/* ===== PXLTool style.css ===== */
:root {
    --c-pink: #ec4899;
    --c-purple: #8b5cf6;
    --c-cyan: #06b6d4;
    --c-orange: #f97316;
    --c-emerald: #10b981;
    --c-indigo: #6366f1;

    --grad-brand: linear-gradient(135deg, #ec4899 0%, #8b5cf6 50%, #06b6d4 100%);
    --grad-brand-soft: linear-gradient(135deg, #fdf2f8 0%, #f5f3ff 50%, #ecfeff 100%);

    --c-text: #111827;
    --c-text-soft: #4b5563;
    --c-muted: #9ca3af;
    --c-line: #e5e7eb;
    --c-bg: #ffffff;
    --c-bg-soft: #f9fafb;

    --shadow-sm: 0 1px 3px rgba(17,24,39,0.06), 0 1px 2px rgba(17,24,39,0.04);
    --shadow-md: 0 4px 12px rgba(17,24,39,0.08), 0 2px 4px rgba(17,24,39,0.04);
    --shadow-lg: 0 10px 30px rgba(139,92,246,0.18), 0 4px 12px rgba(236,72,153,0.10);

    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 24px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Segoe UI', 'Noto Sans KR', sans-serif;
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.home {
    background: var(--grad-brand-soft);
    min-height: 100vh;
}

a { color: var(--c-purple); text-decoration: none; }
a:hover { text-decoration: underline; }

main { padding: 1rem; max-width: 1200px; margin: 0 auto; }

/* ===== Home Header ===== */
.home-header {
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    padding: 0.75rem 1rem;
}
.home-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.home-header-left { display: flex; align-items: center; gap: 0.75rem; }
.home-logo { height: 36px; width: auto; }
.home-tagline { color: var(--c-muted); font-size: 0.9rem; }
.btn-bookmark-main {
    background: var(--grad-brand);
    color: #fff;
    border: none;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-bookmark-main:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 3rem 1rem 2rem;
}
.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.6rem);
    font-weight: 800;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
    line-height: 1.25;
}
.grad-text {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-sub { color: var(--c-text-soft); font-size: 1.05rem; margin: 0; }

/* ===== Search ===== */
.search-container { position: relative; max-width: 640px; margin: 0 auto 1.5rem; }
.search-box {
    position: relative;
    background: #fff;
    border: 2px solid transparent;
    background-image: linear-gradient(#fff,#fff), var(--grad-brand);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    border-radius: 999px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
}
.search-icon { font-size: 1.1rem; margin-right: 0.5rem; }
#searchInput {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.85rem 0;
    background: transparent;
    font-size: 1rem;
    color: var(--c-text);
}
.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    max-height: 320px;
    overflow-y: auto;
    z-index: 20;
    display: none;
}
.autocomplete-item {
    padding: 0.7rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: 1px solid var(--c-line);
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover, .autocomplete-item.active { background: var(--grad-brand-soft); }

/* ===== Category tabs ===== */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 0 0 1.5rem;
}
.category-tab {
    background: #fff;
    border: 1px solid var(--c-line);
    color: var(--c-text-soft);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}
.category-tab:hover { border-color: var(--c-purple); color: var(--c-purple); }
.category-tab.active {
    background: var(--grad-brand);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

/* ===== Tool grid ===== */
.tool-section { margin-bottom: 2rem; }
.tool-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.85rem;
}
.tool-card {
    background: #fff;
    border-radius: var(--r-md);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    text-decoration: none;
    color: var(--c-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    border-top: 3px solid transparent;
}
.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}
.tool-card.cat-color    { border-top-color: var(--c-pink); }
.tool-card.cat-image    { border-top-color: var(--c-cyan); }
.tool-card.cat-typo     { border-top-color: var(--c-orange); }
.tool-card.cat-graphic  { border-top-color: var(--c-emerald); }
.tool-card.cat-web      { border-top-color: var(--c-indigo); }
.tool-card-icon { font-size: 2rem; line-height: 1; }
.tool-card-name { font-weight: 600; font-size: 0.95rem; }
.tool-card-desc { font-size: 0.8rem; color: var(--c-muted); }

