/* =========================
   Design System (Light Theme)
   ========================= */
:root{
  --bg0:#ffffff;
  --bg1:#f7f8ff;
  --bg2:#eef2ff;

  --text:#0f172a;        /* slate-900 */
  --muted:#475569;       /* slate-600 */
  --muted2:#64748b;      /* slate-500 */

  --card: rgba(255,255,255,.72);
  --card2: rgba(255,255,255,.52);
  --stroke: rgba(15, 23, 42, .10);

  --primary:#4f46e5;     /* indigo-600 */
  --primary2:#7c3aed;    /* violet-600 */
  --accent:#06b6d4;      /* cyan-500 */
  --good:#16a34a;        /* green-600 */
  --warn:#f59e0b;        /* amber-500 */
  --bad:#ef4444;         /* red-500 */

  --shadow: 0 16px 50px rgba(2, 6, 23, .10);
  --shadow2: 0 10px 25px rgba(2, 6, 23, .08);

  --r-xl: 22px;
  --r-lg: 16px;
  --r-md: 12px;

  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(79,70,229,.16), transparent 60%),
    radial-gradient(900px 600px at 85% 20%, rgba(6,182,212,.16), transparent 60%),
    radial-gradient(1000px 700px at 50% 95%, rgba(124,58,237,.12), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
button,input{ font:inherit; }
.container{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
}

/* =========================
   Subtle animated background
   ========================= */
.bg-grid{
  position:fixed;
  inset:-1px;
  pointer-events:none;
  background:
    linear-gradient(to right, rgba(15,23,42,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15,23,42,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(500px 260px at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(500px 260px at 50% 0%, #000 30%, transparent 75%);
  opacity:.55;
  transform: translateZ(0);
}
.bg-orb{
  position:fixed;
  width:560px;
  height:560px;
  border-radius:50%;
  filter: blur(40px);
  opacity:.22;
  pointer-events:none;
  animation: float 10s var(--ease) infinite alternate;
  transform: translateZ(0);
}
.bg-orb.one{
  left:-180px; top:120px;
  background: radial-gradient(circle at 30% 30%, var(--primary), transparent 60%),
              radial-gradient(circle at 70% 70%, var(--accent), transparent 60%);
  animation-duration: 12s;
}
.bg-orb.two{
  right:-220px; top:-120px;
  background: radial-gradient(circle at 30% 30%, var(--primary2), transparent 60%),
              radial-gradient(circle at 70% 70%, var(--accent), transparent 60%);
  animation-duration: 14s;
}
@keyframes float{
  0%{ transform: translate(0,0) scale(1); }
  100%{ transform: translate(28px, -18px) scale(1.04); }
}

/* =========================
   Header
   ========================= */
header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.55));
  border-bottom: 1px solid var(--stroke);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.02em;
}
.logo{
  width:34px; height:34px;
  border-radius:12px;
  background:
    linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,1));
  box-shadow: 0 10px 20px rgba(79,70,229,.18);
  position:relative;
  overflow:hidden;
}
.logo::after{
  content:"";
  position:absolute;
  inset:-40%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.7), transparent);
  transform: rotate(25deg);
  animation: shine 2.8s var(--ease) infinite;
  opacity:.6;
}
@keyframes shine{
  0%{ transform: translateX(-40%) rotate(25deg); }
  100%{ transform: translateX(120%) rotate(25deg); }
}
.navlinks{
  display:flex;
  gap:14px;
  align-items:center;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
}
.navlinks a{
  padding:8px 10px;
  border-radius:12px;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.navlinks a:hover{
  background: rgba(79,70,229,.08);
  color:var(--text);
}
.navcta{
  display:flex;
  gap:10px;
  align-items:center;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.6);
  color: var(--muted);
  font-weight:700;
  font-size:13px;
  box-shadow: var(--shadow2);
}
.dot{
  width:8px;height:8px;border-radius:50%;
  background: linear-gradient(135deg, var(--good), var(--accent));
  box-shadow: 0 0 0 6px rgba(22,163,74,.10);
}

