/* =========================================================
   TOOLNEST — FRONTEND STYLESHEET
   Loaded only on ToolNest pages (tool single, category, search).
   Design tokens are namespaced --tn-* to avoid clobbering theme CSS.
   ========================================================= */

:root{
  --tn-primary:#2563eb;
  --tn-primary-dark:#1d4ed8;
  --tn-accent:#38bdf8;
  --tn-ink:#0f172a;
  --tn-text:#0f172a;
  --tn-text-muted:#5b6472;
  --tn-bg:#f7f9fc;
  --tn-surface:#ffffff;
  --tn-surface-glass:rgba(255,255,255,.7);
  --tn-border:rgba(15,23,42,.08);
  --tn-radius:14px;
  --tn-radius-sm:9px;
  --tn-shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --tn-shadow-md:0 10px 26px rgba(15,23,42,.1);
  --tn-max:1200px;
  --tn-ease:cubic-bezier(.4,0,.2,1);
}
[data-tn-theme="dark"]{
  --tn-text:#e5eaf3; --tn-text-muted:#95a1b8; --tn-bg:#0b1120;
  --tn-surface:#111a2e; --tn-surface-glass:rgba(17,26,46,.7); --tn-border:rgba(255,255,255,.08);
}

.toolnest-container{max-width:var(--tn-max); margin-inline:auto; padding:0 20px 48px;}
.toolnest-container *{box-sizing:border-box;}
.toolnest-section{margin:36px 0;}
.toolnest-section h2{font-size:1.4rem; margin-bottom:14px;}
.glass-card, .toolnest-widget{
  background:var(--tn-surface-glass); backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--tn-border); border-radius:var(--tn-radius); box-shadow:var(--tn-shadow-sm);
}

/* Breadcrumbs */
.toolnest-breadcrumbs{padding:16px 0 4px; font-size:.85rem; color:var(--tn-text-muted);}
.toolnest-breadcrumbs ol{display:flex; flex-wrap:wrap; gap:6px; list-style:none; margin:0; padding:0;}
.toolnest-breadcrumbs a{color:var(--tn-text-muted); text-decoration:none;}
.toolnest-breadcrumbs a:hover{color:var(--tn-primary);}
.toolnest-breadcrumbs .sep{opacity:.5;}

/* Tool header */
.toolnest-tool-header{padding:20px 0 8px; text-align:left;}
.toolnest-tool-header h1{font-size:clamp(1.5rem,3.4vw,2.1rem); margin:0 0 8px; color:var(--tn-ink);}
.toolnest-tool-intro{color:var(--tn-text-muted); max-width:760px; margin:0 0 10px;}
.toolnest-privacy-note{display:inline-flex; align-items:center; gap:6px; font-size:.82rem; color:var(--tn-text-muted); background:rgba(37,99,235,.08); padding:6px 12px; border-radius:999px;}
.toolnest-privacy-note .toolnest-icon{width:15px; height:15px; color:var(--tn-primary);}

/* Tool app container */
.toolnest-tool-app{padding:24px; margin:20px 0 8px;}
.toolnest-field{margin-bottom:16px;}
.toolnest-field label{display:block; font-weight:700; margin-bottom:6px; font-size:.92rem; color:var(--tn-text);}
.toolnest-field .hint{display:block; font-weight:400; font-size:.78rem; color:var(--tn-text-muted); margin-top:4px;}
.toolnest-input, .toolnest-textarea, .toolnest-select{
  width:100%; padding:12px 14px; border-radius:var(--tn-radius-sm); border:1px solid var(--tn-border);
  background:var(--tn-surface); color:var(--tn-text); font-size:1rem; font-family:inherit;
}
.toolnest-textarea{min-height:140px; resize:vertical; font-family:ui-monospace,SFMono-Regular,Consolas,monospace;}
.toolnest-input:focus, .toolnest-textarea:focus, .toolnest-select:focus{outline:2px solid var(--tn-accent); outline-offset:1px;}
.toolnest-input.is-invalid, .toolnest-textarea.is-invalid{border-color:#ef4444;}
.toolnest-row{display:flex; flex-wrap:wrap; gap:12px;}
.toolnest-row > *{flex:1; min-width:160px;}
.toolnest-actions{display:flex; flex-wrap:wrap; gap:10px; margin-top:6px;}

.toolnest-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:11px; border:none; font-weight:700; font-size:.94rem;
  cursor:pointer; transition:transform .15s var(--tn-ease), box-shadow .15s, background .15s;
  min-height:44px; /* comfortable touch target */
}
.toolnest-btn-primary{background:linear-gradient(135deg,var(--tn-primary),var(--tn-primary-dark)); color:#fff; box-shadow:0 8px 22px rgba(37,99,235,.25);}
.toolnest-btn-primary:hover{transform:translateY(-2px);}
.toolnest-btn-secondary{background:rgba(37,99,235,.1); color:var(--tn-primary);}
.toolnest-btn-ghost{background:transparent; color:var(--tn-text-muted); border:1px solid var(--tn-border);}
.toolnest-btn-sm{padding:9px 16px; font-size:.85rem; min-height:38px;}
.toolnest-btn:disabled{opacity:.55; cursor:not-allowed; transform:none;}
.toolnest-btn .toolnest-icon{width:18px; height:18px;}