/* ===== Sub-header (tool pages) ===== */
.sub-header {
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    padding: 0.6rem 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
}
.sub-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.sub-logo-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--c-text);
    text-decoration: none;
    font-weight: 700;
}
.sub-logo-link:hover { text-decoration: none; }
.sub-logo-icon { width: 28px; height: 28px; }
.sub-logo-text {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.1rem;
}
.sub-header-title { flex: 1; display: flex; align-items: center; gap: 0.5rem; min-width: 0; }
.sub-title-icon { font-size: 1.2rem; }
.sub-title-text { font-size: 1.05rem; font-weight: 600; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sub-header-nav { display: flex; gap: 0.4rem; }
.sub-nav-btn {
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
    border-radius: 999px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    color: var(--c-text);
    transition: all 0.15s ease;
}
.sub-nav-btn:hover { background: var(--grad-brand-soft); border-color: var(--c-purple); }

/* ===== Tool container ===== */
.tool-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 1rem;
}
.tool-intro {
    background: var(--grad-brand-soft);
    border-left: 4px solid var(--c-purple);
    padding: 1rem 1.2rem;
    border-radius: var(--r-sm);
    margin-bottom: 1.5rem;
    color: var(--c-text-soft);
}
.tool-intro strong { color: var(--c-text); }
.tool-disclaimer {
    background: #fff7ed;
    border-left: 4px solid var(--c-orange);
    padding: 0.75rem 1rem;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    color: #9a3412;
    margin: 1rem 0;
}

/* Form controls */
.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
}
label { font-weight: 600; font-size: 0.9rem; color: var(--c-text-soft); display: block; margin-bottom: 0.35rem; }
input[type="text"], input[type="number"], select, textarea {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--c-line);
    border-radius: var(--r-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--c-purple);
    box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}
input[type="color"] {
    width: 56px;
    height: 40px;
    padding: 2px;
    border: 1px solid var(--c-line);
    border-radius: var(--r-sm);
    cursor: pointer;
    background: #fff;
}
input[type="range"] { width: 100%; }

button.btn,
.btn {
    background: var(--grad-brand);
    color: #fff;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: var(--r-sm);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: var(--shadow-sm);
}
button.btn:hover, .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
button.btn-secondary,
.btn-secondary {
    background: #fff;
    color: var(--c-purple);
    border: 1px solid var(--c-purple);
}
button.btn-secondary:hover { background: var(--grad-brand-soft); }

.result-box {
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    padding: 1.25rem;
    margin: 1rem 0;
}
.result-box h3 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--c-text); }

/* SEO content */
.seo-content { margin-top: 2rem; color: var(--c-text-soft); }
.seo-content h3 { color: var(--c-text); font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }
.seo-content p { margin: 0 0 0.75rem; }
.seo-content ul { padding-left: 1.25rem; margin: 0 0 1rem; }
.seo-content li { margin-bottom: 0.35rem; }

.seo-bottom {
    max-width: 800px;
    margin: 3rem auto 1rem;
    padding: 0 1rem;
    color: var(--c-text-soft);
}
.seo-bottom-title {
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text);
    border-top: 1px solid var(--c-line);
    padding-top: 1.25rem;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.seo-toggle-icon { transition: transform 0.2s; }
.seo-bottom-content { display: none; padding-top: 0.75rem; }
.seo-bottom.open .seo-bottom-content { display: block; }
.seo-bottom.open .seo-toggle-icon { transform: rotate(180deg); }
.seo-faq details {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-sm);
    padding: 0.6rem 1rem;
    margin-bottom: 0.5rem;
}
.seo-faq summary { cursor: pointer; font-weight: 600; color: var(--c-text); }
.seo-faq p { margin: 0.5rem 0 0; }

