/* Utilix — Keyword Density Checker (kdc-) */
:root {
    --kdc-accent: #14b8a6;
    --kdc-accent-light: #ccfbf1;
    --kdc-accent-dark: #0d9488;
    --kdc-accent-border: #5eead4;
}

.kdc-hero { padding-bottom: 40px; }
.kdc-hero__grid { display: grid; grid-template-columns: 1fr 400px; gap: 40px; align-items: center; }
.kdc-hero__main { display: flex; gap: 20px; align-items: flex-start; }
.kdc-hero__visual { display: flex; align-items: center; justify-content: center; min-height: 260px; }

.kdc-main { padding: 0 0 48px; }
.kdc-section-head { margin-bottom: 24px; }
.kdc-section-head h2 { margin: 0 0 8px; font-size: 1.25rem; font-weight: 800; color: var(--heading); }
.kdc-section-head p { margin: 0; font-size: .875rem; color: #64748b; }
.kdc-section-head--center { text-align: center; }
.kdc-section-head--center p { margin: 0 auto; max-width: 560px; }
.kdc-section-eyebrow { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; font-size: .75rem; font-weight: 700; color: var(--kdc-accent); background: var(--kdc-accent-light); border-radius: 999px; margin-bottom: 12px; }
.kdc-section-eyebrow i { width: 14px; height: 14px; }

.kdc-mode-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 32px; }
.kdc-mode-btn { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 16px 8px 12px; background: #fff; border: 2px solid #e8ecf1; border-radius: 16px; cursor: pointer; text-align: center; transition: border-color .2s, box-shadow .2s, transform .15s; font-family: inherit; }
.kdc-mode-btn:hover { border-color: var(--kdc-accent-border); box-shadow: 0 6px 20px rgba(20,184,166,.12); transform: translateY(-2px); }
.kdc-mode-btn.is-active { border-color: var(--kdc-accent); background: linear-gradient(180deg, #ccfbf1 0%, #fff 100%); box-shadow: 0 4px 20px rgba(20,184,166,.15); }
.kdc-mode-btn.is-active::after { content: '✓'; position: absolute; top: 8px; right: 10px; width: 18px; height: 18px; display: flex; align-items: center; justify-content: center; font-size: .625rem; font-weight: 800; color: #fff; background: var(--kdc-accent); border-radius: 50%; line-height: 1; }
.kdc-mode-btn__icon { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%; margin-top: 4px; }
.kdc-mode-btn__icon i { width: 22px; height: 22px; }
.kdc-mode-btn strong { font-size: .6875rem; font-weight: 700; color: var(--heading); line-height: 1.3; }
.kdc-mode-btn span:last-child { font-size: .5625rem; color: #94a3b8; line-height: 1.35; }
.kdc-mode-btn--pink .kdc-mode-btn__icon { background: #fce7f3; color: #db2777; }
.kdc-mode-btn--blue .kdc-mode-btn__icon { background: #dbeafe; color: #2563eb; }
.kdc-mode-btn--green .kdc-mode-btn__icon { background: #d1fae5; color: #059669; }
.kdc-mode-btn--orange .kdc-mode-btn__icon { background: #ffedd5; color: #ea580c; }
.kdc-mode-btn--purple .kdc-mode-btn__icon { background: #ede9fe; color: #7c3aed; }
.kdc-mode-btn--teal .kdc-mode-btn__icon { background: #ccfbf1; color: #0d9488; }
.kdc-mode-btn--yellow .kdc-mode-btn__icon { background: #fef9c3; color: #ca8a04; }
.kdc-mode-btn--cyan .kdc-mode-btn__icon { background: #cffafe; color: #0891b2; }
.kdc-mode-btn--pink .kdc-mode-btn__icon { background: #fce7f3; color: #db2777; }
.kdc-mode-btn--gray .kdc-mode-btn__icon { background: #f1f5f9; color: #334155; }
.kdc-mode-btn--red .kdc-mode-btn__icon { background: #fee2e2; color: #dc2626; }

.kdc-subsection { margin: 18px 0 10px; font-size: .875rem; font-weight: 700; color: var(--heading); }

