*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg-from:#fce4f3;--bg-to:#e8d5ff;--card-bg:rgba(255,255,255,0.78);--card-border:rgba(255,255,255,0.9);--text-primary:#2d1b4e;--text-secondary:#6b4e8a;--text-muted:#9b7dba;--accent:#c44dff;--accent-hover:#a833e0;--accent-soft:#f3d6ff;--secondary-btn:rgba(255,255,255,0.7);--secondary-btn-border:#d4a8f0;--badge-llm-bg:#d4f7e0;--badge-llm-text:#1a7a40;--badge-fallback-bg:#fff0d4;--badge-fallback-text:#7a5210;--danger:#e05;--radius:20px;--radius-sm:12px;--shadow:0 8px 40px rgba(150,80,200,0.15);--shadow-card:0 4px 24px rgba(150,80,200,0.12);--font:"Segoe UI",system-ui,-apple-system,sans-serif}body,html{min-height:100%}body{font-family:var(--font);background:linear-gradient(135deg,var(--bg-from) 0,var(--bg-to) 100%);background-attachment:fixed;color:var(--text-primary);min-height:100dvh;line-height:1.5;-webkit-font-smoothing:antialiased}.page{max-width:640px;margin:0 auto;padding:2rem 1.25rem 4rem;display:flex;flex-direction:column;gap:1.5rem}.header{text-align:center;padding-top:1rem}.header h1{font-size:clamp(2.4rem,8vw,3.6rem);font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,#c44dff,#7b2fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}.header p{margin-top:.4rem;color:var(--text-secondary);font-size:1rem;font-weight:500}.message-card{background:var(--card-bg);border:1.5px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:2rem 1.75rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);min-height:160px;display:flex;flex-direction:column;gap:1rem;position:relative;overflow:hidden}.message-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.4),rgba(255,255,255,0) 60%);pointer-events:none;border-radius:var(--radius)}.message-text{font-size:clamp(1.05rem,3.5vw,1.25rem);font-weight:600;color:var(--text-primary);line-height:1.6;min-height:80px;display:flex;align-items:center}.message-text.loading{color:var(--text-muted);font-weight:400;font-style:italic}.message-meta{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .65rem;border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase}.badge-llm{background:var(--badge-llm-bg);color:var(--badge-llm-text)}.badge-fallback{background:var(--badge-fallback-bg);color:var(--badge-fallback-text)}.badge-tone{background:var(--accent-soft);color:var(--text-secondary)}.button-row{display:flex;gap:.75rem;flex-wrap:wrap}.btn-primary{flex:1 1;min-width:140px;padding:.875rem 1.5rem;background:linear-gradient(135deg,#c44dff,#7b2fff);color:white;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:700;cursor:pointer;transition:opacity .15s,transform .12s;box-shadow:0 4px 16px rgba(196,77,255,.4);position:relative;overflow:hidden}.btn-primary:hover:not(:disabled){opacity:.92;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.65;cursor:not-allowed}.btn-secondary{padding:.875rem 1.25rem;background:var(--secondary-btn);color:var(--text-secondary);border:1.5px solid var(--secondary-btn-border);border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .15s,transform .12s;white-space:nowrap}.btn-secondary:hover:not(:disabled){background:rgba(255,255,255,.9);transform:translateY(-1px)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-copy{padding:.35rem .75rem;background:transparent;border:1.5px solid var(--secondary-btn-border);border-radius:999px;font-size:.75rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:background .12s;margin-left:auto}.btn-copy:hover{background:var(--accent-soft)}.controls{background:var(--card-bg);border:1.5px solid var(--card-border);border-radius:var(--radius);padding:1.25rem 1.5rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:1rem}.controls h2{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.toggles{display:flex;gap:.6rem;flex-wrap:wrap}.toggle-pill{padding:.45rem 1rem;border-radius:999px;font-size:.85rem;font-weight:600;border:1.5px solid var(--secondary-btn-border);background:transparent;color:var(--text-secondary);cursor:pointer;transition:background .12s,border-color .12s,color .12s;-webkit-user-select:none;-moz-user-select:none;user-select:none}.toggle-pill.