/* =========================================================
   PenXtool — Tools & Blog UI
   ========================================================= */
.tool-hero { padding-bottom: clamp(56px, 6vw, 88px); }
.tool-hero h1 { font-size: clamp(38px, 6vw, 88px); max-width: 16ch; }
.tool-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.tool-badges span { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); font-size: 14px; color: #fff; }
.tool-badges svg { width: 15px; height: 15px; color: var(--cyan); }

/* Tools directory */
.tools-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.tools-filter button, .chipbtn { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 10px 18px; font-weight: 500; font-size: 15px; cursor: pointer; transition: all .25s; }
.tools-filter button[aria-pressed="true"], .chipbtn[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.tool-card { position: relative; display: flex; flex-direction: column; gap: 16px; padding: 30px; border-radius: 26px; background: var(--soft); border: 1px solid transparent; text-decoration: none; min-height: 270px; transition: border-color .3s, background .3s, transform .5s var(--ease); overflow: hidden; }
.tool-card:hover { background: #fff; border-color: var(--line); transform: translateY(-4px); box-shadow: 0 30px 60px -40px rgba(1,0,82,.35); }
.tool-card.featured { background: var(--ink); color: #fff; }
.tool-card.featured:hover { background: #07067a; border-color: transparent; }
.tool-card .ticon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: #fff; color: var(--volt); border: 1px solid var(--line); }
.tool-card.featured .ticon { background: var(--cyan); color: var(--ink); border-color: transparent; }
.tool-card .ticon svg { width: 26px; height: 26px; }
.tool-card h3 { font-size: 22px; }
.tool-card p { color: var(--muted); font-size: 16px; }
.tool-card.featured p { color: #c3c6f0; }
.tool-card .tmeta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-size: 14px; color: var(--muted); }
.tool-card.featured .tmeta { color: #c3c6f0; }
.tool-card .tgo { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); color: var(--ink); transition: transform .5s var(--ease), background .3s; }
.tool-card:hover .tgo { transform: rotate(-45deg); background: var(--cyan); border-color: var(--cyan); }
.tool-card .tgo svg { width: 18px; height: 18px; }

/* Tool workspace shell */
.tool-wrap { padding-block: clamp(48px, 6vw, 88px) clamp(80px, 9vw, 130px); }
.tool-grid { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 28px; align-items: start; }
.tool-grid.wide-left { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 1000px) { .tool-grid, .tool-grid.wide-left { grid-template-columns: 1fr; } }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 26px; }
.panel + .panel { margin-top: 16px; }
.panel h2, .panel h3.ph { font-size: 18px; font-stretch: 112%; margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.panel.soft { background: var(--soft); border-color: transparent; }
.sticky-panel { position: sticky; top: 110px; }
@media (max-width: 1000px) { .sticky-panel { position: static; } }

.f { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.f label, .flabel { font-size: 13px; font-weight: 600; color: var(--muted); }
.f input, .f select, .f textarea, .inp { font: inherit; font-size: 15px; color: var(--ink); background: var(--soft); border: 1.5px solid transparent; border-radius: 12px; padding: 11px 13px; min-height: 44px; width: 100%; transition: border-color .2s, background .2s; }
.f textarea { min-height: 80px; resize: vertical; }
.f input:focus, .f select:focus, .f textarea:focus, .inp:focus { outline: none; border-color: var(--volt); background: #fff; }
.f input[type="color"] { padding: 4px; height: 44px; cursor: pointer; }
.f input[type="range"] { padding: 0; background: transparent; min-height: 30px; accent-color: var(--volt); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .row2, .row3 { grid-template-columns: 1fr; } }
.hint { font-size: 13px; color: var(--muted); }
.btns { display: flex; flex-wrap: wrap; gap: 10px; }
.btn.sm { min-height: 42px; padding: 0 18px; font-size: 14px; }
.btn--soft { --bg: var(--soft); --fg: var(--ink); }
.btn--soft::after { background: var(--ink); }
.btn--soft:hover { color: #fff; }
.btn[disabled] { opacity: .5; pointer-events: none; }
.iconbtn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; cursor: pointer; color: var(--muted); transition: all .2s; flex-shrink: 0; }
.iconbtn:hover { color: #c0392b; border-color: #f0c7c2; background: #fff5f4; }
.iconbtn svg { width: 16px; height: 16px; }

/* Dropzone */
.drop { position: relative; border: 2px dashed #c9cdee; border-radius: 22px; background: var(--soft); padding: 40px 24px; text-align: center; cursor: pointer; transition: border-color .25s, background .25s; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.drop:hover, .drop.over { border-color: var(--volt); background: #eef0ff; }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop .dicon { width: 56px; height: 56px; border-radius: 16px; background: #fff; display: grid; place-items: center; color: var(--volt); border: 1px solid var(--line); }
.drop .dicon svg { width: 26px; height: 26px; }
.drop strong { font-size: 17px; }
.drop span { font-size: 14px; color: var(--muted); }