.kdc-output-hint { margin: 12px 0 0; font-size: .75rem; color: #64748b; }
.kdc-output-hint em { font-style: normal; }

.kdc-json-key { color: #f87171; }
.kdc-json-str { color: #4ade80; }
.kdc-json-num { color: #fbbf24; }
.kdc-json-bool { color: #60a5fa; }
.kdc-json-tag { color: #f472b6; }

.kdc-field input[type="datetime-local"] {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
    font-size: .875rem; font-family: inherit; background: #fff; color: var(--text); box-sizing: border-box;
}

.kdc-workspace { display: grid; grid-template-columns: 1fr 1.25fr; gap: 16px; align-items: start; }
.kdc-card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 24px; box-shadow: 0 4px 24px rgba(15,23,42,.05); }
.kdc-card__head h2 { margin: 0; font-size: 1.0625rem; font-weight: 700; }
.kdc-mode-badge { display: inline-block; margin-top: 8px; padding: 4px 10px; font-size: .6875rem; font-weight: 700; color: var(--kdc-accent-dark); background: var(--kdc-accent-light); border: 1px solid var(--kdc-accent-border); border-radius: 999px; }
.kdc-mode-desc { margin: 12px 0 16px; padding: 12px 14px; font-size: .8125rem; color: #0f766e; background: var(--kdc-accent-light); border: 1px solid var(--kdc-accent-border); border-radius: 12px; }

.kdc-field { margin-bottom: 14px; }
.kdc-field label { display: block; margin-bottom: 4px; font-size: .8125rem; font-weight: 700; color: var(--heading); }
.kdc-field small { display: block; margin-bottom: 6px; font-size: .6875rem; color: #94a3b8; font-weight: 500; }
.kdc-field input[type="text"], .kdc-field input[type="url"], .kdc-field input[type="color"], .kdc-field select, .kdc-field textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
    font-size: .875rem; font-family: inherit; background: #fff; color: var(--text); box-sizing: border-box;
}
.kdc-field textarea { resize: vertical; min-height: 80px; font-family: ui-monospace, monospace; font-size: .8125rem; }
.kdc-field input:focus, .kdc-field select:focus, .kdc-field textarea:focus, .kdc-field input[type="datetime-local"]:focus { outline: none; border-color: var(--kdc-accent); box-shadow: 0 0 0 3px rgba(20,184,166,.12); }
.kdc-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kdc-field--counter { position: relative; }
.kdc-char-counter { display: block; text-align: right; margin-top: 4px; font-size: .6875rem; font-weight: 600; color: #94a3b8; }
.kdc-char-counter.is-good { color: #059669; }
.kdc-char-counter.is-warn { color: #ca8a04; }
.kdc-char-counter.is-bad { color: #dc2626; }

.kdc-check-row { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 14px; }
.kdc-check { display: flex; align-items: center; gap: 8px; font-size: .8125rem; cursor: pointer; }
.kdc-check input { accent-color: var(--kdc-accent); width: 16px; height: 16px; }

.kdc-color-field { display: flex; gap: 10px; align-items: center; }
.kdc-color-field input[type="color"] { width: 44px; height: 44px; padding: 2px; flex-shrink: 0; cursor: pointer; }
.kdc-color-field input[type="text"] { flex: 1; font-family: ui-monospace, monospace; }

.kdc-btn-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 8px; }
.kdc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border: none; border-radius: 12px; font-size: .875rem; font-weight: 700; font-family: inherit; cursor: pointer; transition: transform .15s, box-shadow .2s; }
.kdc-btn i { width: 16px; height: 16px; }
.kdc-btn--primary { background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%); color: #fff; box-shadow: 0 4px 16px rgba(20,184,166,.35); }
.kdc-btn--primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(20,184,166,.45); }
.kdc-btn--outline { background: #fff; border: 1px solid var(--kdc-accent-border); color: var(--kdc-accent-dark); }
.kdc-btn--outline:hover { background: var(--kdc-accent-light); }
.kdc-btn--sm { padding: 8px 12px; font-size: .75rem; border-radius: 10px; }
.kdc-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.kdc-output-card { position: sticky; top: 90px; }
.kdc-output-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.kdc-output-head h2 { margin: 0 0 4px; font-size: 1.0625rem; font-weight: 700; }
.kdc-output-head p { margin: 0; font-size: .8125rem; color: #64748b; }
.kdc-output-toolbar { display: flex; flex-wrap: wrap; gap: 6px; }