/* =========================
   Hero
   ========================= */
.hero{
  padding: 48px 0 28px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .85fr;
  gap: 24px;
  align-items:stretch;
}
@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .navlinks{ display:none; }
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 12px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.6);
  color: var(--muted);
  font-weight:700;
  font-size:13px;
  width: fit-content;
  box-shadow: var(--shadow2);
}
.kicker .spark{
  width:18px;height:18px;border-radius:6px;
  background: linear-gradient(135deg, rgba(79,70,229,1), rgba(124,58,237,1));
  position:relative;
  overflow:hidden;
}
.kicker .spark::after{
  content:"";
  position:absolute;
  inset:-60%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.8), transparent);
  transform: rotate(25deg);
  animation: shine 3.2s var(--ease) infinite;
  opacity:.65;
}

h1{
  margin: 14px 0 10px;
  font-size: clamp(34px, 5vw, 54px);
  line-height:1.05;
  letter-spacing:-.04em;
}
.grad{
  background: linear-gradient(90deg, var(--primary), var(--primary2), var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{
  margin:0;
  color: var(--muted);
  font-size: 16px;
  line-height:1.6;
  max-width: 60ch;
}

/* =========================
   Card / Form
   ========================= */
.card{
  background: linear-gradient(180deg, var(--card), var(--card2));
  border: 1px solid var(--stroke);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset: -40%;
  background: radial-gradient(circle at 30% 20%, rgba(79,70,229,.16), transparent 55%),
              radial-gradient(circle at 70% 60%, rgba(6,182,212,.14), transparent 55%);
  transform: translateZ(0);
  pointer-events:none;
}
.card-body{
  position:relative;
  padding: 18px;
}

.form-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 12px;
}
.form-title h2{
  margin:0;
  font-size:16px;
  letter-spacing:-.02em;
}
.badge{
  font-size:12px;
  font-weight:800;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(79,70,229,.10);
  border: 1px solid rgba(79,70,229,.20);
  color: rgba(79,70,229,1);
}

.field{
  display:grid;
  gap:10px;
  margin-top: 12px;
}
.input{
  display:flex;
  gap:10px;
  align-items:center;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,.12);
  background: rgba(255,255,255,.70);
  box-shadow: 0 10px 18px rgba(2,6,23,.06);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.input:focus-within{
  border-color: rgba(79,70,229,.35);
  transform: translateY(-1px);
}
.input svg{ flex:0 0 auto; opacity:.85; }
.input input{
  border:0;
  outline:none;
  background:transparent;
  width:100%;
  font-weight:700;
  color:var(--text);
  padding:2px 0;
}
.hint{
  margin: 0;
  font-size: 12px;
  color: var(--muted2);
  line-height: 1.4;
}

.row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 8px;
}

.btn{
  border:0;
  cursor:pointer;
  font-weight:900;
  padding: 12px 14px;
  border-radius: 16px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), filter .18s var(--ease);
  display:inline-flex;
  align-items:center;
  gap:10px;
  user-select:none;
  white-space:nowrap;
}
.btn:active{ transform: translateY(1px) scale(.99); }

.btn-primary{
  color:white;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 14px 28px rgba(79,70,229,.18);
  position:relative;
  overflow:hidden;
}
.btn-primary::after{
  content:"";
  position:absolute;
  inset:-60%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent);
  transform: rotate(25deg);
  animation: shimmer 2.8s var(--ease) infinite;
  opacity:.55;
}
@keyframes shimmer{
  0%{ transform: translateX(-55%) rotate(25deg); }
  100%{ transform: translateX(130%) rotate(25deg); }
}
.btn-primary:hover{ filter: brightness(1.02); transform: translateY(-1px); }

.btn-ghost{
  background: rgba(255,255,255,.65);
  border: 1px solid rgba(15,23,42,.12);
  color: var(--text);
  box-shadow: 0 10px 18px rgba(2,6,23,.06);
}
.btn-ghost:hover{ transform: translateY(-1px); }

.btn-small{
  padding:10px 12px;
  border-radius:14px;
  font-weight:800;
  font-size: 13px;
}

.result{
  margin-top: 12px;
  border-radius: 18px;
  border: 1px dashed rgba(79,70,229,.25);
  background: rgba(79,70,229,.05);
  padding: 12px;
  display:none;
  gap:10px;
  align-items:center;
  justify-content:space-between;
}
.result.show{ display:flex; animation: pop .35s var(--ease); }
@keyframes pop{
  from{ transform: translateY(8px); opacity:0; }
  to{ transform: translateY(0); opacity:1; }
}
.result .url{
  min-width: 0;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.result .url strong{
  font-size:12px;
  color: var(--muted2);
  letter-spacing:.02em;
  text-transform: uppercase;
}
.result .url code{
  font-size: 14px;
  font-weight:900;
  color: var(--text);
  background: transparent;
  padding:0;
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display:block;
  max-width: 62ch;
}

