/* ══════════════════════════════════════════════════════════
   Jarsverse Tools — Light Premium Theme
   ══════════════════════════════════════════════════════════ */

:root{
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #f9fafc;
  --border: #e8eaf2;
  --border-strong: #dde0ec;
  --text: #1a1d29;
  --text-soft: #5b5f78;
  --text-mute: #9295ab;
  --primary: #6d5bf6;
  --primary-dk: #5642e0;
  --primary-lt: #f1eefe;
  --primary-lt2: #e6e1fd;
  --accent: #17c3b2;
  --accent-lt: #e5faf7;
  --pink: #ff6b9d;
  --amber: #ffb020;
  --danger: #f4442e;
  --danger-lt: #fdeceb;
  --success: #17b26a;
  --success-lt: #e7f9f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(20,20,50,.04), 0 1px 1px rgba(20,20,50,.03);
  --shadow-md: 0 8px 24px -8px rgba(70,60,180,.14), 0 2px 8px rgba(20,20,50,.04);
  --shadow-lg: 0 20px 50px -12px rgba(70,60,180,.22);
  --sidebar-w: 264px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; width:100%; }
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  width:100%;
  max-width:100vw;
}
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }

/* ── Background decor ── */
.bg-decor{ position:fixed; inset:0; z-index:-1; overflow:hidden; pointer-events:none; }
.blob{
  position:absolute; border-radius:50%; filter:blur(70px); opacity:.35;
  animation:float 18s ease-in-out infinite;
}
.blob-1{ width:520px; height:520px; background:radial-gradient(circle, #a78bfa, transparent 70%); top:-160px; right:-120px; animation-delay:0s; }
.blob-2{ width:420px; height:420px; background:radial-gradient(circle, #5eead4, transparent 70%); bottom:-140px; left:-100px; animation-delay:-6s; }
.blob-3{ width:360px; height:360px; background:radial-gradient(circle, #fda4af, transparent 70%); top:40%; right:20%; animation-delay:-11s; opacity:.22; }
.grid-fade{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(109,91,246,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,91,246,.035) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}
@keyframes float{
  0%,100%{ transform:translate(0,0) scale(1); }
  33%{ transform:translate(30px,-30px) scale(1.06); }
  66%{ transform:translate(-24px,20px) scale(.96); }
}

/* ── Layout shell ── */
.app-shell{ display:flex; min-height:100vh; width:100%; max-width:100vw; overflow-x:hidden; }

/* ── Sidebar ── */
.sidebar{
  width:var(--sidebar-w); flex-shrink:0;
  background:var(--surface);
  border-right:1px solid var(--border);
  position:sticky; top:0; height:100vh; overflow-y:auto;
  z-index:40;
}
.sidebar-inner{ display:flex; flex-direction:column; height:100%; padding:22px 16px; }
.brand{ display:flex; align-items:center; gap:10px; padding:6px 8px 22px; }
.brand-mark{
  width:38px; height:38px; border-radius:11px; flex-shrink:0;
  background:linear-gradient(135deg, var(--primary), #9d8bff);
  color:#fff; font-weight:800; font-size:.85rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 16px -4px rgba(109,91,246,.5);
}
.brand-text{ font-weight:800; font-size:1.05rem; letter-spacing:-.3px; color:var(--text); }
.brand-text em{ font-style:normal; color:var(--primary); }

.sidebar-section-label{
  font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em;
  color:var(--text-mute); padding:14px 10px 8px;
}
.side-nav{ display:flex; flex-direction:column; gap:2px; }
.side-link{
  display:flex; align-items:center; gap:11px;
  padding:10px 12px; border-radius:11px;
  font-size:.875rem; font-weight:600; color:var(--text-soft);
  position:relative; transition:background .18s ease, color .18s ease, transform .18s ease;
}
.side-link i{ font-size:1.02rem; width:20px; text-align:center; color:var(--text-mute); transition:color .18s ease; }
.side-link:hover{ background:var(--surface-2); color:var(--text); transform:translateX(2px); }
.side-link:hover i{ color:var(--primary); }
.side-link.active{
  background:linear-gradient(135deg, var(--primary-lt), var(--primary-lt2));
  color:var(--primary-dk);
}
.side-link.active i{ color:var(--primary); }
.side-link.active::before{
  content:''; position:absolute; left:-16px; top:50%; transform:translateY(-50%);
  width:4px; height:60%; border-radius:0 4px 4px 0; background:var(--primary);
}