.kdc-result-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; min-height: 280px; padding: 24px; color: #94a3b8; text-align: center; border: 1px dashed var(--border); border-radius: 12px; background: #f8fafc; }
.kdc-result-empty[hidden], #kdc-result-content[hidden] { display: none !important; }
.kdc-result-empty i { width: 48px; height: 48px; opacity: .4; }

.kdc-code-block { margin: 0; padding: 16px 16px 16px 48px; background: #0f172a; color: #e2e8f0; border-radius: 12px; font-size: .75rem; font-family: ui-monospace, monospace; line-height: 1.7; overflow-x: auto; min-height: 280px; position: relative; counter-reset: line; white-space: pre-wrap; word-break: break-all; }
.kdc-code-block .kdc-line { display: block; position: relative; padding-left: 8px; }
.kdc-code-block .kdc-line::before { counter-increment: line; content: counter(line); position: absolute; left: -36px; width: 24px; text-align: right; color: #475569; font-size: .6875rem; }
.kdc-code-block .kdc-tag { color: #f87171; }
.kdc-code-block .kdc-attr { color: #60a5fa; }
.kdc-code-block .kdc-val { color: #4ade80; }

.kdc-values-section { padding: 48px 0; background: #f8fafc; }
.kdc-values { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.kdc-value-card { padding: 20px 16px; background: #fff; border: 1px solid var(--border); border-radius: 16px; text-align: center; }
.kdc-value-card__icon { display: flex; width: 44px; height: 44px; align-items: center; justify-content: center; margin: 0 auto 12px; border-radius: 12px; }
.kdc-value-card__icon i { width: 22px; height: 22px; }
.kdc-value-card__icon--green { background: #d1fae5; color: #059669; }
.kdc-value-card__icon--blue { background: #dbeafe; color: #2563eb; }
.kdc-value-card__icon--orange { background: #ffedd5; color: #ea580c; }
.kdc-value-card__icon--purple { background: #ede9fe; color: #7c3aed; }
.kdc-value-card__icon--red { background: #fee2e2; color: #dc2626; }
.kdc-value-card strong { display: block; margin-bottom: 6px; font-size: .875rem; }
.kdc-value-card p { margin: 0; font-size: .75rem; color: #64748b; line-height: 1.45; }

.kdc-about { padding: 48px 0; }
.kdc-info__grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; padding: 48px 0; }
.kdc-about-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.kdc-about-feature { display: flex; gap: 12px; padding: 14px; background: #fff; border: 1px solid var(--border); border-radius: 14px; }
.kdc-about-feature__icon { display: flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 10px; flex-shrink: 0; }
.kdc-about-feature__icon i { width: 18px; height: 18px; }
.kdc-value-card__icon--pink { background: #fce7f3; color: #db2777; }
.kdc-about-feature__icon--pink { background: #fce7f3; color: #db2777; }
.kdc-about-feature__icon--blue { background: #dbeafe; color: #2563eb; }
.kdc-about-feature__icon--green { background: #d1fae5; color: #059669; }
.kdc-about-feature__icon--orange { background: #ffedd5; color: #ea580c; }
.kdc-about-feature__icon--purple { background: #ede9fe; color: #7c3aed; }
.kdc-about-feature__icon--cyan { background: #cffafe; color: #0891b2; }
.kdc-about-feature__icon--teal { background: #ccfbf1; color: #0d9488; }
.kdc-about-feature strong { display: block; font-size: .8125rem; margin-bottom: 4px; }
.kdc-about-feature p { margin: 0; font-size: .75rem; color: #64748b; line-height: 1.45; }

