/* Nền tảng Tiện ích Online — Hub, danh mục, trang công cụ. Font hệ thống Arial; tiêu đề 700; không ghi đè font icon. */
:root{--sou-ink:#10245e;--sou-text:#26365f;--sou-muted:#5d6f96;--sou-line:#dce6ff;--sou-soft:#f4f7ff;--sou-primary:#285bed;--sou-primary-dark:#1948c6;--sou-ok:#167542;--sou-ok-bg:#e5f7ec;--sou-warn:#8a5900;--sou-warn-bg:#fff4dd;--sou-err:#a1271b;--sou-err-bg:#fde8e6;--sou-radius:16px}
.sou-page{max-width:1200px;margin:0 auto;padding:20px 16px 64px;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;color:var(--sou-text);font-size:16px;line-height:1.55}
.sou-page *{box-sizing:border-box}
.sou-page [hidden]{display:none!important}
.sou-page h1,.sou-page h2,.sou-page h3{font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-weight:700;color:var(--sou-ink);line-height:1.25;margin:0}
.sou-page h1{font-size:34px;margin:6px 0 10px;overflow-wrap:anywhere}
.sou-page h2{font-size:22px}
.sou-page h3{font-size:17px;margin:16px 0 6px}
.sou-page a{color:var(--sou-primary)}
.sou-visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sou-breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:14px;color:var(--sou-muted);margin-bottom:14px}
.sou-breadcrumb a{color:var(--sou-muted);text-decoration:none}
.sou-breadcrumb a:hover{color:var(--sou-primary);text-decoration:underline}
.sou-breadcrumb [aria-current]{color:var(--sou-ink);font-weight:700;overflow-wrap:anywhere}
.sou-eyebrow{display:inline-flex;gap:6px;align-items:center;color:var(--sou-primary);font-size:13px;font-weight:700;letter-spacing:.04em;text-decoration:none;text-transform:uppercase}
.sou-hero{padding:28px;border:1px solid var(--sou-line);border-radius:22px;background:linear-gradient(135deg,#eef4ff,#fff 70%)}
.sou-hero>p{margin:0 0 16px;max-width:720px;color:var(--sou-muted);font-size:18px}
.sou-search{display:flex;align-items:center;gap:8px;max-width:720px;padding:6px 6px 6px 14px;border:1px solid #cfdcf2;border-radius:14px;background:#fff;box-shadow:0 6px 20px rgba(16,36,94,.06)}
.sou-search .fa{color:var(--sou-muted)}
.sou-search input{flex:1;min-width:0;min-height:46px;border:0;font:inherit;font-size:17px;color:var(--sou-text);background:transparent;outline:none}
.sou-search:focus-within{outline:2px solid #3869ed;outline-offset:2px}
.sou-search-status{margin:10px 0 0;color:var(--sou-muted);font-size:14px;min-height:1px}
.sou-hints{margin:12px 0 0;color:var(--sou-muted);font-size:15px}
.sou-hints a{display:inline-block;margin:4px 6px 0 0;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--sou-line);text-decoration:none;font-weight:700}
.sou-badges{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;margin:16px 0 0;padding:0;color:var(--sou-ink);font-weight:700;font-size:14px}
.sou-badges .fa{color:var(--sou-primary)}
.sou-section{margin-top:44px}
.sou-section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sou-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;list-style:none;margin:0;padding:0}
.sou-results{margin-top:14px;max-width:960px}
.sou-card,.sou-cat,.sou-module{display:flex;flex-direction:column;gap:10px;height:100%;padding:18px;border:1px solid var(--sou-line);border-radius:var(--sou-radius);background:#fff;color:var(--sou-text);text-decoration:none;min-height:44px;transition:border-color .15s,box-shadow .15s}
.sou-card:hover,.sou-cat:hover,.sou-module:hover,.sou-card:focus-visible,.sou-cat:focus-visible,.sou-module:focus-visible{border-color:#9db6f3;box-shadow:0 8px 24px rgba(16,36,94,.08)}
.sou-card:focus-visible,.sou-cat:focus-visible,.sou-module:focus-visible{outline:2px solid #3869ed;outline-offset:2px}