/* Related */
.related-tools {
    max-width: 760px;
    margin: 2rem auto 1rem;
    padding: 0 1rem;
}
.related-tools h3 { font-size: 1rem; margin: 0 0 0.75rem; color: var(--c-text-soft); }
.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}
.related-tool-card {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-sm);
    padding: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--c-text);
    transition: all 0.15s ease;
}
.related-tool-card:hover {
    border-color: var(--c-purple);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}
.related-tool-icon { font-size: 1.4rem; }
.related-tool-name { font-size: 0.9rem; font-weight: 500; }

/* Floating share */
.share-btn-floating { position: fixed; bottom: 2rem; right: 2rem; z-index: 999; }
.share-btn {
    background: var(--grad-brand);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform 0.15s ease;
}
.share-btn:hover { transform: scale(1.05); }
.share-toast {
    display: none;
    position: absolute;
    bottom: 60px;
    right: 0;
    background: #1f2937;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1rem 1.5rem;
    color: var(--c-muted);
    font-size: 0.85rem;
    margin-top: 2rem;
    border-top: 1px solid var(--c-line);
    background: #fff;
}
.footer-links { margin-bottom: 0.5rem; }
.footer-links a { color: var(--c-text-soft); margin: 0 0.5rem; font-size: 0.85rem; }
.footer-links a:hover { color: var(--c-purple); }
.footer-sep { color: var(--c-line); }

/* Error page */
.error-page { background: var(--grad-brand-soft); min-height: 100vh; }
.error-main { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }
.error-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 420px;
}
.error-emoji { font-size: 3.5rem; margin-bottom: 0.75rem; }
.error-title { font-size: 1.5rem; margin: 0 0 0.75rem; }
.error-desc { color: var(--c-text-soft); margin: 0 0 1.5rem; }
.error-home-btn {
    display: inline-block;
    background: var(--grad-brand);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--r-sm);
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-md);
}
.error-home-btn:hover { text-decoration: none; transform: translateY(-1px); }

/* ===== Tool-specific helpers ===== */
.swatch-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.6rem;
    margin: 1rem 0;
}
@media (max-width: 600px) {
    .swatch-row { grid-template-columns: repeat(2, 1fr); }
}
.swatch {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    position: relative;
}
.swatch-color { aspect-ratio: 1 / 1; }
.swatch-info { padding: 0.5rem 0.6rem; text-align: center; }
.swatch-hex { font-family: 'Menlo', 'Consolas', monospace; font-size: 0.85rem; font-weight: 600; }
.swatch-lock {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(255,255,255,0.85);
    border: none;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-output {
    background: #1f2937;
    color: #e5e7eb;
    padding: 0.85rem 1rem;
    border-radius: var(--r-sm);
    font-family: 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    position: relative;
    margin: 0.5rem 0;
}
.code-copy-btn {
    position: absolute;
    top: 0.4rem;
    right: 0.4rem;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
}
.code-copy-btn:hover { background: rgba(255,255,255,0.2); }

/* ===== File upload (reusable across image tools) ===== */
.file-upload {
    display: block;
    border: 2px dashed var(--c-line);
    border-radius: var(--r-md);
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--c-bg-soft);
    position: relative;
}
.file-upload:hover {
    border-color: var(--c-purple);
    background: var(--grad-brand-soft);
    transform: translateY(-1px);
}
.file-upload.drag-over {
    border-color: var(--c-purple);
    border-style: solid;
    background: var(--grad-brand-soft);
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}
.file-upload-icon {
    font-size: 2.6rem;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}
.file-upload-text {
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}
.file-upload-text .accent {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.file-upload-hint {
    font-size: 0.85rem;
    color: var(--c-muted);
}
.file-upload-name {
    margin-top: 0.6rem;
    padding: 0.55rem 0.85rem;
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    color: var(--c-text-soft);
    display: none;
    word-break: break-all;
}
.file-upload-name.show { display: block; }
.file-upload-name strong { color: var(--c-purple); margin-right: 0.4rem; }

@media (max-width: 600px) {
    .home-header-inner { flex-direction: column; align-items: flex-start; }
    .sub-title-text { font-size: 0.95rem; }
    .hero-title { font-size: 1.6rem; }
}