.kdc-side-card { padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 16px; margin-bottom: 16px; }
.kdc-side-card--tips { background: linear-gradient(180deg, #ccfbf1 0%, #fff 100%); }
.kdc-side-card__title { display: flex; align-items: center; gap: 8px; margin: 0 0 14px; font-size: 1rem; font-weight: 700; }
.kdc-side-card__title i { width: 18px; height: 18px; color: var(--kdc-accent); }
.kdc-tips-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.kdc-tips-head__icon { display: flex; width: 36px; height: 36px; align-items: center; justify-content: center; background: var(--kdc-accent-light); color: var(--kdc-accent); border-radius: 10px; }
.kdc-tips-head h3 { margin: 0; font-size: .9375rem; }
.kdc-tips-list { list-style: none; padding: 0; margin: 0; }
.kdc-tips-list li { display: flex; gap: 10px; padding: 8px 0; font-size: .8125rem; color: #64748b; line-height: 1.5; border-bottom: 1px solid var(--border); }
.kdc-tips-list li:last-child { border-bottom: none; }
.kdc-tips-list__check { display: flex; width: 20px; height: 20px; align-items: center; justify-content: center; background: #d1fae5; color: #059669; border-radius: 50%; flex-shrink: 0; }
.kdc-tips-list__check i { width: 12px; height: 12px; }
.kdc-tools-list { list-style: none; padding: 0; margin: 0; }
.kdc-tools-link { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; text-decoration: none; color: var(--text); font-size: .8125rem; font-weight: 600; transition: background .15s; }
.kdc-tools-link:hover { background: #f1f5f9; }
.kdc-tools-link.is-current { background: var(--kdc-accent-light); color: var(--kdc-accent-dark); }
.kdc-tools-link__icon { display: flex; width: 32px; height: 32px; align-items: center; justify-content: center; background: #f1f5f9; border-radius: 8px; }
.kdc-tools-link__icon i { width: 16px; height: 16px; }
.kdc-tools-link span:nth-child(2) { flex: 1; }
.kdc-tools-link > i:last-child { width: 14px; height: 14px; color: #94a3b8; }
.kdc-view-all { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: .8125rem; font-weight: 700; color: var(--kdc-accent); text-decoration: none; }

.kdc-steps-section { padding: 48px 0; background: #f8fafc; }
.kdc-how-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.kdc-how-step { padding: 20px 16px; background: #fff; border: 1px solid var(--border); border-radius: 16px; text-align: center; position: relative; }
.kdc-how-step__num { display: flex; width: 36px; height: 36px; align-items: center; justify-content: center; margin: 0 auto 12px; background: var(--kdc-accent); color: #fff; border-radius: 50%; font-weight: 800; font-size: .875rem; }
.kdc-how-step strong { display: block; margin-bottom: 6px; font-size: .8125rem; }
.kdc-how-step p { margin: 0; font-size: .75rem; color: #94a3b8; line-height: 1.45; }

