/* ==========================================================================
   RepeatText — style.css
   Modern Blue theme. No frameworks. No build step.
   ========================================================================== */

:root{
  /* ---- Color tokens ---- */
  --blue-900:#0b1739;
  --blue-800:#122152;
  --blue-700:#173373;
  --blue-600:#1d4fd8;
  --blue-500:#2f6bff;
  --blue-400:#5b8bff;
  --cyan-400:#22d3ee;
  --ink-900:#0f1728;
  --ink-700:#33415c;
  --ink-500:#5b6b8c;
  --ink-300:#9aa8c7;
  --surface-0:#ffffff;
  --surface-1:#f4f7fd;
  --surface-2:#e9eefb;
  --surface-glass: rgba(255,255,255,0.65);
  --border-1:#dde5f7;
  --success:#16a34a;
  --danger:#e11d48;
  --warn:#d97706;

  --font-display:'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body:'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:'JetBrains Mono', 'Courier New', monospace;

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(15,23,40,.06), 0 1px 1px rgba(15,23,40,.04);
  --shadow-md:0 8px 24px rgba(23,51,115,.12);
  --shadow-lg:0 20px 48px rgba(11,23,57,.18);
  --container:1180px;
  --header-h:72px;
}

[data-theme="dark"]{
  --ink-900:#eef2fb;
  --ink-700:#c7d2e9;
  --ink-500:#93a2c4;
  --ink-300:#5a6789;
  --surface-0:#0e1730;
  --surface-1:#101b3a;
  --surface-2:#16214a;
  --surface-glass: rgba(20,29,58,.65);
  --border-1:#243157;
  --blue-500:#5b8bff;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--surface-1);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  transition:background .25s ease,color .25s ease;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;margin:0 0 .5em;color:var(--ink-900);}
p{line-height:1.7;color:var(--ink-700);}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
:focus-visible{outline:3px solid var(--cyan-400);outline-offset:2px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--blue-600);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:999;}
.skip-link:focus{left:0;}

/* ---- Utility ---- */
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-600);background:var(--surface-2);padding:6px 14px;border-radius:999px;}
.section{padding:64px 0;}
.section-tight{padding:36px 0;}
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.grad-text{background:linear-gradient(100deg,var(--blue-600),var(--cyan-400));-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  display:flex;align-items:center;
  background:var(--surface-glass);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border-1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.28rem;text-decoration:none;color:var(--ink-900);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;box-shadow:var(--shadow-sm);flex-shrink:0;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{text-decoration:none;font-size:.94rem;font-weight:600;color:var(--ink-700);padding:10px 14px;border-radius:10px;transition:background .15s,color .15s;}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--blue-600);background:var(--surface-2);}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--border-1);
  background:var(--surface-0);display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink-700);transition:transform .15s ease, box-shadow .15s ease, color .15s;
}
.icon-btn:hover{box-shadow:var(--shadow-sm);color:var(--blue-600);transform:translateY(-1px);}
.nav-toggle{display:none;}
.dropdown{position:relative;}
.dropdown-panel{
  position:absolute;top:calc(100% + 10px);right:0;min-width:280px;max-height:70vh;overflow:auto;
  background:var(--surface-0);border:1px solid var(--border-1);border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);padding:10px;display:none;
}
.dropdown.open .dropdown-panel{display:block;}
.dropdown-panel a{display:block;padding:9px 10px;border-radius:8px;text-decoration:none;color:var(--ink-700);font-size:.92rem;}
.dropdown-panel a:hover{background:var(--surface-2);color:var(--blue-600);}
.search-box{display:flex;align-items:center;gap:8px;padding:8px 10px;}
.search-box input{flex:1;border:1px solid var(--border-1);border-radius:8px;padding:8px 10px;font:inherit;background:var(--surface-1);color:var(--ink-900);}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(1200px 500px at 15% -10%, rgba(47,107,255,.18), transparent 60%),
             radial-gradient(900px 500px at 100% 0%, rgba(34,211,238,.15), transparent 55%),
             var(--surface-1);
  padding:64px 0 40px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.02em;}
.hero-sub{font-size:1.08rem;color:var(--ink-700);max-width:52ch;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0;}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--ink-700);background:var(--surface-0);border:1px solid var(--border-1);padding:6px 12px;border-radius:999px;}