.checker { background-color: #fff; background-image: linear-gradient(45deg, #e8eaf4 25%, transparent 25%), linear-gradient(-45deg, #e8eaf4 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e8eaf4 75%), linear-gradient(-45deg, transparent 75%, #e8eaf4 75%); background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0; }
.px-toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 999px; font-size: 15px; opacity: 0; pointer-events: none; transition: opacity .3s, transform .4s var(--ease); z-index: 600; box-shadow: 0 20px 40px -20px rgba(1,0,82,.6); }
.px-toast.show { opacity: 1; transform: translate(-50%, 0); }
.privacy-note { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); padding: 14px 16px; border-radius: 14px; background: var(--cyan-tint, #e3f9f9); margin-top: 16px; }
.privacy-note svg { width: 18px; height: 18px; color: var(--ink); flex-shrink: 0; margin-top: 2px; }
.progressbar { height: 6px; border-radius: 99px; background: var(--soft); overflow: hidden; }
.progressbar i { display: block; height: 100%; width: 0; background: var(--volt); transition: width .3s; }
.tabs { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--soft); gap: 4px; flex-wrap: wrap; }
.tabs button { border: 0; background: transparent; border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: 14px; cursor: pointer; color: var(--muted); }
.tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 4px 12px -6px rgba(1,0,82,.3); }

/* ---------- Invoice ---------- */
.items-head, .item-row { display: grid; grid-template-columns: minmax(0, 1fr) 70px 96px 38px; gap: 8px; align-items: center; }
.items-head { font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; padding: 0 2px; }
.item-row { margin-bottom: 8px; }
.item-row .inp { min-height: 40px; padding: 8px 10px; font-size: 14px; }
.logo-slot { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.logo-prev { width: 72px; height: 72px; border-radius: 14px; border: 1.5px dashed #c9cdee; display: grid; place-items: center; overflow: hidden; background: var(--soft); flex-shrink: 0; position: relative; cursor: pointer; }
.logo-prev img { max-width: 100%; max-height: 100%; object-fit: contain; }
.logo-prev input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.logo-prev svg { width: 22px; height: 22px; color: var(--faint); }
.saved-list { display: flex; flex-direction: column; gap: 8px; max-height: 280px; overflow: auto; }
.saved-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; background: var(--soft); }
.saved-item button.load { flex: 1; text-align: left; background: none; border: 0; cursor: pointer; font: inherit; }
.saved-item small { display: block; color: var(--muted); font-size: 12px; }

.inv-stage { background: #e9ecf7; border-radius: 24px; padding: clamp(14px, 3vw, 36px); overflow: auto; }
.inv-sheet { --accent: #021bf9; width: 794px; min-height: 1123px; margin: 0 auto; background: #fff; color: #10123a; font-family: "Instrument Sans", system-ui, sans-serif; font-size: 13px; line-height: 1.5; padding: 56px 56px 48px; box-shadow: 0 30px 60px -30px rgba(1,0,82,.35); position: relative; transform-origin: top left; }
.inv-sheet .bar { position: absolute; left: 0; right: 0; top: 0; height: 8px; background: var(--accent); }
.inv-top { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.inv-logo { max-height: 64px; max-width: 220px; object-fit: contain; }
.inv-biz strong { font-size: 18px; display: block; margin-top: 10px; }
.inv-biz div, .inv-to div { color: #50537a; white-space: pre-line; }
.inv-title { text-align: right; }
.inv-title h2 { font-family: "Archivo", sans-serif; font-stretch: 125%; font-weight: 800; font-size: 34px; letter-spacing: -0.01em; color: var(--accent); margin: 0; text-transform: uppercase; }
.inv-title table { margin-left: auto; margin-top: 10px; border-collapse: collapse; }
.inv-title td { padding: 2px 0 2px 16px; text-align: right; }
.inv-title td:first-child { color: #7a7da3; }
.inv-to { margin-top: 40px; display: flex; justify-content: space-between; gap: 24px; }
.inv-to h4 { margin: 0 0 6px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: #7a7da3; }
.inv-to strong { font-size: 15px; display: block; }
.inv-amount { text-align: right; }
.inv-amount b { display: block; font-family: "Archivo", sans-serif; font-stretch: 125%; font-size: 26px; color: #10123a; }
.inv-table { width: 100%; border-collapse: collapse; margin-top: 32px; }
.inv-table th { text-align: left; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: #fff; background: var(--accent); padding: 10px 12px; }
.inv-table th:not(:first-child), .inv-table td:not(:first-child) { text-align: right; white-space: nowrap; }
.inv-table td { padding: 12px; border-bottom: 1px solid #ebedf6; vertical-align: top; }
.inv-totals { margin-left: auto; margin-top: 18px; width: 300px; border-collapse: collapse; }
.inv-totals td { padding: 7px 12px; text-align: right; }
.inv-totals td:first-child { text-align: left; color: #7a7da3; }
.inv-totals tr.grand td { font-weight: 700; font-size: 16px; border-top: 2px solid var(--accent); padding-top: 12px; color: #10123a; }
.inv-notes { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.inv-notes h4 { margin: 0 0 6px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: #7a7da3; }
.inv-notes div { white-space: pre-line; color: #50537a; }
.inv-foot { position: absolute; left: 56px; right: 56px; bottom: 36px; display: flex; justify-content: space-between; color: #9a9cc4; font-size: 11px; border-top: 1px solid #ebedf6; padding-top: 12px; }