.kdc-toast { position: fixed; bottom: 24px; right: 24px; padding: 12px 20px; background: #1e293b; color: #fff; border-radius: 10px; font-size: .8125rem; font-weight: 600; opacity: 0; transform: translateY(12px); transition: opacity .25s, transform .25s; pointer-events: none; z-index: 9999; }
.kdc-toast.is-visible { opacity: 1; transform: translateY(0); }
.kdc-animate-in { animation: kdc-fade-up .5s ease both; }
.kdc-animate-in--delay { animation-delay: .08s; }
@keyframes kdc-fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes kdc-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Hero */
.kdc-hero__demo { position: relative; width: 100%; max-width: 380px; height: 260px; margin: 0 auto; }
.kdc-hero__rich-result { position: absolute; top: 8px; right: 0; width: 220px; padding: 14px 16px; background: #fff; border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 10px 28px rgba(15,23,42,.1); z-index: 2; }
.kdc-hero__stars { color: #fbbf24; font-size: .75rem; letter-spacing: 1px; margin-bottom: 6px; }
.kdc-hero__rich-result strong { display: block; font-size: .875rem; color: #1a0dab; margin-bottom: 4px; }
.kdc-hero__rich-result > span { display: block; font-size: .625rem; color: #006621; margin-bottom: 6px; }
.kdc-hero__rich-result p { margin: 0; font-size: .6875rem; color: #545454; line-height: 1.45; }
.kdc-hero__json-arrow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: var(--kdc-accent); color: #fff; border-radius: 50%; z-index: 3; box-shadow: 0 4px 12px rgba(20,184,166,.35); }
.kdc-hero__json-arrow i { width: 16px; height: 16px; }
.kdc-hero__json-box { position: absolute; bottom: 10px; left: 0; width: 200px; padding: 14px; background: #0f172a; border-radius: 12px; box-shadow: 0 8px 24px rgba(15,23,42,.2); z-index: 2; }
.kdc-hero__json-box code { font-family: ui-monospace, monospace; font-size: .5625rem; color: #94a3b8; line-height: 1.7; word-break: break-all; }
.kdc-hero__window { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 280px; background: #fff; border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 12px 32px rgba(15,23,42,.12); overflow: hidden; z-index: 2; }
.kdc-hero__window-bar { display: flex; gap: 5px; padding: 8px 10px; background: #f1f5f9; }
.kdc-hero__window-bar span { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; }
.kdc-hero__window-body { padding: 14px; font-family: ui-monospace, monospace; font-size: .5625rem; line-height: 1.8; color: #64748b; }
.kdc-hero__window-body em { color: #f87171; font-style: normal; }
.kdc-hero__window-body b { color: #60a5fa; font-weight: 600; }
.kdc-hero__window-body s { color: #4ade80; text-decoration: none; }
.kdc-hero__float-icon { position: absolute; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 10px; box-shadow: 0 4px 12px rgba(15,23,42,.1); animation: kdc-float 4s ease-in-out infinite; }
.kdc-hero__float-icon i { width: 18px; height: 18px; }
.kdc-hero__float-icon--1 { top: 30px; left: 0; background: #d1fae5; color: #059669; animation-delay: 0s; }
.kdc-hero__float-icon--2 { top: 60px; right: 0; background: #dbeafe; color: #2563eb; animation-delay: .5s; }
.kdc-hero__float-icon--3 { bottom: 50px; left: 10px; background: #ffedd5; color: #ea580c; animation-delay: 1s; }
.kdc-hero__float-icon--4 { bottom: 30px; right: 20px; background: #ede9fe; color: #7c3aed; animation-delay: 1.5s; }
.kdc-hero__gear { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #14b8a6, #0d9488); border-radius: 14px; color: #fff; box-shadow: 0 8px 24px rgba(20,184,166,.35); z-index: 3; }
.kdc-hero__gear i { width: 24px; height: 24px; }

.kdc-mode-panel[hidden] { display: none !important; }

@media (max-width: 1100px) {
    .kdc-hero__grid, .kdc-workspace, .kdc-info__grid { grid-template-columns: 1fr; }
    .kdc-hero__visual { display: none; }
    .kdc-mode-grid { grid-template-columns: repeat(3, 1fr); }
    .kdc-output-card { position: static; }
    .kdc-values { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    .kdc-mode-grid { grid-template-columns: repeat(2, 1fr); }
    .kdc-field-row, .kdc-about-features, .kdc-values, .kdc-how-steps, .kdc-btn-row { grid-template-columns: 1fr; }
}