/* =========================
   Right card: Preview / Features
   ========================= */
.side{
  display:grid;
  gap: 14px;
  height:100%;
}
.mini{
  padding: 16px;
}
.mini h3{
  margin:0 0 8px;
  letter-spacing:-.02em;
  font-size: 15px;
}
.mini p{
  margin:0;
  color: var(--muted);
  font-size: 13px;
  line-height:1.55;
}

.feature-list{
  display:grid;
  gap: 10px;
  margin-top: 12px;
}
.feat{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.62);
  box-shadow: 0 12px 18px rgba(2,6,23,.05);
  transition: transform .2s var(--ease);
}
.feat:hover{ transform: translateY(-1px); }
.ico{
  width: 36px; height:36px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(6,182,212,.20), rgba(79,70,229,.18));
  display:grid;
  place-items:center;
  border: 1px solid rgba(15,23,42,.08);
  flex: 0 0 auto;
}
.feat b{ display:block; font-size: 13px; margin-bottom: 2px; }
.feat span{ display:block; color: var(--muted); font-size: 12.5px; line-height:1.45; }

/* =========================
   History table
   ========================= */
.history{
  margin-top: 18px;
}
.history-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:10px;
}
.history-head h2{
  margin:0;
  font-size:16px;
  letter-spacing:-.02em;
}
.table{
  border-radius: var(--r-xl);
  overflow:hidden;
  border:1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.62);
  box-shadow: var(--shadow2);
}
table{
  width:100%;
  border-collapse:collapse;
  font-size: 13px;
}
thead th{
  text-align:left;
  padding: 12px 14px;
  color: var(--muted2);
  font-size: 12px;
  letter-spacing:.02em;
  text-transform: uppercase;
  background: rgba(79,70,229,.05);
  border-bottom:1px solid rgba(15,23,42,.08);
}
tbody td{
  padding: 12px 14px;
  border-bottom:1px solid rgba(15,23,42,.08);
  color: var(--text);
  vertical-align:middle;
}
tbody tr:hover{
  background: rgba(2,6,23,.02);
}
tbody tr:last-child td{ border-bottom:0; }
.td-mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
.actions{
  display:flex;
  gap:8px;
  justify-content:flex-end;
  flex-wrap:wrap;
}
.empty{
  padding: 18px;
  color: var(--muted);
  font-size: 13px;
  text-align:center;
}

/* =========================
   Footer
   ========================= */
footer{
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 13px;
}
.foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-top: 1px solid rgba(15,23,42,.10);
  padding-top: 18px;
}
.foot a{
  color: var(--muted);
  font-weight:700;
  padding:8px 10px;
  border-radius:12px;
}
.foot a:hover{ background: rgba(79,70,229,.07); color:var(--text); }

/* =========================
   Toast
   ========================= */
.toast{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 999;
  display:grid;
  gap:10px;
  pointer-events:none;
}
.toast-item{
  pointer-events:auto;
  display:flex;
  gap:10px;
  align-items:flex-start;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 12px;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,.12);
  background: rgba(255,255,255,.72);
  box-shadow: var(--shadow);
  animation: toastIn .35s var(--ease);
  backdrop-filter: blur(10px);
}
@keyframes toastIn{
  from{ transform: translateY(14px); opacity:0; }
  to{ transform: translateY(0); opacity:1; }
}
.toast-ico{
  width: 34px; height:34px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(79,70,229,.08);
  flex:0 0 auto;
}
.toast-item b{ display:block; margin-bottom:2px; font-size: 13px; }
.toast-item p{ margin:0; color: var(--muted); font-size: 12.5px; line-height: 1.35; }
.toast-item .x{
  margin-left:auto;
  border:0;
  background: transparent;
  cursor:pointer;
  padding: 8px;
  border-radius: 12px;
  color: var(--muted2);
}
.toast-item .x:hover{ background: rgba(2,6,23,.05); color: var(--text); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .bg-orb, .logo::after, .btn-primary::after, .kicker .spark::after{ animation:none !important; }
  *{ scroll-behavior:auto !important; }
}