.sou-card-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--sou-soft);color:var(--sou-primary);font-size:20px}
.sou-card-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.sou-card-body small{color:var(--sou-muted);font-size:13px;font-weight:700}
.sou-card-body strong{color:var(--sou-ink);font-size:17px;overflow-wrap:anywhere}
.sou-card-body span{color:var(--sou-muted);font-size:15px;overflow-wrap:anywhere}
.sou-card-go{margin-top:auto;color:var(--sou-primary);font-weight:700;font-size:14px}
.sou-cats .sou-cat{flex-direction:row;align-items:flex-start;gap:14px}
.sou-collections{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.sou-collection{padding:18px;border-radius:var(--sou-radius);background:var(--sou-soft);border:1px solid var(--sou-line)}
.sou-collection h3{margin:0 0 6px}
.sou-collection p{margin:0 0 10px;color:var(--sou-muted);font-size:15px}
.sou-collection ul{margin:0;padding-left:18px}
.sou-collection li{margin:4px 0}
.sou-benefits ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;list-style:none;margin:0;padding:0}
.sou-benefits li{display:grid;grid-template-columns:36px 1fr;gap:2px 10px;padding:16px;border-radius:var(--sou-radius);background:#f7f9fd}
.sou-benefits .fa{grid-row:span 2;font-size:22px;color:var(--sou-primary);margin-top:2px}
.sou-benefits strong{color:var(--sou-ink)}
.sou-benefits span:last-child{color:var(--sou-muted);font-size:15px}
.sou-module strong{color:var(--sou-ink);font-size:17px}
.sou-module span,.sou-module em{color:var(--sou-muted);font-style:normal;font-size:15px}
.sou-module em{color:var(--sou-primary);font-weight:700}
.sou-faq details{border-bottom:1px solid var(--sou-line);padding:4px 0}
.sou-faq summary{cursor:pointer;padding:12px 0;font-weight:700;color:var(--sou-ink);min-height:44px;list-style-position:outside}
.sou-faq details p{margin:0 0 12px;color:var(--sou-text)}
.sou-chips{display:flex;flex-wrap:wrap;gap:8px}
.sou-chips a{padding:8px 14px;border-radius:999px;border:1px solid var(--sou-line);background:#fff;text-decoration:none;font-weight:700;min-height:44px;display:inline-flex;align-items:center}
.sou-link-button{border:0;background:none;color:var(--sou-primary);font:700 14px Arial,"Helvetica Neue",Helvetica,sans-serif;cursor:pointer;min-height:44px;padding:0 4px}
.sou-intro{margin-bottom:18px}
.sou-value{margin:0 0 12px;max-width:760px;font-size:18px;color:var(--sou-muted)}
.sou-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0}
.sou-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--sou-ok-bg);color:var(--sou-ok);font-weight:700;font-size:13px}
.sou-tag+.sou-tag{background:var(--sou-soft);color:var(--sou-ink)}
.sou-fav{margin-left:auto;border:1px solid var(--sou-line);background:#fff;border-radius:999px;padding:6px 12px;min-height:40px;font:700 13px Arial,"Helvetica Neue",Helvetica,sans-serif;color:var(--sou-ink);cursor:pointer}
.sou-fav[aria-pressed=true]{background:#fff6d9;border-color:#f0c64b}
.sou-workspace{padding:22px;border:1px solid var(--sou-line);border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(16,36,94,.06)}
.sou-panel{padding:22px;border:1px solid var(--sou-line);border-radius:20px;background:#fff}
.sou-paused{background:var(--sou-warn-bg);border-color:#f0d39a}
.sou-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
.sou-columns>*{min-width:0}
.sou-field{margin:0 0 14px;min-width:0}
.sou-field>label,.sou-field>legend,.sou-label{display:block;margin:0 0 6px;padding:0;border:0;font-weight:700;color:var(--sou-ink);font-size:15px}