[data-theme="dark"] .kdc-card, [data-theme="dark"] .kdc-mode-btn, [data-theme="dark"] .kdc-side-card, [data-theme="dark"] .kdc-about-feature, [data-theme="dark"] .kdc-value-card, [data-theme="dark"] .kdc-how-step { background: var(--bg-section); border-color: var(--border); }
[data-theme="dark"] .kdc-mode-btn.is-active { background: linear-gradient(180deg, rgba(20,184,166,.12) 0%, var(--bg-section) 100%); }
[data-theme="dark"] .kdc-mode-desc { background: rgba(20,184,166,.1); border-color: rgba(94,234,212,.3); color: #5eead4; }
[data-theme="dark"] .kdc-field input, [data-theme="dark"] .kdc-field select, [data-theme="dark"] .kdc-field textarea { background: #0f172a; border-color: var(--border); color: var(--text); }
[data-theme="dark"] .kdc-btn--outline { background: #1a2332; border-color: rgba(94,234,212,.3); color: #5eead4; }
[data-theme="dark"] .kdc-result-empty { background: #0f172a; border-color: var(--border); }
[data-theme="dark"] .kdc-code-block { background: #0f172a; border: 1px solid var(--border); }
[data-theme="dark"] .kdc-side-card--tips { background: linear-gradient(180deg, rgba(20,184,166,.08) 0%, var(--bg-section) 100%); }
[data-theme="dark"] .kdc-tools-link.is-current { background: rgba(20,184,166,.12); color: #5eead4; }
[data-theme="dark"] .kdc-steps-section { background: rgba(20,184,166,.04); }
[data-theme="dark"] .kdc-values-section { background: rgba(20,184,166,.04); }
[data-theme="dark"] .kdc-section-head p { color: #94a3b8; }
[data-theme="dark"] .kdc-mode-btn { background: var(--bg-section); }
[data-theme="dark"] .kdc-hero__window { background: var(--bg-section); border-color: var(--border); }
[data-theme="dark"] .kdc-hero__window-bar { background: #0f172a; }
[data-theme="dark"] .kdc-hero__rich-result { background: var(--bg-section); border-color: var(--border); }
[data-theme="dark"] .kdc-hero__rich-result strong { color: #93c5fd; }
[data-theme="dark"] .kdc-hero__rich-result > span { color: #4ade80; }
[data-theme="dark"] .kdc-hero__rich-result p { color: #94a3b8; }
[data-theme="dark"] .kdc-hero__json-box { background: #0f172a; border: 1px solid var(--border); }
[data-theme="dark"] .kdc-field input[type="datetime-local"] { background: #0f172a; border-color: var(--border); color: var(--text); }

/* Keyword Density Checker specific */
.kdc-hero__overview-scene { position: relative; width: 100%; max-width: 380px; height: 280px; margin: 0 auto; }
.kdc-hero__overview-card { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 300px; padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 12px 32px rgba(15,23,42,.1); z-index: 2; }
.kdc-hero__donut { width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 12px; background: conic-gradient(var(--kdc-accent) 0deg 88deg, #e2e8f0 88deg 360deg); display: flex; align-items: center; justify-content: center; position: relative; }
.kdc-hero__donut::after { content: ''; position: absolute; width: 68px; height: 68px; background: #fff; border-radius: 50%; }
.kdc-hero__donut-val { position: relative; z-index: 1; font-size: .875rem; font-weight: 800; color: var(--kdc-accent-dark); text-align: center; line-height: 1.2; }
.kdc-hero__donut-val small { display: block; font-size: .5625rem; font-weight: 600; color: #94a3b8; }
.kdc-hero__overview-title { text-align: center; font-size: .8125rem; font-weight: 700; color: var(--heading); margin-bottom: 12px; }
.kdc-hero__overview-stats { display: flex; flex-direction: column; gap: 6px; }
.kdc-hero__overview-stat { display: flex; justify-content: space-between; font-size: .75rem; color: #64748b; }
.kdc-hero__overview-stat strong { color: var(--heading); }
.kdc-hero__overview-badge { display: inline-block; margin-top: 10px; padding: 4px 12px; font-size: .6875rem; font-weight: 700; background: #d1fae5; color: #059669; border-radius: 999px; }
.kdc-hero__float { position: absolute; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 12px; box-shadow: 0 4px 12px rgba(15,23,42,.1); animation: kdc-float 4s ease-in-out infinite; }
.kdc-hero__float i { width: 20px; height: 20px; }
.kdc-hero__float--chart { top: 10px; left: 0; background: #ccfbf1; color: #0d9488; }
.kdc-hero__float--hash { top: 50px; right: -10px; background: #dbeafe; color: #2563eb; animation-delay: .5s; }
.kdc-hero__float--type { bottom: 60px; left: 10px; background: #fef9c3; color: #ca8a04; animation-delay: 1s; }
.kdc-hero__float--list { bottom: 20px; right: 20px; background: #ede9fe; color: #7c3aed; animation-delay: 1.5s; }