/* Live demo card in hero */
.demo-card{
  background:var(--surface-glass);backdrop-filter:blur(16px);border:1px solid var(--border-1);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:22px;
}
.demo-card .demo-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;}
.demo-card .demo-head span{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-500);}
.demo-preview{
  font-family:var(--font-mono);font-size:.86rem;color:var(--blue-700);
  background:var(--surface-0);border:1px dashed var(--border-1);border-radius:var(--radius-sm);
  padding:14px;height:120px;overflow:hidden;white-space:pre-wrap;word-break:break-word;
}
[data-theme="dark"] .demo-preview{color:var(--cyan-400);}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:inherit;font-weight:700;font-size:.95rem;padding:12px 22px;border-radius:12px;
  border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(135deg,var(--blue-600),var(--blue-500));color:#fff;box-shadow:0 10px 24px rgba(29,79,216,.32);}
.btn-primary:hover{box-shadow:0 14px 30px rgba(29,79,216,.4);transform:translateY(-1px);}
.btn-secondary{background:var(--surface-0);color:var(--ink-900);border-color:var(--border-1);}
.btn-secondary:hover{border-color:var(--blue-500);color:var(--blue-600);}
.btn-ghost{background:transparent;color:var(--ink-700);}
.btn-ghost:hover{background:var(--surface-2);}
.btn-sm{padding:8px 14px;font-size:.85rem;border-radius:10px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

/* ==========================================================================
   Cards / Tool Grid
   ========================================================================== */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px;}
.tool-card{
  background:var(--surface-0);border:1px solid var(--border-1);border-radius:var(--radius-md);
  padding:20px;text-decoration:none;display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--blue-400);}
.tool-icon{width:44px;height:44px;border-radius:12px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--blue-600);font-size:1.3rem;}
.tool-card h3{font-size:1.02rem;margin:0;color:var(--ink-900);}
.tool-card p{font-size:.86rem;margin:0;color:var(--ink-500);}
.tool-card .tag{align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-600);background:var(--surface-2);padding:3px 8px;border-radius:6px;}

/* ==========================================================================
   Tool Workspace (repeater/counter/converter apps)
   ========================================================================== */
.tool-app{
  background:var(--surface-0);border:1px solid var(--border-1);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:26px;
}
.app-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;}
label{display:block;font-weight:700;font-size:.85rem;color:var(--ink-700);margin-bottom:8px;}
textarea,input[type="text"],input[type="number"],select{
  width:100%;font:inherit;font-size:.95rem;padding:14px;border-radius:12px;border:1.5px solid var(--border-1);
  background:var(--surface-1);color:var(--ink-900);resize:vertical;transition:border-color .15s ease, box-shadow .15s ease;
}
textarea:focus,input:focus,select:focus{border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(47,107,255,.14);outline:none;}
textarea{min-height:170px;line-height:1.6;font-family:var(--font-mono);font-size:.92rem;}
.field{margin-bottom:16px;}
.field-row{display:flex;gap:12px;flex-wrap:wrap;}
.field-row .field{flex:1;min-width:150px;}
.option-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;border:1.5px solid var(--border-1);
  background:var(--surface-1);cursor:pointer;font-size:.85rem;font-weight:600;color:var(--ink-700);user-select:none;transition:all .15s ease;
}
.pill input{position:absolute;opacity:0;width:0;height:0;}
.pill.active,.pill:has(input:checked){background:var(--blue-600);border-color:var(--blue-600);color:#fff;}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.stats-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.stat-pill{
  flex:1;min-width:110px;background:var(--surface-1);border:1px solid var(--border-1);border-radius:12px;
  padding:12px 14px;text-align:center;
}
.stat-pill strong{display:block;font-family:var(--font-mono);font-size:1.3rem;color:var(--blue-600);}
.stat-pill span{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-500);}
.output-wrap{position:relative;}
.copy-toast{
  position:absolute;top:-14px;right:14px;background:var(--success);color:#fff;font-size:.8rem;font-weight:700;
  padding:6px 12px;border-radius:8px;opacity:0;transform:translateY(6px);transition:all .25s ease;pointer-events:none;
}
.copy-toast.show{opacity:1;transform:translateY(0);}
.loading-bar{height:3px;width:0;background:linear-gradient(90deg,var(--blue-500),var(--cyan-400));border-radius:3px;transition:width .3s ease;}