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.mode-select{border-radius:var(--radius-sm);border:1.5px solid var(--secondary-btn-border);background:rgba(255,255,255,.7);color:var(--text-primary);font-size:.9rem;font-weight:600;font-family:var(--font);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b4e8a' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .85rem center;padding:.6rem 2.2rem .6rem 1rem;width:100%;max-width:220px}.mode-select:focus{outline:2px solid var(--accent);outline-offset:2px}.section{display:flex;flex-direction:column;gap:.75rem}.section-header{display:flex;align-items:center;justify-content:space-between}.section-header h2{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.section-header button{font-size:.75rem;font-weight:600;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:.15rem .4rem;border-radius:6px;transition:color .12s,background .12s}.section-header button:hover{color:var(--danger);background:rgba(238,0,85,.06)}.message-list{display:flex;flex-direction:column;gap:.5rem}.message-list-item{background:var(--card-bg);border:1px solid rgba(212,168,240,.4);border-radius:var(--radius-sm);padding:.85rem 1rem;font-size:.9rem;color:var(--text-primary);line-height:1.5;display:flex;align-items:flex-start;gap:.75rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.message-list-item .item-text{flex:1 1}.message-list-item .item-time{font-size:.72rem;color:var(--text-muted);white-space:nowrap;padding-top:.1rem}.item-actions{display:flex;gap:.35rem;flex-shrink:0}.item-btn{background:none;border:none;cursor:pointer;font-size:1rem;line-height:1;padding:.1rem .15rem;border-radius:4px;transition:background .1s;color:var(--text-muted)}.item-btn:hover{background:var(--accent-soft)}.empty-state{color:var(--text-muted);font-size:.875rem;font-style:italic;text-align:center;padding:1rem}.spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:white;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:middle;margin-right:.4rem}@keyframes spin{to{transform:rotate(1turn)}}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-animate{animation:fadeSlideIn .4s ease both}.sparkle-container{position:fixed;inset:0;pointer-events:none;z-index:50;overflow:hidden}.sparkle{position:absolute;width:8px;height:8px;border-radius:50%;animation:sparkleFall 1.2s ease-out forwards}@keyframes sparkleFall{0%{opacity:1;transform:translateY(0) scale(1) rotate(0deg)}to{opacity:0;transform:translateY(80px) scale(.4) rotate(180deg)}}.popup-overlay{position:fixed;inset:0;background:rgba(45,27,78,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:100;justify-content:center;padding:1.25rem;animation:fadeSlideIn .35s ease both}.popup-card,.popup-overlay{display:flex;align-items:center}.popup-card{background:var(--card-bg);border:1.5px solid var(--card-border);border-radius:var(--radius);box-shadow:0 16px 60px rgba(150,80,200,.3);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:2.25rem 2rem 2rem;max-width:420px;width:100%;flex-direction:column;gap:1rem;text-align:center}.popup-emoji{font-size:3rem;line-height:1}.popup-title{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,#c44dff,#7b2fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.popup-body{font-size:.95rem;color:var(--text-secondary);line-height:1.65}.popup-btn{margin-top:.5rem;padding:.8rem 1.75rem;background:linear-gradient(135deg,#c44dff,#7b2fff);color:white;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:700;cursor:pointer;box-shadow:0 4px 16px rgba(196,77,255,.4);transition:opacity .15s,transform .12s}.popup-btn:hover{opacity:.92;transform:translateY(-1px)}.popup-btn:active{transform:translateY(0)}.footer{text-align:center;color:var(--text-muted);font-size:.78rem;padding-top:.5rem}@media (max-width:480px){.page{padding:1.25rem 1rem 3rem;gap:1.25rem}.message-card{padding:1.5rem 1.25rem}.controls{padding:1rem 1.25rem}.button-row{flex-direction:column}.btn-secondary{width:100%;text-align:center}}