.kdc-input-tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.kdc-input-tab { padding: 10px 16px; background: none; border: none; border-bottom: 2px solid transparent; font-size: .8125rem; font-weight: 700; color: #64748b; cursor: pointer; font-family: inherit; }
.kdc-input-tab.is-active { color: var(--kdc-accent-dark); border-bottom-color: var(--kdc-accent); }
.kdc-input-panel[hidden] { display: none !important; }
.kdc-content-area { position: relative; }
.kdc-content-area textarea { min-height: 200px; line-height: 1.6; font-family: inherit; font-size: .875rem; }
.kdc-content-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: .75rem; color: #94a3b8; }
.kdc-clear-link { padding: 0; background: none; border: none; font-size: .75rem; font-weight: 600; color: var(--kdc-accent-dark); cursor: pointer; font-family: inherit; }

.kdc-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.kdc-stat-card { padding: 14px 12px; background: #f8fafc; border: 1px solid var(--border); border-radius: 12px; text-align: center; }
.kdc-stat-card strong { display: block; font-size: 1.25rem; font-weight: 800; color: var(--heading); line-height: 1.2; }
.kdc-stat-card span { display: block; margin-top: 4px; font-size: .625rem; font-weight: 600; color: #94a3b8; text-transform: uppercase; letter-spacing: .03em; }

.kdc-report-preview { display: block; margin: 0 0 16px; padding: 16px 18px; background: #f8fafc; border: 1px solid var(--border); border-radius: 12px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .75rem; line-height: 1.75; color: #64748b; max-height: 320px; overflow: auto; white-space: pre-wrap; word-break: break-word; }
.kdc-report-preview:empty { display: none; }
.kdc-mode-output { margin-top: 4px; }
.kdc-mode-output.is-report-only { display: none; }

.kdc-kw-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
.kdc-kw-table { width: 100%; border-collapse: collapse; font-size: .8125rem; }
.kdc-kw-table th { padding: 10px 12px; text-align: left; font-size: .6875rem; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; border-bottom: 1px solid var(--border); }
.kdc-kw-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
.kdc-kw-table tr:last-child td { border-bottom: none; }
.kdc-kw-table tr:hover td { background: #f8fafc; }
.kdc-trend-bar { height: 8px; background: #e2e8f0; border-radius: 999px; overflow: hidden; min-width: 80px; }
.kdc-trend-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, #14b8a6, #059669); transition: width .3s; }

.kdc-result-empty { padding: 40px 20px; text-align: center; color: #94a3b8; }
.kdc-result-empty i { width: 40px; height: 40px; margin-bottom: 10px; color: var(--kdc-accent); opacity: .5; }
.kdc-view-all { display: block; width: 100%; margin-top: 12px; }