.sou-field small,.sou-help{display:block;margin-top:4px;color:var(--sou-muted);font-size:14px}
.sou-input,.sou-page input[type=text],.sou-page input[type=number],.sou-page input[type=date],.sou-page input[type=time],.sou-page input[type=datetime-local],.sou-page input[type=email],.sou-page input[type=url],.sou-page input[type=tel],.sou-page input[type=password],.sou-page select,.sou-page textarea{width:100%;min-height:46px;padding:10px 12px;border:1px solid #cfdcf2;border-radius:10px;background:#fff;font:inherit;font-size:16px;color:var(--sou-text)}
.sou-page textarea{min-height:160px;resize:vertical;line-height:1.5}
.sou-page input[type=range]{width:100%}
.sou-page input[type=color]{width:56px;height:46px;padding:4px;border:1px solid #cfdcf2;border-radius:10px;background:#fff}
.sou-page input:focus,.sou-page select:focus,.sou-page textarea:focus,.sou-page button:focus-visible{outline:2px solid #3869ed;outline-offset:2px}
.sou-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.sou-row>.sou-field{flex:1 1 160px}
.sou-check{display:flex;gap:10px;align-items:flex-start;min-height:44px;padding:8px 0;font-weight:400;color:var(--sou-text);cursor:pointer}
.sou-check input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--sou-primary)}
.sou-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border:0;border-radius:12px;background:var(--sou-primary);color:#fff!important;font:700 16px Arial,"Helvetica Neue",Helvetica,sans-serif;text-decoration:none;cursor:pointer}
.sou-button:hover{background:var(--sou-primary-dark)}
.sou-button[disabled],.sou-button[aria-disabled=true]{opacity:.6;cursor:not-allowed}
.sou-button.secondary{background:#edf3ff;color:#244fba!important}
.sou-button.secondary:hover{background:#dde8ff}
.sou-button.ghost{background:#fff;border:1px solid var(--sou-line);color:var(--sou-ink)!important}
.sou-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.sou-presets{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.sou-presets button{min-height:40px;padding:6px 14px;border:1px solid var(--sou-line);border-radius:999px;background:var(--sou-soft);color:var(--sou-ink);font:700 14px Arial,"Helvetica Neue",Helvetica,sans-serif;cursor:pointer}
.sou-presets button[aria-pressed=true]{background:var(--sou-primary);border-color:var(--sou-primary);color:#fff}
.sou-status{margin:12px 0;padding:12px 14px;border-radius:12px;font-weight:700}
.sou-status:empty{display:none}
.sou-status.info,.sou-status.processing{background:var(--sou-soft);color:#244fba}
.sou-status.success{background:var(--sou-ok-bg);color:var(--sou-ok)}
.sou-status.invalid,.sou-status.failed{background:var(--sou-err-bg);color:var(--sou-err)}
.sou-status.cancelled{background:var(--sou-warn-bg);color:var(--sou-warn)}
.sou-field-error{display:block;margin-top:6px;color:var(--sou-err);font-size:14px;font-weight:700}
.sou-input.has-error,.sou-page .has-error input,.sou-page .has-error textarea,.sou-page .has-error select{border-color:#c0392b}
.sou-progress{width:100%;height:10px;border-radius:999px;background:var(--sou-soft);overflow:hidden}
.sou-progress>span{display:block;height:100%;width:0;background:var(--sou-primary);transition:width .2s}
.sou-result{padding:18px;border-radius:16px;background:#f7f9fd;border:1px solid var(--sou-line);min-width:0}
.sou-result h2,.sou-result h3{margin:0 0 10px;font-size:18px}
.sou-big{font-size:40px;font-weight:700;color:var(--sou-ink);line-height:1.15;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.sou-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:0;padding:0;list-style:none}