.toolnest-result{margin-top:18px;}
.toolnest-result-box{
  background:var(--tn-bg); border:1px solid var(--tn-border); border-radius:var(--tn-radius-sm);
  padding:16px; white-space:pre-wrap; word-break:break-word; font-family:ui-monospace,SFMono-Regular,Consolas,monospace; font-size:.92rem;
}
.toolnest-result-stats{display:flex; flex-wrap:wrap; gap:16px; margin-top:12px; font-size:.85rem; color:var(--tn-text-muted);}
.toolnest-result-stats strong{color:var(--tn-text); font-size:1.1rem; display:block;}
.toolnest-tag-list{display:flex; flex-wrap:wrap; gap:8px; margin-top:8px;}
.toolnest-tag-pill{background:rgba(37,99,235,.1); color:var(--tn-primary); padding:6px 12px; border-radius:999px; font-size:.85rem; font-weight:600;}

.toolnest-status{margin-top:10px; font-size:.88rem; min-height:1.2em;}
.toolnest-status.is-error{color:#ef4444;}
.toolnest-status.is-success{color:#16a34a;}
.toolnest-loading{display:inline-flex; align-items:center; gap:8px; color:var(--tn-text-muted); font-size:.88rem;}
.toolnest-spinner{width:16px; height:16px; border:2px solid var(--tn-border); border-top-color:var(--tn-primary); border-radius:50%; animation:tn-spin .7s linear infinite;}
@keyframes tn-spin{to{transform:rotate(360deg);}}

/* Notices */
.toolnest-notice{padding:14px 18px; border-radius:var(--tn-radius-sm); margin:16px 0; font-size:.92rem;}
.toolnest-notice-info{background:rgba(37,99,235,.08); color:var(--tn-ink);}
.toolnest-notice-warning{background:rgba(245,158,11,.12); color:#92400e;}
.toolnest-notice-error{background:rgba(239,68,68,.1); color:#991b1b;}

/* Steps / Features */
.toolnest-steps{margin:0; padding-left:22px;}
.toolnest-steps li{margin-bottom:8px; color:var(--tn-text);}
.toolnest-features{margin:0; padding-left:22px; list-style:disc;}
.toolnest-features li{margin-bottom:6px; color:var(--tn-text);}

/* FAQ */
.toolnest-faq-item{border-bottom:1px solid var(--tn-border);}
.toolnest-faq-q{width:100%; display:flex; justify-content:space-between; align-items:center; background:none; border:none; text-align:left; padding:16px 4px; font-weight:700; font-size:.98rem; color:var(--tn-text); cursor:pointer;}
.toolnest-faq-caret{transition:transform .2s var(--tn-ease); flex-shrink:0;}
.toolnest-faq-q[aria-expanded="true"] .toolnest-faq-caret{transform:rotate(180deg);}
.toolnest-faq-a{padding:0 4px 16px; color:var(--tn-text-muted);}

/* Cards / grids */
.toolnest-tools-grid{display:grid; grid-template-columns:1fr; gap:14px;}
.toolnest-categories-grid{display:grid; grid-template-columns:1fr; gap:14px;}
.toolnest-tool-card{
  display:flex; flex-direction:column; gap:6px; padding:18px; text-decoration:none; color:inherit;
  background:var(--tn-surface); border:1px solid var(--tn-border); border-radius:var(--tn-radius);
  transition:transform .2s var(--tn-ease), box-shadow .2s var(--tn-ease);
}
.toolnest-tool-card:hover{transform:translateY(-4px); box-shadow:var(--tn-shadow-md);}
.toolnest-tool-card-icon .toolnest-icon{width:28px; height:28px; color:var(--tn-primary);}
.toolnest-tool-card-title{font-weight:700; font-size:1.02rem;}
.toolnest-tool-card-desc{font-size:.86rem; color:var(--tn-text-muted);}
.toolnest-badges{display:flex; gap:6px; margin-top:4px;}
.toolnest-badge{font-size:.68rem; font-weight:700; text-transform:uppercase; padding:3px 9px; border-radius:999px;}
.toolnest-badge-popular{background:rgba(245,158,11,.14); color:#d97706;}
.toolnest-badge-featured{background:rgba(37,99,235,.12); color:var(--tn-primary);}