.kdc-focus-card { margin-top: 16px; padding: 20px; background: #f8fafc; border: 1px solid var(--border); border-radius: 16px; }
.kdc-focus-card[hidden] { display: none !important; }
.kdc-focus-card h3 { margin: 0 0 4px; font-size: .9375rem; }
.kdc-focus-keyword { font-size: 1.125rem; font-weight: 800; color: var(--kdc-accent-dark); margin-bottom: 16px; }
.kdc-gauge { margin-bottom: 16px; }
.kdc-gauge__labels { display: flex; justify-content: space-between; font-size: .625rem; font-weight: 600; color: #94a3b8; margin-bottom: 6px; }
.kdc-gauge__track { position: relative; height: 12px; border-radius: 999px; background: linear-gradient(90deg, #fee2e2 0%, #fee2e2 20%, #d1fae5 20%, #d1fae5 60%, #fef9c3 60%, #fef9c3 80%, #fecaca 80%); }
.kdc-gauge__pointer { position: absolute; top: -4px; width: 4px; height: 20px; background: var(--kdc-accent-dark); border-radius: 2px; transform: translateX(-50%); transition: left .4s ease; }
.kdc-gauge__value { text-align: center; margin-top: 8px; font-size: 1.5rem; font-weight: 800; color: var(--kdc-accent-dark); }
.kdc-rec-box { padding: 12px 14px; background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 10px; font-size: .8125rem; color: #065f46; margin-bottom: 14px; }
.kdc-checklist { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.kdc-check-item { display: flex; justify-content: space-between; align-items: center; font-size: .8125rem; padding: 8px 0; border-bottom: 1px solid var(--border); }
.kdc-check-item:last-child { border-bottom: none; }
.kdc-check-yes { color: #059669; font-weight: 700; }
.kdc-check-no { color: #dc2626; font-weight: 700; }
.kdc-focus-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.kdc-heading-list { display: flex; flex-direction: column; gap: 8px; }
.kdc-heading-item { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; background: #f8fafc; border-radius: 10px; font-size: .8125rem; }
.kdc-heading-tag { flex-shrink: 0; padding: 2px 8px; font-size: .625rem; font-weight: 800; color: #fff; background: var(--kdc-accent); border-radius: 6px; }
.kdc-heading-tag--h1 { background: #0d9488; }
.kdc-heading-tag--h2 { background: #14b8a6; }
.kdc-heading-tag--h3 { background: #2dd4bf; color: #0f766e; }
.kdc-heading-tag--h4 { background: #5eead4; color: #0f766e; }
.kdc-heading-tag--h5 { background: #99f6e4; color: #0f766e; }
.kdc-heading-tag--h6 { background: #ccfbf1; color: #0f766e; }

.kdc-word-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kdc-word-stat { padding: 16px; background: #f8fafc; border: 1px solid var(--border); border-radius: 12px; text-align: center; }
.kdc-word-stat strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--kdc-accent-dark); }
.kdc-word-stat span { font-size: .75rem; color: #64748b; }

.kdc-mode-panel[hidden] { display: none !important; }
.kdc-practices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; max-width: 720px; margin: 0 auto; }
.kdc-practice { display: flex; gap: 10px; align-items: flex-start; font-size: .8125rem; color: #64748b; line-height: 1.5; }
.kdc-practice__icon { display: flex; width: 22px; height: 22px; align-items: center; justify-content: center; background: #d1fae5; color: #059669; border-radius: 50%; flex-shrink: 0; }
.kdc-practice__icon i { width: 12px; height: 12px; }

@media (max-width: 1100px) {
    .kdc-stat-grid { grid-template-columns: repeat(2, 1fr); }
    .kdc-workspace { grid-template-columns: 1fr; }
    .kdc-practices { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .kdc-stat-grid { grid-template-columns: 1fr 1fr; }
    .kdc-mode-grid { grid-template-columns: repeat(2, 1fr); }
}

[data-theme="dark"] .kdc-hero__overview-card { background: var(--bg-section); border-color: var(--border); }
[data-theme="dark"] .kdc-hero__donut::after { background: var(--bg-section); }
[data-theme="dark"] .kdc-report-preview { background: #0f172a; border-color: var(--border); color: #94a3b8; }
[data-theme="dark"] .kdc-stat-card { background: #0f172a; border-color: var(--border); }
[data-theme="dark"] .kdc-kw-table th { background: #0f172a; }
[data-theme="dark"] .kdc-kw-table tr:hover td { background: #0f172a; }
[data-theme="dark"] .kdc-focus-card { background: #0f172a; border-color: var(--border); }
[data-theme="dark"] .kdc-rec-box { background: rgba(20,184,166,.1); border-color: rgba(94,234,212,.3); color: #5eead4; }
[data-theme="dark"] .kdc-heading-item { background: #0f172a; }
[data-theme="dark"] .kdc-word-stat { background: #0f172a; border-color: var(--border); }
[data-theme="dark"] .kdc-input-tab { color: #94a3b8; }
[data-theme="dark"] .kdc-input-tab.is-active { color: #5eead4; }