/* ---------- Image tools ---------- */
.file-list { display: flex; flex-direction: column; gap: 10px; }
.file-row { display: grid; grid-template-columns: 64px minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 10px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.file-row img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; background: var(--soft); }
.file-row .fn { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-row .fs { font-size: 13px; color: var(--muted); }
.file-row .saved { color: #0b7a6d; font-weight: 600; }
.bg-stage { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); min-height: 360px; display: grid; place-items: center; }
.bg-stage canvas { max-width: 100%; height: auto; display: block; touch-action: none; }
.bg-stage.brush canvas { cursor: crosshair; }
.bg-busy { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(255,255,255,.8); backdrop-filter: blur(6px); z-index: 2; text-align: center; padding: 24px; }
.bg-busy[hidden] { display: none; }
.bg-busy .spinner { width: 44px; height: 44px; border-radius: 50%; border: 3px solid var(--line); border-top-color: var(--volt); animation: spin 1s linear infinite; margin: 0 auto 14px; }
@keyframes spin { to { transform: rotate(360deg); } }
.swatch-row { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch-row button { width: 36px; height: 36px; border-radius: 10px; border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line); cursor: pointer; }
.swatch-row button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--volt); }

/* ---------- Rate calculator ---------- */
.result-big { background: var(--ink); color: #fff; border-radius: 24px; padding: 30px; }
.result-big .lbl { color: #c3c6f0; font-size: 14px; }
.result-big .num { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(40px, 5vw, 64px); line-height: 1; margin: 8px 0 4px; color: #fff; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin-top: 12px; }
.result-grid > div { background: var(--soft); border-radius: 18px; padding: 18px; }
.result-grid .num { font-family: var(--f-display); font-stretch: 118%; font-weight: 700; font-size: 26px; margin-top: 4px; }
.breakdown { width: 100%; border-collapse: collapse; font-size: 15px; }
.breakdown td { padding: 9px 0; border-bottom: 1px solid var(--line); }
.breakdown td:last-child { text-align: right; font-weight: 600; }

/* ---------- Time tracker ---------- */
.timer-face { font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: clamp(44px, 6vw, 72px); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; line-height: 1; }
.timer-card { background: var(--ink); color: #fff; border-radius: 24px; padding: 28px; display: flex; flex-direction: column; gap: 18px; }
.timer-card .inp { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.12); }
.timer-card .inp::placeholder { color: #9a9cc4; }
.timer-card select.inp option { color: var(--ink); }
.timer-card .live-dot { width: 10px; height: 10px; border-radius: 50%; background: #ff5a5f; display: inline-block; animation: ping 1.4s infinite; }
.proj-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.proj-chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; background: var(--soft); font-size: 14px; }
.proj-chip i { width: 10px; height: 10px; border-radius: 50%; }
.proj-chip button { border: 0; background: none; cursor: pointer; color: var(--muted); padding: 0 0 0 4px; font-size: 16px; line-height: 1; }
.entries { width: 100%; border-collapse: collapse; font-size: 14px; }
.entries th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.entries td { padding: 10px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.entries td.num { font-variant-numeric: tabular-nums; text-align: right; }
.entries .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 8px; }
.table-scroll { overflow-x: auto; }
.stat-cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.stat-cards > div { background: var(--soft); border-radius: 18px; padding: 16px; }
.stat-cards b { display: block; font-family: var(--f-display); font-stretch: 112%; font-size: 24px; margin-top: 4px; }
@media (max-width: 560px) { .stat-cards { grid-template-columns: 1fr; } }

