-items:center;padding:0;transition:all .2s;display:flex}.ai-btn-action:hover{background:var(--ai-accent);border-color:var(--ai-accent);color:#fff}.ai-btn-action-danger:hover{background:#ef4444;border-color:#ef4444}.ai-step-editing{background:var(--ai-surface);border:2px solid var(--ai-accent);border-radius:var(--ai-radius-lg);padding:1.25rem}@media (prefers-reduced-motion:reduce){.ai-date-section,.ai-step,.ai-empty-plane,.ai-empty-dots span,.ai-step-current .ai-step-time-icon,.step-card{animation:none}}.step-card{background:var(--ai-surface);border-radius:var(--ai-radius-lg);box-shadow:var(--ai-shadow-sm);animation:.5s backwards ai-stepSlideIn;animation-delay:var(--delay);border:1px solid var(--ai-border);gap:1rem;padding:1rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative}.step-card:hover{box-shadow:var(--ai-shadow-md);border-color:var(--ai-accent);transform:translateY(-2px)}.step-card.current{border-color:var(--ai-accent);background:#0ea5e90a}.step-time-icon{background:var(--ai-bg);border-radius:var(--ai-radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.step-content{flex:1;min-width:0}.step-header{align-items:center;gap:.5rem;margin-bottom:.25rem;display:flex}.step-time{color:#0369a1;font-size:.875rem;font-weight:600}.step-category-icon{font-size:1rem}.step-title{color:var(--ai-text-primary);margin:0;font-size:1rem;font-weight:600;line-height:1.4}h2.step-title{font-size:1rem}.step-note{color:var(--ai-text-muted);text-overflow:ellipsis;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin:.5rem 0 0;font-size:.875rem;line-height:1.5;display:-webkit-box;overflow:hidden}.current-indicator{background:var(--ai-accent);color:#fff;text-transform:uppercase;letter-spacing:.05em;border-radius:1rem;align-items:center;gap:.25rem;padding:.25rem .5rem;font-size:.625rem;font-weight:700;display:flex;position:absolute;top:.5rem;right:.5rem}.current-dot{background:#fff;border-radius:50%;width:6px;height:6px;animation:1s infinite ai-currentPulse}@keyframes ai-currentPulse{0%,to{opacity:1}50%{opacity:.4}}.hero{margin-bottom:1.5rem;padding:1.5rem 1rem 1.25rem;position:relative}.hero-back{background:var(--ai-surface);border:1px solid var(--ai-border);width:40px;height:40px;color:var(--ai-text-secondary);cursor:pointer;z-index:10;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex;position:absolute;top:1rem;left:.5rem}.hero-back:hover{background:var(--ai-text-primary);color:var(--ai-surface);border-color:var(--ai-text-primary);transform:scale(1.05)}.hero-content{text-align:center;flex-direction:column;align-items:center;padding-top:.5rem;display:flex}.hero-emoji{margin-bottom:.5rem;font-size:2.5rem}.hero-title{color:var(--ai-text-primary);letter-spacing:-.02em;margin:0;font-size:1.5rem;font-weight:700;line-height:1.3}.hero-date{color:var(--ai-text-secondary);background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:2rem;margin-top:.5rem;padding:.375rem .875rem;font-size:.8125rem;font-weight:500;display:inline-block}@media (width>=768px){.hero{padding:2rem 1.5rem 1.5rem}.hero-back{left:1rem}.hero-emoji{font-size:3rem}.hero-title{font-size:1.75rem}}.trip-progress{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-lg);margin-bottom:1.5rem;padding:1rem 1.25rem}.trip-countdown{text-align:center;padding:.75rem 0}.countdown-icon{margin-bottom:.25rem;font-size:2rem}.countdown-text{color:var(--ai-accent);font-size:1.5rem;font-weight:700}.countdown-subtext{color:var(--ai-text-muted);margin-top:.125rem;font-size:.8125rem}.trip-active{justify-content:space-between;align-items:center;padding:.5rem 