.sidebar-footer{ margin-top:auto; padding-top:16px; }
.sidebar-footer-card{
  display:flex; align-items:center; gap:10px;
  background:linear-gradient(135deg, var(--primary-lt), #fff);
  border:1px solid var(--primary-lt2);
  border-radius:14px; padding:12px 14px; margin-bottom:12px;
}
.sidebar-footer-card i{ font-size:1.3rem; color:var(--primary); }
.sidebar-footer-card strong{ display:block; font-size:.8rem; color:var(--text); }
.sidebar-footer-card span{ font-size:.72rem; color:var(--text-mute); }
.made-with{ font-size:.72rem; color:var(--text-mute); text-align:center; margin:0; }
.made-with i{ color:var(--pink); font-size:.7rem; }

/* ── Mobile topbar ── */
.mobile-topbar{
  display:none;
  position:sticky; top:0; z-index:50;
  align-items:center; gap:12px;
  padding:14px 16px;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.hamburger{
  width:38px; height:38px; border-radius:10px; border:1px solid var(--border);
  background:#fff; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px;
  cursor:pointer;
}
.hamburger span{ width:16px; height:2px; background:var(--text); border-radius:2px; transition:transform .25s ease, opacity .25s ease; }
.hamburger.open span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; }
.hamburger.open span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }
.mobile-brand{ display:flex; align-items:center; gap:8px; }
.mobile-brand .brand-mark{ width:30px; height:30px; font-size:.7rem; border-radius:9px; }
.mobile-brand .brand-text{ font-size:.92rem; }
.topbar-spacer{ flex:1; }
.sidebar-overlay{
  display:none; position:fixed; inset:0; background:rgba(20,20,40,.4);
  backdrop-filter:blur(2px); z-index:39; opacity:0; transition:opacity .25s ease;
}

/* ── Main content ── */
.main-content{ flex:1; min-width:0; width:100%; padding:36px 40px 60px; }

/* ── Hero (home) ── */
.hero{ margin-bottom:36px; animation:fadeUp .6s ease both; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:7px;
  background:var(--primary-lt); color:var(--primary-dk);
  font-size:.75rem; font-weight:700; padding:6px 13px; border-radius:50px;
  margin-bottom:16px;
}
.hero-eyebrow .dot{ width:6px; height:6px; border-radius:50%; background:var(--accent); animation:pulse 1.8s ease-in-out infinite; }
.hero h1{ font-size:clamp(1.9rem, 4vw, 2.7rem); font-weight:800; letter-spacing:-.02em; margin:0 0 12px; line-height:1.15; }
.hero h1 .grad{
  background:linear-gradient(120deg, var(--primary), #9d8bff 50%, var(--pink));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  background-size:200% auto; animation:gradShift 6s ease-in-out infinite;
}
.hero p{ font-size:1.02rem; color:var(--text-soft); max-width:560px; line-height:1.6; margin:0; }
.hero-stats{ display:flex; gap:28px; margin-top:26px; flex-wrap:wrap; }
.hero-stat strong{ display:block; font-size:1.5rem; font-weight:800; color:var(--text); }
.hero-stat span{ font-size:.78rem; color:var(--text-mute); }

@keyframes gradShift{ 0%,100%{ background-position:0% 50%; } 50%{ background-position:100% 50%; } }
@keyframes pulse{ 0%,100%{ transform:scale(1); opacity:1; } 50%{ transform:scale(1.5); opacity:.6; } }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:translateY(0); } }