.sou-stats li{padding:12px;border-radius:12px;background:#fff;border:1px solid var(--sou-line)}
.sou-stats strong{display:block;font-size:24px;color:var(--sou-ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.sou-stats span{color:var(--sou-muted);font-size:14px}
.sou-table-wrap{overflow-x:auto;border:1px solid var(--sou-line);border-radius:12px;background:#fff}
.sou-table{width:100%;border-collapse:collapse;font-size:15px}
.sou-table th,.sou-table td{padding:10px 12px;border-top:1px solid #edf1f9;text-align:left;vertical-align:top}
.sou-table th{background:var(--sou-soft);color:var(--sou-ink);border-top:0;white-space:nowrap}
.sou-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.sou-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.sou-toolbar .sou-button{min-height:42px;padding:8px 14px;font-size:15px}
.sou-drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:180px;padding:24px;border:2px dashed #b9cbf3;border-radius:16px;background:#fbfcff;text-align:center;cursor:pointer}
.sou-drop.is-over{border-color:var(--sou-primary);background:#eef4ff}
.sou-drop .fa{font-size:34px;color:var(--sou-primary)}
.sou-drop strong{color:var(--sou-ink)}
.sou-files{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.sou-files li{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--sou-line);border-radius:12px;background:#fff}
.sou-files li>span{min-width:0;overflow-wrap:anywhere}
.sou-preview{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--sou-line);background:repeating-conic-gradient(#f2f4f8 0% 25%,#fff 0% 50%) 50%/20px 20px}
.sou-alert{padding:12px 14px;border-radius:12px;background:var(--sou-warn-bg);color:var(--sou-warn);font-weight:700}
.sou-privacy{margin-top:18px;padding:14px 18px;border-radius:14px;background:#f7f9fd;border:1px solid var(--sou-line)}
.sou-privacy h2{font-size:16px;margin:0 0 4px}
.sou-privacy p{margin:0;color:var(--sou-muted);font-size:15px}
.sou-guide ol{margin:10px 0 0;padding-left:24px;list-style:decimal}
.sou-guide ol li{display:list-item}
.sou-guide li{margin:6px 0}
.sou-guide p{margin:0;color:var(--sou-text)}
.sou-cta{display:grid;gap:12px}
.sou-cta .sou-module{background:linear-gradient(135deg,#f5f9ff,#fff)}
.sou-link{font-weight:700;text-decoration:none}
.sou-notfound .sou-search{margin:14px 0}
.sou-fullscreen{position:fixed!important;inset:0;z-index:9999;margin:0!important;border-radius:0!important;overflow:auto;background:#fff}
.sou-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:10000;max-width:min(92vw,520px);padding:12px 18px;border-radius:12px;background:#10245e;color:#fff;font:700 15px Arial,"Helvetica Neue",Helvetica,sans-serif;box-shadow:0 10px 30px rgba(0,0,0,.2)}
@media(max-width:860px){.sou-columns{grid-template-columns:1fr}}
@media(max-width:600px){.sou-page{padding:14px 12px 48px}.sou-page h1{font-size:26px}.sou-hero{padding:18px;border-radius:18px}.sou-hero>p,.sou-value{font-size:16px}.sou-search{flex-wrap:wrap;padding:8px}.sou-search input{flex-basis:calc(100% - 40px)}.sou-search .sou-button{width:100%}.sou-workspace,.sou-panel{padding:16px;border-radius:16px}.sou-grid{grid-template-columns:1fr}.sou-big{font-size:32px}.sou-actions .sou-button{flex:1 1 100%}.sou-fav{margin-left:0}.sou-section{margin-top:32px}}
@media print{.sou-breadcrumb,.sou-search,.sou-hints,.sou-section,.sou-privacy,.sou-actions,.sou-toolbar,.sou-presets,.sou-fav,header .sou-tags{display:none!important}.sou-workspace{border:0;box-shadow:none;padding:0}}