/* Keyboard shortcut chips */
.kbd{font-family:var(--font-mono);background:var(--surface-2);border:1px solid var(--border-1);border-radius:6px;padding:2px 7px;font-size:.78rem;}

/* ==========================================================================
   Info sections (how-to, benefits, FAQ, related)
   ========================================================================== */
.content-block{max-width:820px;}
.steps{display:grid;gap:14px;margin:20px 0;}
.step{display:flex;gap:14px;align-items:flex-start;}
.step-num{flex-shrink:0;width:36px;height:36px;border-radius:10px;background:var(--surface-2);color:var(--blue-600);font-weight:800;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);}
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:20px 0;}
.benefit-card{background:var(--surface-0);border:1px solid var(--border-1);border-radius:var(--radius-md);padding:18px;}
.benefit-card h4{margin:0 0 6px;font-size:1rem;}
.example-block{background:var(--surface-1);border:1px solid var(--border-1);border-radius:var(--radius-md);padding:16px;font-family:var(--font-mono);font-size:.88rem;overflow-x:auto;white-space:pre-wrap;}
.faq-item{border-bottom:1px solid var(--border-1);padding:16px 0;}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:700;font-family:var(--font-display);gap:12px;}
.faq-q .chev{transition:transform .2s ease;flex-shrink:0;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding-top:10px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;font-size:.85rem;color:var(--ink-500);margin-bottom:14px;}
.breadcrumb a{text-decoration:none;color:var(--ink-500);}
.breadcrumb a:hover{color:var(--blue-600);}

/* ==========================================================================
   Ad slots (AdSense ready, reserved space to avoid CLS)
   ========================================================================== */
.ad-slot{
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-1);border:1px dashed var(--border-1);border-radius:var(--radius-md);
  color:var(--ink-300);font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  margin:24px auto;overflow:hidden;
}
.ad-top{min-height:90px;}
.ad-middle{min-height:120px;}
.ad-bottom{min-height:90px;}
.ad-sidebar{min-height:250px;}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:var(--blue-900);color:#c9d5f5;margin-top:60px;padding:52px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px;}
.footer-brand p{color:#9fb0dd;font-size:.9rem;}
.site-footer h5{color:#fff;font-family:var(--font-display);font-size:.9rem;letter-spacing:.03em;text-transform:uppercase;margin-bottom:14px;}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.site-footer a{color:#aebbe4;text-decoration:none;font-size:.9rem;}
.site-footer a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:.82rem;color:#8ea0d0;}
.social-row{display:flex;gap:10px;margin-top:14px;}
.social-row a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;}
.social-row a:hover{background:var(--blue-600);}

/* ==========================================================================
   Misc
   ========================================================================== */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;}
.pop-list{display:grid;gap:8px;}
.pop-list a{display:flex;justify-content:space-between;padding:10px 12px;border-radius:10px;background:var(--surface-1);text-decoration:none;color:var(--ink-700);font-size:.88rem;}
.pop-list a:hover{background:var(--surface-2);color:var(--blue-600);}
.notice{background:var(--surface-2);border-left:4px solid var(--blue-500);padding:14px 16px;border-radius:0 12px 12px 0;font-size:.9rem;color:var(--ink-700);}
.error-page{text-align:center;padding:90px 0;}
.error-code{font-family:var(--font-display);font-size:6rem;font-weight:800;background:linear-gradient(100deg,var(--blue-600),var(--cyan-400));-webkit-background-clip:text;background-clip:text;color:transparent;}
table.compare{width:100%;border-collapse:collapse;margin:20px 0;}
table.compare th,table.compare td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border-1);font-size:.9rem;}
table.compare th{color:var(--ink-900);font-family:var(--font-display);}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.animate-in{animation:fadeInUp .5s ease both;}
.spin{animation:spin 1s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}