/* ── Tool cards grid (home) ── */
.tool-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(250px, 1fr));
  gap:16px;
}
.tool-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px; position:relative; overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease, border-color .25s ease;
  opacity:0; animation:fadeUp .5s ease forwards;
}
.tool-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); border-color:var(--primary-lt2); }
.tool-card::after{
  content:''; position:absolute; inset:0; opacity:0; transition:opacity .3s ease;
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%), rgba(109,91,246,.08), transparent 60%);
  pointer-events:none;
}
.tool-card:hover::after{ opacity:1; }
.tool-icon{
  width:46px; height:46px; border-radius:13px;
  background:linear-gradient(135deg, var(--primary-lt), var(--primary-lt2));
  color:var(--primary); display:flex; align-items:center; justify-content:center;
  font-size:1.25rem; margin-bottom:14px;
  transition:transform .3s ease;
}
.tool-card:hover .tool-icon{ transform:scale(1.08) rotate(-4deg); }
.tool-card h3{ font-size:1rem; font-weight:700; margin:0 0 6px; letter-spacing:-.01em; }
.tool-card p{ font-size:.82rem; color:var(--text-mute); line-height:1.5; margin:0 0 14px; }
.tool-card .go{ font-size:.78rem; font-weight:700; color:var(--primary); display:flex; align-items:center; gap:5px; }
.tool-card .go i{ transition:transform .2s ease; }
.tool-card:hover .go i{ transform:translateX(3px); }

/* ── Tool page header ── */
.tool-header{ display:flex; align-items:center; gap:16px; margin-bottom:28px; animation:fadeUp .5s ease both; }
.tool-header .tool-icon{ width:52px; height:52px; font-size:1.4rem; margin:0; }
.tool-header h1{ font-size:1.5rem; font-weight:800; margin:0 0 4px; letter-spacing:-.01em; }
.tool-header p{ font-size:.88rem; color:var(--text-mute); margin:0; }
.breadcrumb{ font-size:.78rem; color:var(--text-mute); margin-bottom:10px; display:flex; align-items:center; gap:6px; }
.breadcrumb a{ color:var(--text-soft); font-weight:600; }
.breadcrumb a:hover{ color:var(--primary); }

/* ── Panel / Card ── */
.panel{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px; box-shadow:var(--shadow-sm);
  animation:fadeUp .55s ease both;
}
.panel + .panel{ margin-top:20px; }
.tool-grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:20px; align-items:start; }

/* ── Form elements ── */
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:.8rem; font-weight:700; color:var(--text); margin-bottom:7px; }
.field .hint{ font-size:.72rem; color:var(--text-mute); margin-top:5px; }
.input, textarea.input, select.input{
  width:100%; padding:11px 14px; border-radius:11px;
  border:1.5px solid var(--border-strong); background:var(--surface-2);
  font-family:var(--font); font-size:.88rem; color:var(--text);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.input:focus, textarea.input:focus, select.input:focus{
  outline:none; border-color:var(--primary); background:#fff;
  box-shadow:0 0 0 4px var(--primary-lt);
}
textarea.input{ resize:vertical; min-height:110px; font-family:var(--mono); font-size:.82rem; line-height:1.6; }
.input::placeholder{ color:var(--text-mute); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }

/* ── Toggle group ── */
.toggle-group{ display:flex; gap:8px; background:var(--surface-2); padding:5px; border-radius:12px; border:1px solid var(--border); }
.toggle-btn{
  flex:1; padding:9px 14px; border:none; background:transparent; border-radius:9px;
  font-size:.82rem; font-weight:700; color:var(--text-soft); cursor:pointer;
  transition:background .2s ease, color .2s ease, box-shadow .2s ease;
}
.toggle-btn.active{ background:#fff; color:var(--primary-dk); box-shadow:var(--shadow-sm); }
.toggle-btn:not(.active):hover{ color:var(--text); }

