:root{color-scheme:light;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;--page-bg: #f5f7fb;--text-color: #0f172a;--card-bg: #ffffff;--card-shadow: 0 20px 45px rgba(15, 23, 42, .08);--subtitle-color: #475569;--label-color: #1e293b;--input-bg: #f8fafc;--input-border: #cbd5f5;--status-color: #475569;--badge-bg: #ecfdf5;--badge-color: #047857;--output-bg: #0f172a;--output-text: #e2e8f0;--output-border: rgba(148, 163, 184, .15);--tone-label: #94a3b8;--tone-label-active: #1e293b;--tone-copy: #64748b;--button-secondary-bg: #0f172a;--button-secondary-text: #ffffff;color:var(--text-color);background-color:var(--page-bg)}[data-theme=dark]{color-scheme:dark;--page-bg: #0f172a;--text-color: #e2e8f0;--card-bg: #1e293b;--card-shadow: 0 20px 45px rgba(2, 6, 23, .45);--subtitle-color: #cbd5f5;--label-color: #f8fafc;--input-bg: #111827;--input-border: #334155;--status-color: #cbd5f5;--badge-bg: rgba(59, 130, 246, .16);--badge-color: #93c5fd;--output-bg: #030712;--output-text: #f1f5f9;--output-border: rgba(148, 163, 184, .35);--tone-label: #94a3b8;--tone-label-active: #f1f5f9;--tone-copy: #fca5a5;--button-secondary-bg: #e2e8f0;--button-secondary-text: #0f172a}body{margin:0;min-height:100vh;background:var(--page-bg);color:var(--text-color);transition:background-color .25s ease,color .25s ease}#root{min-height:100vh}.app-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:48px 16px;gap:32px}.card{width:min(960px,100%);background:var(--card-bg);border-radius:18px;padding:32px;box-shadow:var(--card-shadow);transition:background-color .25s ease,box-shadow .25s ease,color .25s ease}.card-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.brand-cluster{display:flex;align-items:center;gap:16px}.card h1{margin-top:0;font-size:2.5rem;line-height:1.1}.subtitle{color:var(--subtitle-color);margin-bottom:32px;transition:color .25s ease}.form-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.form-field{display:flex;flex-direction:column;gap:8px}.form-field label{font-weight:600;color:var(--label-color);transition:color .25s ease}.form-field input,.form-field textarea,.form-field select{border:1px solid var(--input-border);border-radius:10px;padding:10px 14px;font-size:1rem;font-family:inherit;background:var(--input-bg);color:inherit;transition:background-color .25s ease,border-color .25s ease}.form-field textarea{min-height:120px;resize:vertical}.tone-toggle .tone-slider{display:flex;align-items:center;gap:12px}.tone-toggle input[type=range]{flex:1;accent-color:#6366f1}.tone-label{font-weight:600;color:var(--tone-label);min-width:52px;text-align:center;transition:color .2s ease}.tone-label.active{color:var(--tone-label-active)}.tone-copy{margin:6px 0 0;font-size:.9rem;color:var(--tone-copy);transition:color .25s ease}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button{border:none;border-radius:999px;padding:14px 24px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.button-primary{background:linear-gradient(120deg,#6366f1,#f65c5c);color:#fff;box-shadow:0 18px 30px #6366f140}.button-secondary{background:var(--button-secondary-bg);color:var(--button-secondary-text)}.button:disabled{opacity:.65;cursor:not-allowed;box-shadow:none}.button:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 22px 35px #6366f147}.output-card{display:flex;flex-direction:column;gap:16px;width:min(960px,100%);transition:color .25s ease,background-color .25s ease}.output-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.output-card h2{margin:0;font-size:1.5rem}.copy-button{border:1px solid var(--input-border);background:linear-gradient(120deg,#6366f1,#f65c5c);color:#fff;border-radius:999px;padding:10px 18px;font-size:.9rem;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.copy-button:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.copy-button:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 12px 25px #6366f159}.copy-feedback{margin:0;font-size:.9rem;color:var(--status-color)}.copy-feedback-success{color:#16a34a}.copy-feedback-error{color:#dc2626}.output-article{background:var(--card-bg);border-radius:16px;padding:24px;border:1px solid var(--input-border);box-shadow:var(--card-shadow);display:flex;flex-direction:column;gap:12px;transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease}.output-paragraph{margin:0;font-size:1rem;line-height:1.6}.output-heading{margin:12px 0 4px;font-size:1.1rem;line-height:1.4;color:var(--label-color)}.output-heading:first-child{margin-top:0}.output-list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}.output-list li{line-height:1.6}.inline-code{background:#6366f11a;padding:2px 6px;border-radius:6px;font-family:JetBrains Mono,Fira Code,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.85rem}.output-text{white-space:pre-wrap;background:var(--output-bg);color:var(--output-text);padding:16px;border-radius:10px;font-family:JetBrains Mono,Fira Code,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.85rem;box-shadow:inset 0 0 0 1px var(--output-border);margin:0}.status-line{font-size:.95rem;color:var(--status-color);transition:color .25s ease}.badge{display:inline-flex;align-items:center;gap:8px;background:var(--badge-bg);color:var(--badge-color);border-radius:999px;padding:8px 14px;font-weight:600;font-size:.9rem;transition:background-color .25s ease,color .25s ease}.badge-meta{font-weight:500;opacity:.9;color:inherit}.badge svg{width:18px;height:18px}.app-footer{width:min(960px,100%);text-align:center;padding:16px 12px 32px;color:var(--subtitle-color)}.footer-content{border-top:1px solid var(--input-border);padding-top:16px;display:flex;flex-direction:column;gap:6px}.footer-content p{margin:0}.footer-link{color:inherit;text-decoration:none;border-bottom:1px dotted currentColor;transition:color .2s ease,border-color .2s ease}.footer-link:hover{color:#6366f1;border-color:transparent}.footer-projects,.footer-message{margin:0}.contact-trigger{align-self:center;border:1px solid var(--input-border);background:transparent;color:inherit;border-radius:999px;padding:8px 18px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease}.contact-trigger:hover{background-color:#6366f11f;border-color:transparent}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000}.modal-card{background:var(--card-bg);color:inherit;border-radius:18px;box-shadow:0 25px 50px #0f172a40;padding:28px;max-width:360px;width:min(100%,360px);display:flex;flex-direction:column;gap:12px;border:1px solid var(--input-border)}.modal-card h3{margin:0;font-size:1.3rem}.modal-card p{margin:0;line-height:1.6}.modal-close{margin-top:12px;align-self:flex-end;border:none;border-radius:999px;padding:8px 16px;font-weight:600;font-size:.9rem;background:linear-gradient(120deg,#6366f1,#8b5cf6);color:#fff;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.modal-close:hover{transform:translateY(-1px);box-shadow:0 18px 35px #6366f159}.brand-logo{width:120px;height:auto;display:block;margin-bottom:0}.theme-toggle{border:1px solid var(--input-border);background:transparent;color:inherit;border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease}.theme-toggle:hover{background-color:#6366f11a}[data-theme=dark] .theme-toggle:hover{background-color:#6366f133}.theme-toggle:focus-visible{outline:2px solid #6366f1;outline-offset:2px}@media (max-width: 640px){.card{padding:24px}.card-header{flex-direction:column;align-items:flex-start}.card h1{font-size:2rem}}