/* ---------- QR ---------- */
.qr-out { display: grid; place-items: center; padding: 30px; border-radius: 24px; background: var(--soft); min-height: 380px; }
.qr-out canvas { max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 30px 60px -40px rgba(1,0,82,.45); }

/* ---------- Palette ---------- */
.palette { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.pal { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.pal .chip { height: 110px; display: flex; align-items: flex-end; padding: 10px; font-weight: 700; font-size: 13px; }
.pal .meta { padding: 10px 12px; font-size: 13px; display: flex; flex-direction: column; gap: 4px; }
.pal .meta button { border: 0; background: none; padding: 0; text-align: left; cursor: pointer; font: inherit; color: var(--ink); }
.pal .meta button:hover { color: var(--volt); }
.pal .meta span { color: var(--muted); }
.contrast-demo { border-radius: 20px; padding: 28px; border: 1px solid var(--line); }
.contrast-demo .big { font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: 28px; }
.ratio { font-family: var(--f-display); font-stretch: 112%; font-weight: 800; font-size: 44px; line-height: 1; }
.pass-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; margin-top: 14px; }
.pass-grid div { padding: 10px 12px; border-radius: 12px; font-size: 14px; font-weight: 600; display: flex; justify-content: space-between; }
.pass-grid .ok { background: #e2f7ef; color: #0b6b55; }
.pass-grid .no { background: #fdeceb; color: #a8322a; }

/* ---------- Blog ---------- */
.blog-toolbar { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; align-items: center; }
.blog-search { position: relative; min-width: min(320px, 100%); }
.blog-search input { width: 100%; font: inherit; padding: 13px 16px 13px 44px; border-radius: 999px; border: 1px solid var(--line); background: #fff; }
.blog-search input:focus { outline: none; border-color: var(--volt); }
.blog-search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); }
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px 22px; }
.post-card { display: flex; flex-direction: column; gap: 16px; text-decoration: none; }
.post-card .cover { border-radius: 24px; overflow: hidden; aspect-ratio: 16/10; background: var(--ink); }
.post-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.post-card:hover .cover img { transform: scale(1.05); }
.post-meta { display: flex; gap: 12px; align-items: center; font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.post-meta .cat { padding: 5px 12px; border-radius: 999px; background: var(--soft); color: var(--volt); font-weight: 600; font-size: 13px; }
.post-card h3 { font-size: clamp(20px, 1.8vw, 24px); transition: color .3s; }
.post-card:hover h3 { color: var(--volt); }
.post-card p { color: var(--muted); }
.post-card.lead { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 36px; align-items: center; }
.post-card.lead h3 { font-size: clamp(26px, 3vw, 42px); }
@media (max-width: 860px) { .post-card.lead { grid-template-columns: 1fr; } }
.empty { padding: 60px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 24px; }

.article { max-width: 760px; margin: 0 auto; }
.article-cover { border-radius: 28px; overflow: hidden; aspect-ratio: 16/8; margin: -40px auto 48px; max-width: 1000px; position: relative; z-index: 2; box-shadow: 0 40px 80px -50px rgba(1,0,82,.6); background: var(--ink); }
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.prose { font-size: 18px; line-height: 1.75; color: #2a2c5a; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: clamp(24px, 2.4vw, 32px); margin-top: 1.8em; color: var(--ink); }
.prose h3 { font-size: 21px; margin-top: 1.5em; color: var(--ink); }
.prose a { color: var(--volt); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.prose blockquote { margin-left: 0; padding: 18px 22px; border-radius: 16px; background: var(--soft); color: var(--ink); font-weight: 600; }
.prose blockquote p { margin: 0; }
.prose code { background: var(--soft); padding: 2px 7px; border-radius: 6px; font-size: .9em; }
.prose table { width: 100%; border-collapse: collapse; font-size: 16px; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { color: var(--muted); font-size: 14px; }
.article-tool { margin-top: 56px; border-radius: 24px; background: var(--ink); color: #fff; padding: 30px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.article-tool h3 { font-size: 22px; }
.article-tool p { color: #c3c6f0; margin-top: 6px; }
.share-row { display: flex; gap: 10px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); align-items: center; flex-wrap: wrap; color: var(--muted); font-size: 14px; }

/* Home teaser */
.tools-teaser { background: var(--soft); }
.tt-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1060px) { .tt-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .tt-grid { grid-template-columns: 1fr; } }

@media print {
  body * { visibility: hidden !important; }
  .inv-sheet, .inv-sheet * { visibility: visible !important; }
  .inv-sheet { position: absolute; left: 0; top: 0; box-shadow: none; transform: none !important; }
  @page { size: A4; margin: 0; }
}
[hidden] { display: none !important; }