0;display:flex}.active-badge{color:#fff;border-radius:var(--ai-radius-full);background:#0284c7;align-items:center;gap:.375rem;padding:.375rem .75rem;font-size:.8125rem;font-weight:600;display:inline-flex}.pulse-dot{background:#fff;border-radius:50%;width:6px;height:6px;animation:1.5s infinite ai-pulse}.active-day{color:var(--ai-text-primary);font-size:1rem;font-weight:600}.trip-completed{text-align:center;padding:.75rem 0}.completed-icon{margin-bottom:.125rem;font-size:1.75rem}.completed-text{color:var(--ai-success);font-size:1.125rem;font-weight:600}.progress-bar-container{background:var(--ai-border);border-radius:3px;height:6px;margin-top:1rem;position:relative;overflow:hidden}.progress-bar{background:var(--ai-accent);border-radius:3px;height:100%;transition:width .4s;position:absolute;top:0;left:0}.progress-markers{display:none}.progress-label{text-align:center;color:var(--ai-text-secondary);margin-top:.5rem;font-size:.75rem}.floating-container{z-index:1000;flex-direction:column;align-items:center;gap:.625rem;display:flex;position:fixed;bottom:5rem;right:1rem}.fab{cursor:pointer;border:none;justify-content:center;align-items:center;transition:all .2s;display:flex}.fab-main{background:var(--ai-text-primary);width:52px;height:52px;color:var(--ai-bg);box-shadow:var(--ai-shadow-lg);border-radius:50%}.fab-main:hover{transform:scale(1.05)}.fab-main:active{transform:scale(.98)}.fab-main.active .fab-icon{transform:rotate(45deg)}.fab-icon{transition:transform .2s;display:flex}.fab-menu{flex-direction:column;gap:.5rem;animation:.2s ai-slideUp;display:flex}@keyframes ai-slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fab-option{background:var(--ai-surface);width:44px;height:44px;color:var(--ai-text-primary);border:1px solid var(--ai-border);box-shadow:var(--ai-shadow-md);border-radius:50%}.fab-option:hover{background:var(--ai-text-primary);color:var(--ai-bg);border-color:var(--ai-text-primary)}.fab-secondary{background:var(--ai-surface);width:40px;height:40px;color:var(--ai-text-secondary);border:1px solid var(--ai-border);box-shadow:var(--ai-shadow-sm);border-radius:50%}.fab-secondary:hover{color:var(--ai-text-primary);border-color:var(--ai-text-primary)}.scroll-top{animation:.2s ai-fadeIn}@keyframes ai-fadeIn{0%{opacity:0}to{opacity:1}}.particle-container{pointer-events:none;z-index:-1;position:fixed;inset:0;overflow:hidden}.particle{background:var(--ai-accent);opacity:.15;border-radius:50%;animation:linear infinite ai-particleFloat;position:absolute}@keyframes ai-particleFloat{0%{opacity:0;transform:translateY(100vh)}10%{opacity:.15}90%{opacity:.15}to{opacity:0;transform:translateY(-50px)}}@media (prefers-reduced-motion:reduce){.particle{opacity:.08;animation:none}}.ai-form{padding:1.5rem}.ai-form-title{color:var(--ai-primary);align-items:center;gap:.5rem;margin:0 0 1rem;font-size:1rem;font-weight:600;display:flex}.ai-form-grid{flex-direction:column;gap:.875rem;display:flex}.ai-input,.ai-textarea,.ai-select{border:1.5px solid var(--ai-border);border-radius:var(--ai-radius-md);background:var(--ai-surface);width:100%;color:var(--ai-text-primary);transition:all var(--ai-transition-fast);padding:.75rem 1rem;font-family:inherit;font-size:.9375rem}.ai-input:focus,.ai-textarea:focus,.ai-select:focus{border-color:var(--ai-primary);outline:none;box-shadow:0 0 0 3px #6366f11f}.ai-input::-moz-placeholder{color:var(--ai-text-muted)}.ai-textarea::-moz-placeholder{color:var(--ai-text-muted)}.ai-input::placeholder,.ai-textarea::placeholder{color:var(--ai-text-muted)}.ai-textarea{resize:vertical;min-height:80px}.ai-datetime-row{grid-template-columns:1fr auto;align-items:center;gap:.75rem;display:grid}.ai-time-picker{background:var(--ai-surface);border:1.5px solid var(--ai-border);border-radius:var(--ai-radius-md);align-items:center;gap:.25rem;padding:.5rem;display:flex}.ai-time-select{border:1px solid var(--ai-border-light);border-radius:var(--ai-radius-sm);background:var(--ai-surface-hover);color:var(--ai-text-primary);cursor:pointer;min-width:52px;padding:.375rem .5rem;font-family:inherit;font-size:.9375rem}.ai-time-select:focus{border-color:var(--ai-primary);outline:none}.ai-time-sep{color:var(--ai-text-muted);font-weight:700}.ai-form-actions{gap:.75rem;margin-top:.5rem;display:flex}@media (width<=480px){.ai-datetime-row{grid-template-columns:1fr}.ai-form-actions{flex-direction:column}}.add-step-form{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-lg);padding:1.5rem;animation:.3s ai-formSlideIn}@keyframes ai-formSlideIn{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.form-header{border-bottom:1px solid var(--ai-border);align-items:center;gap:.75rem;margin-bottom:1.25rem;padding-bottom:1rem;display:flex}.form-icon{font-size:1.25rem}.form-title{color:var(--ai-text-primary);margin:0;font-size:1rem;font-weight:600}.form-grid{flex-direction:column;gap:1rem;display:flex}.form-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.form-field{flex-direction:column;gap:.375rem;display:flex}.form-label{color:var(--ai-text-secondary);align-items:center;gap:.25rem;font-size:.8125rem;font-weight:500;display:flex}.label-icon{font-size:.875rem}.label-hint{color:var(--ai-text-muted);background:#0ea5e914;border-radius:.25rem;margin-left:auto;padding:.125rem .375rem;font-size:.6875rem;font-weight:400}.required{color:var(--ai-accent)}.form-input,.form-textarea{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);width:100%;color:var(--ai-text-primary);padding:.75rem;font-family:inherit;font-size:.9375rem;transition:border-color .2s}.form-input:focus,.form-textarea:focus{border-color:var(--ai-accent);outline:none}.form-input::-moz-placeholder{color:var(--ai-text-muted)}.form-textarea::-moz-placeholder{color:var(--ai-text-muted)}.form-input::placeholder,.form-textarea::placeholder{color:var(--ai-text-muted)}.form-textarea{resize:vertical;min-height:80px}.time-picker{align-items:center;gap:.25rem;display:flex}.time-select{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);color:var(--ai-text-primary);cursor:pointer;flex:1;padding:.75rem .5rem;font-family:inherit;font-size:.9375rem;transition:border-color .2s}.time-select:focus{border-color:var(--ai-accent);outline:none}.time-sep{color:var(--ai-text-muted);font-size:1rem;font-weight:600}.form-actions{border-top:1px solid var(--ai-border);gap:.75rem;margin-top:1.25rem;padding-top:1rem;display:flex}.form-actions .btn{border-radius:var(--ai-radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-family:inherit;font-size:.9375rem;font-weight:500;transition:all .2s;display:inline-flex}.form-actions .btn-primary{background:var(--ai-accent);color:#fff;flex:1}.form-actions .btn-primary:hover{background:var(--ai-accent-dark)}.form-actions .btn-secondary{background:var(--ai-surface-hover);color:var(--ai-text-secondary)}.form-actions .btn-secondary:hover{background:var(--ai-border);color:var(--ai-text-primary)}@media (width<=480px){.form-row{grid-template-columns:1fr}}.ai-btn{border-radius:var(--ai-radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-family:inherit;font-size:.9375rem;font-weight:600;transition:all .2s;display:inline-flex}.ai-btn:disabled{opacity:.5;cursor:not-allowed}.ai-btn-primary{background:var(--ai-accent);color:#fff}.ai-btn-primary:hover:not(:disabled){background:var(--ai-accent-dark)}.ai-btn-secondary{background:var(--ai-surface-hover);color:var(--ai-text-secondary)}.ai-btn-secondary:hover:not(:disabled){background:var(--ai-border);color:var(--ai-text-primary)}.ai-btn-ghost{color:var(--ai-text-secondary);background:0 0;padding:.5rem}.ai-btn-ghost:hover{background:var(--ai-surface-hover);color:var(--ai-accent)}.ai-btn-icon{border-radius:var(--ai-radius-sm);background:var(--ai-surface-hover);width:32px;height:32px;color:var(--ai-text-secondary);cursor:pointer;border:none;justify-content:center;align-items:center;padding:0;font-size:1rem;transition:all .2s;display:flex}.ai-btn-icon:hover{background:var(--ai-border);color:var(--ai-text-primary)}.ai-btn-icon-danger:hover{color:#ef4444;background:#ef44441a}.ai-btn-add{background:var(--ai-surface);border:1px dashed var(--ai-border);border-radius:var(--ai-radius-md);width:100%;color:var(--ai-text-muted);cursor:pointer;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-size:.9375rem;font-weight:500;transition:all .2s;display:flex}.ai-btn-add:hover:not(:disabled){border-color:var(--ai-accent);color:var(--ai-accent)}.ai-btn-add:disabled{opacity:.5;cursor:not-allowed}.ai-btn-add-icon{font-size:1.25rem;font-weight:300}.ai-overlay{z-index:1000;background:#0006;justify-content:center;align-items:center;padding:1rem;animation:.2s ai-overlayIn;display:flex;position:fixed;inset:0}@keyframes ai-overlayIn{0%{opacity:0}to{opacity:1}}.ai-dialog{background:var(--ai-surface);border-radius:var(--ai-radius-lg);width:100%;max-width:400px;max-height:80vh;padding:1.5rem;animation:.2s ai-scaleIn;overflow-y:auto;box-shadow:0 4px 24px #00000026}.ai-dialog-editor{flex-direction:column;width:min(92vw,900px);max-width:900px;height:min(78vh,760px);max-height:760px;display:flex;overflow:hidden}.ai-dialog-editor .ai-memo-dialog-content{flex-direction:column;flex:1;min-height:0;display:flex}.ai-dialog-editor .ai-memo-textarea,.ai-dialog-editor .ai-memo-preview{resize:none;flex:1;min-height:0}@media (width<=767px){.ai-overlay:has(.ai-dialog-editor){padding:max(.5rem, env(safe-area-inset-top)) max(.5rem, env(safe-area-inset-right)) max(.5rem, env(safe-area-inset-bottom)) max(.5rem, env(safe-area-inset-left))}.ai-dialog-editor{width:100%;max-width:none;height:100%;max-height:none;padding:1rem}.ai-dialog-editor .ai-memo-textarea{font-size:16px}}@keyframes ai-scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.ai-dialog-title{color:var(--ai-text-primary);margin:0 0 1rem;font-size:1.125rem;font-weight:600}.ai-dialog-actions{gap:.75rem;margin-top:.5rem;display:flex}.ai-share-options{flex-direction:column;gap:.75rem;display:flex}.ai-share-option{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);cursor:pointer;text-align:left;flex-direction:column;gap:.25rem;padding:1rem;transition:all .2s;display:flex}.ai-share-option:hover{border-color:var(--ai-accent);background:#0ea5e90a}.ai-share-option-title{color:var(--ai-text-primary);font-size:.9375rem;font-weight:600}.ai-share-option-desc{color:var(--ai-text-muted);font-size:.8125rem}.ai-memo-dialog-content{flex-direction:column;gap:1rem;display:flex}.ai-memo-tabs{background:var(--ai-surface-hover);border-radius:var(--ai-radius-md);gap:.25rem;padding:.25rem;display:flex}.ai-memo-tab{border-radius:var(--ai-radius-sm);color:var(--ai-text-muted);cursor:pointer;background:0 