/* ── Checkbox row ── */
.check-row{
  display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
  padding:13px 0; border-bottom:1px solid var(--border);
}
.check-row:last-child{ border-bottom:none; }
.check-row-text strong{ display:block; font-size:.85rem; font-weight:700; }
.check-row-text span{ font-size:.76rem; color:var(--text-mute); }
.switch{ position:relative; width:42px; height:24px; flex-shrink:0; }
.switch input{ opacity:0; width:0; height:0; }
.switch .slider{
  position:absolute; inset:0; background:#dcdfec; border-radius:50px; cursor:pointer; transition:background .2s ease;
}
.switch .slider::before{
  content:''; position:absolute; width:18px; height:18px; left:3px; top:3px; background:#fff; border-radius:50%;
  transition:transform .2s cubic-bezier(.4,0,.2,1); box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.switch input:checked + .slider{ background:var(--primary); }
.switch input:checked + .slider::before{ transform:translateX(18px); }

/* ── Button ── */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:12px; border:none; cursor:pointer;
  font-size:.88rem; font-weight:700; font-family:var(--font);
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg, var(--primary), var(--primary-dk)); color:#fff;
  box-shadow:0 8px 20px -6px rgba(109,91,246,.55);
}
.btn-primary:hover:not(:disabled){ transform:translateY(-2px); box-shadow:0 12px 26px -6px rgba(109,91,246,.65); }
.btn-primary:active:not(:disabled){ transform:translateY(0); }
.btn:disabled{ opacity:.5; cursor:not-allowed; }
.btn-ghost{ background:var(--surface-2); color:var(--text); border:1.5px solid var(--border-strong); }
.btn-ghost:hover{ background:#fff; border-color:var(--primary-lt2); color:var(--primary-dk); }
.btn-block{ width:100%; }
.btn-sm{ padding:8px 14px; font-size:.78rem; }
.btn .spinner{ display:none; }
.btn.loading .spinner{ display:inline-block; }
.btn.loading .btn-label{ display:none; }

.spinner{
  width:16px; height:16px; border-radius:50%;
  border:2.5px solid rgba(255,255,255,.4); border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ── Output area ── */
.output-area{
  border:1.5px dashed var(--border-strong); border-radius:14px;
  min-height:220px; display:flex; align-items:center; justify-content:center;
  color:var(--text-mute); font-size:.85rem; text-align:center; padding:24px;
  background:var(--surface-2); transition:border-color .3s ease, background .3s ease;
}
.output-area.has-content{ display:block; border-style:solid; border-color:var(--border); background:#fff; padding:0; }
.output-empty i{ font-size:1.8rem; display:block; margin-bottom:10px; color:var(--border-strong); }
.output-toolbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 16px; border-bottom:1px solid var(--border); background:var(--surface-2);
  border-radius:14px 14px 0 0;
}
.output-toolbar strong{ font-size:.78rem; color:var(--text-soft); }
.output-body{ padding:16px; max-height:420px; overflow:auto; }
.output-body pre{ margin:0; font-family:var(--mono); font-size:.82rem; line-height:1.7; white-space:pre-wrap; word-break:break-all; color:var(--text); }

/* ── Result table ── */
.result-table{ width:100%; border-collapse:collapse; font-size:.82rem; }
.result-table th{ text-align:left; padding:9px 12px; color:var(--text-mute); font-weight:700; border-bottom:1px solid var(--border); font-size:.72rem; text-transform:uppercase; letter-spacing:.03em; }
.result-table td{ padding:9px 12px; border-bottom:1px solid var(--border); font-family:var(--mono); font-size:.8rem; }
.result-table tr:last-child td{ border-bottom:none; }
.result-table tr{ animation:fadeIn .4s ease both; }

@keyframes fadeIn{ from{ opacity:0; } to{ opacity:1; } }

/* ── Badge / chip ── */
.chip{ display:inline-flex; align-items:center; gap:5px; padding:4px 10px; border-radius:50px; font-size:.72rem; font-weight:700; }
.chip-success{ background:var(--success-lt); color:var(--success); }
.chip-danger{ background:var(--danger-lt); color:var(--danger); }
.chip-primary{ background:var(--primary-lt); color:var(--primary-dk); }

/* ── Alert ── */
.alert{ padding:12px 16px; border-radius:12px; font-size:.83rem; font-weight:600; margin-bottom:16px; display:flex; align-items:center; gap:10px; animation:fadeUp .3s ease both; }
.alert-error{ background:var(--danger-lt); color:#b8291a; }
.alert-success{ background:var(--success-lt); color:#0e8a55; }
.alert i{ font-size:1rem; }

