:root { color-scheme: dark; --bg:#06101d; --panel:rgba(15,23,42,.82); --panel-strong:rgba(15,23,42,.95); --line:rgba(148,163,184,.18); --text:#edf5ff; --muted:#94a9c3; --heading:#fff; --primary:#2dd4bf; --primary-strong:#38bdf8; --success:#34d399; --danger:#fb7185; --editor:#07111f; --shadow:0 24px 72px rgba(0,0,0,.32); }
html[data-theme="light"] { color-scheme: light; --bg:#f5f8fc; --panel:rgba(255,255,255,.92); --panel-strong:#fff; --line:rgba(15,23,42,.1); --text:#162033; --muted:#64748b; --heading:#07111f; --primary:#0f766e; --primary-strong:#0284c7; --success:#047857; --danger:#be123c; --editor:#fff; --shadow:0 20px 50px rgba(15,23,42,.1); }
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 12% 10%, rgba(45,212,191,.16), transparent 28rem),radial-gradient(circle at 88% 6%, rgba(56,189,248,.16), transparent 24rem),linear-gradient(180deg, rgba(15,23,42,.22), transparent 45%),var(--bg)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom, black, transparent 72%)}
button,textarea,select{font:inherit} textarea,code,pre{font-family:"JetBrains Mono",Consolas,"Courier New",monospace} a{color:inherit;text-decoration:none} p,h1,h2,h3{margin-top:0}
.page-shell{position:relative;width:min(1320px,calc(100% - 28px));margin:0 auto;padding:14px 0 32px} main{display:grid;gap:16px}
.card{border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,var(--panel-strong),var(--panel));box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.nav,.nav-links,.hero-row,.toolbar,.toolbar-actions,.editor-head,.status-bar,.advanced-options{display:flex;align-items:center}
.nav{justify-content:space-between;gap:16px;padding:8px 0 14px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:15px;color:#04111f;background:linear-gradient(135deg,#2dd4bf,#38bdf8);font-size:.74rem;font-weight:900;letter-spacing:.04em}.brand small{display:block;color:var(--muted);font-size:.76rem;font-weight:700}
.nav-links{gap:8px;flex-wrap:wrap;justify-content:flex-end}.nav-links a,.theme-toggle,.btn{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;font-weight:800}.nav-links a,.theme-toggle{padding:9px 13px;font-size:.84rem}
.hero{padding-bottom:6px}.hero-row{justify-content:space-between;gap:16px;padding:8px 0 10px}.eyebrow,.section-kicker{margin-bottom:8px;color:var(--primary);font-weight:900;letter-spacing:.12em;text-transform:uppercase;font-size:.72rem}
h1{margin-bottom:8px;color:var(--heading);font-size:clamp(1.18rem,2.2vw,1.66rem);line-height:1.08;letter-spacing:-.04em}.hero-subtitle{margin:0;color:var(--muted);font-size:.92rem}
.workspace,.seo-panel{margin-top:16px;overflow:hidden}.toolbar{justify-content:space-between;gap:16px;padding:16px;border-bottom:1px solid var(--line)}.toolbar h2{margin-bottom:0;font-size:1.02rem}.toolbar-actions{gap:8px;flex-wrap:wrap;justify-content:flex-end}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px}.btn-small{min-height:34px;padding:0 12px;font-size:.82rem}.btn-primary{border:0;color:#04111f;background:linear-gradient(135deg,var(--primary),var(--primary-strong))}
.btn-secondary:hover,.theme-toggle:hover,.nav-links a:hover{border-color:rgba(56,189,248,.38)}
.status-bar,.advanced-options{justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)} .status-pill{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;font-size:.76rem;font-weight:900;border:1px solid var(--line)} .status-pill.idle{color:var(--muted)} .status-pill.success{color:var(--success);border-color:color-mix(in srgb,var(--success) 45%,transparent);background:color-mix(in srgb,var(--success) 14%,transparent)} .status-pill.error{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent);background:color-mix(in srgb,var(--danger) 12%,transparent)} .status-message{margin:0;color:var(--muted);font-size:.86rem}
.advanced-options{justify-content:flex-start;flex-wrap:wrap}.advanced-options label{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.82rem;font-weight:700}.advanced-options select{border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel-strong) 72%,transparent);color:var(--text);padding:6px 10px}
.editor-grid,.content-columns{display:grid;gap:16px}.editor-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px}.editor-panel{min-width:0;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--panel-strong) 72%,transparent);overflow:hidden}.editor-head{justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line)}.editor-head h3{margin-bottom:4px;font-size:.94rem}.editor-head p{margin:0;color:var(--muted);font-size:.76rem}
textarea{width:100%;min-height:430px;resize:vertical;border:0;outline:0;padding:16px;color:var(--text);background:var(--editor);font-size:.84rem;line-height:1.68} textarea::placeholder{color:color-mix(in srgb,var(--muted) 88%,transparent)}
.seo-panel{padding:22px}.seo-intro p,.content-columns p{color:var(--muted);font-size:.93rem;line-height:1.72}.seo-panel h2{margin-bottom:10px;font-size:clamp(1.12rem,2vw,1.46rem);letter-spacing:-.03em}.seo-panel h3{margin-bottom:8px;font-size:.98rem}.content-columns{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:18px}
.toast-stack{position:fixed;top:18px;right:18px;z-index:20;display:grid;gap:10px}.toast{min-width:220px;max-width:min(360px,calc(100vw - 32px));padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:color-mix(in srgb,var(--panel-strong) 88%,transparent);box-shadow:var(--shadow);font-size:.84rem;font-weight:700}.toast.success{color:var(--success)}.toast.error{color:var(--danger)}
@media (max-width:980px){.editor-grid,.content-columns{grid-template-columns:1fr}}
@media (max-width:760px){.nav,.hero-row,.toolbar,.status-bar,.advanced-options{align-items:flex-start;flex-direction:column}.nav-links,.toolbar-actions{justify-content:flex-start}textarea{min-height:320px}}