0;border:none;flex:1;padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:all .2s}.ai-memo-tab.active{background:var(--ai-surface);color:var(--ai-accent);box-shadow:0 1px 3px #0000001a}.ai-memo-textarea{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);width:100%;min-height:200px;color:var(--ai-text-primary);resize:vertical;padding:1rem;font-family:inherit;font-size:.875rem}.ai-memo-textarea:focus{border-color:var(--ai-accent);outline:none}.ai-memo-preview{background:var(--ai-surface-hover);border-radius:var(--ai-radius-md);min-height:200px;padding:1rem;overflow-y:auto}.ai-memo-content h1,.ai-memo-content h2,.ai-memo-content h3{color:var(--ai-text-primary);margin:1rem 0 .5rem}.ai-memo-content h1:first-child,.ai-memo-content h2:first-child,.ai-memo-content h3:first-child{margin-top:0}.ai-memo-content a:hover{text-decoration:underline}.ai-memo-readonly{background:var(--ai-surface-hover);border-radius:var(--ai-radius-md);padding:1rem}.ai-memo-empty{color:var(--ai-text-muted);text-align:center}.ai-dialog-actions-spaced{margin-top:1.5rem}.ai-btn-full{flex:1}.ai-bottom-nav{background:var(--ai-surface);border-top:1px solid var(--ai-border);z-index:100;padding-bottom:env(safe-area-inset-bottom);position:fixed;bottom:0;left:0;right:0}.ai-nav-content{justify-content:space-around;max-width:500px;margin:0 auto;padding:.5rem 0;display:flex}.ai-nav-item{cursor:pointer;color:var(--ai-text-secondary);border-radius:var(--ai-radius-md);background:0 0;border:none;flex-direction:column;align-items:center;gap:.25rem;padding:.5rem 1rem;transition:color .2s;display:flex}.ai-nav-item:hover,.ai-nav-item.active{color:#0369a1}.ai-nav-icon{font-size:1.25rem}.ai-nav-label{color:var(--ai-text-secondary);font-size:.6875rem;font-weight:500}.ai-settings-panel{background:var(--ai-surface);padding:1rem 1.5rem 2rem;padding-bottom:calc(2rem + env(safe-area-inset-bottom));z-index:200;border-radius:1.5rem 1.5rem 0 0;max-height:80vh;animation:.3s ai-navSlideUp;position:fixed;bottom:0;left:0;right:0;overflow-y:auto;box-shadow:0 -4px 20px #0000001a}@keyframes ai-navSlideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.ai-settings-handle{background:var(--ai-border);border-radius:2px;width:40px;height:4px;margin:0 auto 1rem}.ai-settings-title{color:var(--ai-text-primary);margin:0 0 1.25rem;font-size:1.125rem;font-weight:600}.ai-settings-section{margin-bottom:1.25rem}.ai-settings-label{color:var(--ai-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem;font-size:.75rem;font-weight:600;display:block}.ai-theme-grid{grid-template-columns:repeat(2,1fr);gap:.5rem;display:grid}.ai-theme-option{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);cursor:pointer;text-align:center;padding:.75rem;transition:all .2s}.ai-theme-option:hover:not(:disabled){border-color:var(--ai-accent)}.ai-theme-option.selected{border-color:var(--ai-accent);background:#0ea5e914}.ai-theme-option:disabled{opacity:.5;cursor:not-allowed}.ai-theme-name{color:var(--ai-text-primary);font-size:.875rem;font-weight:500}.ai-toggle-row{background:var(--ai-surface-hover);border-radius:var(--ai-radius-md);justify-content:space-between;align-items:center;margin-bottom:.5rem;padding:.75rem;display:flex}.ai-toggle-info{flex-direction:column;gap:.125rem;display:flex}.ai-toggle-title{color:var(--ai-text-primary);font-size:.875rem;font-weight:500}.ai-toggle-desc{color:var(--ai-text-muted);font-size:.75rem}.ai-toggle{background:var(--ai-border);cursor:pointer;border:none;border-radius:12px;width:44px;height:24px;transition:background .2s;position:relative}.ai-toggle:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;position:absolute;top:2px;left:2px}.ai-toggle.on{background:var(--ai-accent)}.ai-toggle.on:after{transform:translate(20px)}.ai-select{background:var(--ai-surface);border:1px solid var(--ai-border);border-radius:var(--ai-radius-md);width:100%;color:var(--ai-text-primary);cursor:pointer;padding:.75rem;font-size:.875rem}.ai-select:focus{border-color:var(--ai-accent);outline:none}.ai-overlay-settings{z-index:150;background:#0000004d}.ai-secret-timing-section{margin-bottom:.75rem;padding:0 .75rem}.ai-settings-label-spaced,.ai-input-spaced{margin-bottom:.5rem}.ai-btn-close{margin-top:.5rem}.ai-memo-section{margin-bottom:1.5rem}.ai-memo-card{cursor:pointer;transition:all var(--ai-transition-fast);padding:1rem 1.25rem}.ai-memo-card:hover{transform:translateY(-2px)}.ai-memo-header{color:var(--ai-primary);align-items:center;gap:.5rem;margin-bottom:.75rem;font-size:.875rem;font-weight:600;display:flex}.ai-memo-content{color:var(--ai-text-secondary);font-size:.9375rem;line-height:1.7}.ai-memo-content h1,.ai-memo-content h2,.ai-memo-content h3{color:var(--ai-text-primary);margin-top:1rem;margin-bottom:.5rem}.ai-memo-content h1{font-size:1.25rem}.ai-memo-content h2{font-size:1.125rem}.ai-memo-content h3{font-size:1rem}.ai-memo-content ul,.ai-memo-content ol{margin:.75rem 0;padding-left:1.5rem}.ai-memo-content li{margin:.25rem 0}.ai-memo-content input[type=checkbox]{accent-color:var(--ai-primary);margin-right:.5rem}.ai-memo-content a{color:var(--ai-primary);text-decoration:underline}.ai-memo-content strong{color:var(--ai-text-primary);font-weight:600}.ai-memo-content code{background:var(--ai-surface-active);border-radius:var(--ai-radius-sm);padding:.125rem .375rem;font-family:SF Mono,Monaco,monospace;font-size:.875em}.ai-memo-content blockquote{border-left:3px solid var(--ai-primary-light);background:var(--ai-surface-hover);border-radius:0 var(--ai-radius-sm) var(--ai-radius-sm) 0;margin:.75rem 0;padding:.5rem 1rem}.ai-memo-empty{text-align:center;color:var(--ai-text-muted);cursor:pointer;transition:all var(--ai-transition-fast);padding:1.5rem;font-size:.875rem}.ai-memo-empty:hover{background:var(--ai-surface-hover);color:var(--ai-text-secondary)}.ai-memo-dialog-content{min-height:200px}.ai-memo-textarea{border:1.5px solid var(--ai-border);border-radius:var(--ai-radius-md);resize:vertical;background:var(--ai-surface);width:100%;min-height:300px;color:var(--ai-text-primary);padding:1rem;font-family:inherit;font-size:.9375rem;line-height:1.7}.ai-memo-textarea:focus{border-color:var(--ai-primary);outline:none;box-shadow:0 0 0 3px #6366f11f}.ai-memo-preview{background:var(--ai-surface-hover);border-radius:var(--ai-radius-md);min-height:100px;padding:1rem}.ai-memo-tabs{gap:.5rem;margin-bottom:1rem;display:flex}.ai-memo-tab{border:1.5px solid var(--ai-border);border-radius:var(--ai-radius-md);color:var(--ai-text-secondary);cursor:pointer;transition:all var(--ai-transition-fast);background:0 0;padding:.5rem 1rem;font-size:.875rem;font-weight:500}.ai-memo-tab:hover{background:var(--ai-surface-hover)}.ai-memo-tab.active{background:var(--ai-primary);border-color:var(--ai-primary);color:#fff}