/* ── Toast ── */
.toast-wrap{ position:fixed; bottom:22px; right:22px; z-index:200; display:flex; flex-direction:column; gap:10px; }
.toast{
  background:var(--text); color:#fff; padding:12px 18px; border-radius:12px;
  font-size:.82rem; font-weight:600; box-shadow:var(--shadow-lg);
  display:flex; align-items:center; gap:9px;
  animation:toastIn .3s cubic-bezier(.2,.8,.2,1) both;
}
.toast i{ color:var(--accent); }
@keyframes toastIn{ from{ opacity:0; transform:translateY(12px) scale(.95); } to{ opacity:1; transform:translateY(0) scale(1); } }

/* ── Countdown ring (authenticator) ── */
.otp-display{ text-align:center; padding:26px 0; }
.otp-code{ font-family:var(--mono); font-size:2.6rem; font-weight:700; letter-spacing:.12em; color:var(--primary-dk); margin-bottom:16px; }
.ring-wrap{ position:relative; width:64px; height:64px; margin:0 auto; }
.ring-wrap svg{ transform:rotate(-90deg); }
.ring-bg{ fill:none; stroke:var(--border); stroke-width:5; }
.ring-fg{ fill:none; stroke:var(--primary); stroke-width:5; stroke-linecap:round; transition:stroke-dashoffset 1s linear; }
.ring-num{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:.85rem; color:var(--text); }

/* ── Footer note within panel ── */
.panel-note{ display:flex; align-items:flex-start; gap:10px; background:var(--primary-lt); border-radius:12px; padding:12px 14px; font-size:.78rem; color:var(--primary-dk); margin-top:16px; }
.panel-note i{ font-size:1rem; margin-top:1px; }

/* ── Skeleton loading shimmer ── */
.skeleton{ background:linear-gradient(90deg, var(--surface-2) 25%, #eef0f8 37%, var(--surface-2) 63%); background-size:400% 100%; animation:shimmer 1.4s ease infinite; border-radius:8px; }
@keyframes shimmer{ 0%{ background-position:100% 50%; } 100%{ background-position:0 50%; } }

/* ── 404 ── */
.err-404{ text-align:center; padding:80px 20px; }
.err-404 h1{ font-size:5rem; font-weight:800; background:linear-gradient(120deg,var(--primary),var(--pink)); -webkit-background-clip:text; background-clip:text; color:transparent; margin:0; }
.err-404 p{ color:var(--text-mute); margin-bottom:22px; }

/* ── Scrollbar ── */
::-webkit-scrollbar{ width:9px; height:9px; }
::-webkit-scrollbar-track{ background:transparent; }
::-webkit-scrollbar-thumb{ background:#d6d9e6; border-radius:20px; }
::-webkit-scrollbar-thumb:hover{ background:#bcc0d4; }

/* ══════════════════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1024px){
  .tool-grid-2{ grid-template-columns:1fr; }
}

@media (max-width: 860px){
  .mobile-topbar{ display:flex; }
  .app-shell{ display:block; }
  .sidebar{
    position:fixed; left:0; top:0; height:100vh; width:min(280px, 84vw);
    transform:translateX(-100%); transition:transform .3s cubic-bezier(.2,.8,.2,1);
    box-shadow:var(--shadow-lg);
  }
  .sidebar.open{ transform:translateX(0); }
  .sidebar-overlay.show{ display:block; opacity:1; }
  .main-content{ padding:20px 16px 50px; width:100%; }
  .hero-stats{ gap:20px; }
  .field-row{ grid-template-columns:1fr; }
  .tool-grid{ grid-template-columns:1fr; gap:12px; }
  .tool-header{ flex-wrap:wrap; }
}

@media (max-width: 520px){
  .tool-grid{ grid-template-columns:1fr; }
  .otp-code{ font-size:2rem; }
  .panel{ padding:18px; }
  .hero h1{ font-size:1.65rem; }
}