.toolnest-category-card{
  display:flex; flex-direction:column; gap:4px; padding:20px; text-decoration:none; color:inherit;
  background:var(--tn-surface); border:1px solid var(--tn-border); border-radius:var(--tn-radius); text-align:center;
}
.toolnest-category-card span{font-weight:700;}
.toolnest-category-card small{color:var(--tn-text-muted);}

/* Category banner */
.toolnest-category-banner{padding:28px 0 20px; text-align:center;}
.toolnest-category-banner h1{font-size:clamp(1.5rem,3.6vw,2.2rem);}
.toolnest-category-banner span{color:var(--tn-primary);}
.toolnest-category-filter-bar{display:flex; gap:8px; flex-wrap:wrap; margin:16px 0 20px;}
.toolnest-chip{padding:8px 16px; border-radius:999px; background:var(--tn-bg); color:var(--tn-text); font-size:.85rem; font-weight:600; text-decoration:none;}
.toolnest-chip:hover, .toolnest-chip.is-active{background:var(--tn-primary); color:#fff;}

.toolnest-layout{display:grid; grid-template-columns:1fr; gap:24px;}
.toolnest-widget{padding:18px; margin-bottom:16px;}
.toolnest-widget h3{margin:0 0 12px; font-size:1rem;}
.toolnest-widget-list li + li{margin-top:8px;}
.toolnest-widget-list a{text-decoration:none; color:var(--tn-text); font-weight:600; font-size:.9rem;}

/* Search box */
.toolnest-search-form{max-width:640px; margin:0 auto;}
.toolnest-search-input-wrap{display:flex; align-items:center; gap:10px; padding:6px 6px 6px 16px; background:var(--tn-surface); border:1px solid var(--tn-border); border-radius:999px;}
.toolnest-search-input-wrap .toolnest-icon{width:18px; height:18px; color:var(--tn-text-muted); flex-shrink:0;}
.toolnest-search-field{flex:1; border:none; outline:none; background:transparent; padding:10px 0; color:var(--tn-text); font-size:1rem;}
.toolnest-live-results{position:relative; margin-top:8px; max-height:320px; overflow:auto; background:var(--tn-surface); border:1px solid var(--tn-border); border-radius:var(--tn-radius-sm); box-shadow:var(--tn-shadow-md); text-align:left;}
.toolnest-live-results a{display:block; padding:10px 16px; border-bottom:1px solid var(--tn-border); text-decoration:none; color:var(--tn-text);}
.toolnest-live-results a:hover{background:var(--tn-bg);}
.toolnest-live-results .toolnest-no-results{padding:16px; color:var(--tn-text-muted); font-size:.88rem;}

/* Ads */
.toolnest-ad-slot{margin:22px 0; text-align:center;}
.toolnest-ad-label{display:block; font-size:.65rem; text-transform:uppercase; letter-spacing:.06em; color:var(--tn-text-muted); margin-bottom:6px;}
.toolnest-ad-body{min-height:80px; display:flex; align-items:center; justify-content:center; background:var(--tn-bg); border-radius:var(--tn-radius-sm); overflow:hidden;}

/* Pagination */
.toolnest-pagination{display:flex; justify-content:center; gap:6px; margin:28px 0; flex-wrap:wrap;}
.toolnest-pagination .page-numbers{display:flex; align-items:center; justify-content:center; min-width:38px; height:38px; padding:0 10px; border-radius:9px; background:var(--tn-bg); text-decoration:none; color:var(--tn-text); font-weight:600;}
.toolnest-pagination .page-numbers.current{background:var(--tn-primary); color:#fff;}

/* Copy toast */
.toolnest-toast{position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px); background:var(--tn-ink); color:#fff; padding:10px 20px; border-radius:999px; font-size:.88rem; opacity:0; visibility:hidden; transition:all .25s var(--tn-ease); z-index:9999;}
.toolnest-toast.is-visible{opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);}

/* Accessibility */
.screen-reader-text{position:absolute!important; clip:rect(1px,1px,1px,1px); width:1px; height:1px; overflow:hidden;}
.toolnest-container a:focus-visible, .toolnest-container button:focus-visible, .toolnest-container input:focus-visible{outline:2px solid var(--tn-accent); outline-offset:2px;}

/* Responsive */
@media (min-width:640px){
  .toolnest-tools-grid{grid-template-columns:repeat(2,1fr);}
  .toolnest-categories-grid{grid-template-columns:repeat(3,1fr);}
}
@media (min-width:860px){
  .toolnest-layout{grid-template-columns:2.3fr 1fr;}
  .toolnest-tools-grid{grid-template-columns:repeat(3,1fr);}
}
@media (min-width:1080px){
  .toolnest-tools-grid{grid-template-columns:repeat(4,1fr);}
  .toolnest-categories-grid{grid-template-columns:repeat(5,1fr);}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important; transition-duration:.001ms!important;}
}