:root{
  --navy: #0E1A2B;
  --navy-deep: #0A1420;
  --panel: #162439;
  --panel-line: rgba(231,236,242,0.10);
  --ink: #E9EDF3;
  --ink-soft: #9FB0C4;
  --gold: #E3A857;
  --gold-dark: #B87F35;
  --good: #6FB58C;
  --bad: #D9765C;
  --shadow: 0 16px 40px rgba(0,0,0,0.35);
}
*{box-sizing:border-box;}
[hidden]{display:none !important;}
html,body{margin:0;padding:0;}
body{
  background: radial-gradient(ellipse at top, #142136 0%, var(--navy) 45%, var(--navy-deep) 100%);
  color:var(--ink); font-family:'Inter', sans-serif; -webkit-font-smoothing:antialiased;
  min-height:100vh; padding:28px 16px 60px;
}
.wrap{max-width:640px;margin:0 auto;}

.topbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:30px;}
.brand{font-family:'Fraunces', serif; font-size:19px; font-weight:600; display:flex; align-items:center; gap:10px;}
.brand .icon{
  width:32px; height:32px; border-radius:8px; background:var(--panel); border:1px solid var(--gold-dark);
  display:flex; align-items:center; justify-content:center; font-family:'Fraunces', serif; font-style:italic; color:var(--gold); font-size:19px;
}
.brand .dot{color:var(--gold);}

.credit-pill{
  display:flex; align-items:center; gap:8px;
  background:var(--panel); border:1px solid var(--panel-line); border-radius:20px;
  padding:7px 14px 7px 8px;
}
.credit-pill .badge{
  width:24px; height:24px; border-radius:50%; background:var(--gold); color:var(--navy-deep);
  font-family:'IBM Plex Mono', monospace; font-weight:700; font-size:12px;
  display:flex; align-items:center; justify-content:center;
}
.credit-pill .count{font-family:'IBM Plex Mono', monospace; font-weight:600; font-size:13.5px;}
.credit-pill .label{font-size:11px; color:var(--ink-soft);}

h1{font-family:'Fraunces', serif; font-weight:500; font-size:clamp(26px,5.6vw,30px); margin:0 0 8px; line-height:1.2;}
h1 .accent{color:var(--gold); font-style:italic;}
.subtitle{font-size:14.5px; color:var(--ink-soft); margin:0 0 26px; line-height:1.5; max-width:52ch;}

.card{
  background:var(--panel); border:1px solid var(--panel-line); border-radius:10px;
  box-shadow:var(--shadow); padding:26px 24px; margin-bottom:20px;
}

label{
  display:block; font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase;
  letter-spacing:0.08em; color:var(--ink-soft); margin-bottom:10px;
}

textarea, input[type="email"]{
  width:100%; background:rgba(0,0,0,0.18);
  border:1px solid var(--panel-line); border-radius:8px;
  font-family:'Inter', sans-serif; font-size:15.5px; color:var(--ink);
  padding:14px; line-height:1.5; outline:none; transition:border-color .15s ease;
}
textarea{min-height:90px; resize:vertical;}
textarea::placeholder, input[type="email"]::placeholder{color:#5C6C82;}
textarea:focus, input[type="email"]:focus{border-color:var(--gold-dark);}

#gateStatus:not(:empty){margin-top:18px;}

.chips{display:flex; flex-wrap:wrap; gap:8px; margin:16px 0 4px;}
.chip{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px;
  padding:8px 14px; border:1px solid var(--panel-line); border-radius:20px;
  background:transparent; color:var(--ink-soft); cursor:pointer; transition:all .15s ease;
}
.chip:hover{border-color:var(--gold-dark); color:var(--gold);}
.chip.active{background:var(--gold); border-color:var(--gold); color:var(--navy-deep); font-weight:600;}

.actions{margin-top:20px; display:flex; align-items:center; gap:16px;}
button.generate{
  font-family:'IBM Plex Mono', monospace; font-size:13.5px; letter-spacing:0.04em; text-transform:uppercase;
  background:var(--gold); color:var(--navy-deep); border:none; border-radius:6px;
  padding:14px 24px; cursor:pointer; font-weight:700;
  box-shadow:0 8px 20px rgba(227,168,87,0.18);
  transition:transform .08s ease;
}
button.generate:active{transform:translateY(2px);}
button.generate:disabled{background:#5C6C82; box-shadow:none; cursor:not-allowed; color:var(--ink-soft);}
.hint{font-size:12px; color:var(--ink-soft); font-family:'IBM Plex Mono', monospace;}

.output-zone{min-height:20px;}

/* LOADING */
.loading{
  display:flex; align-items:center; gap:10px; padding:16px 2px;
  font-family:'IBM Plex Mono', monospace; font-size:13px; color:var(--ink-soft);
}
.stamp-spin{width:14px;height:14px;border-radius:50%; border:2px solid var(--panel-line); border-top-color:var(--gold); animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* RESULT */
.result-card{
  background:var(--panel); border:1px solid var(--panel-line); border-radius:10px;
  box-shadow:var(--shadow); overflow:hidden; animation:rise .35s ease;
}
@keyframes rise{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:translateY(0);}}

.result-head{
  display:flex; justify-content:space-between; align-items:center;
  padding:16px 22px; border-bottom:1px solid var(--panel-line);
}
.result-title{font-family:'Fraunces', serif; font-size:19px;}
.stamp-badge{
  font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.1em;
  background:rgba(111,181,140,0.15); color:var(--good); border:1px solid rgba(111,181,140,0.3);
  border-radius:4px; padding:4px 9px; text-transform:uppercase;
}
.result-body{padding:20px 22px 8px;}
.prompt-text{
  font-family:'IBM Plex Mono', monospace; font-size:14px; line-height:1.7; color:var(--ink);
  white-space:pre-wrap; margin:0 0 18px; background:rgba(0,0,0,0.18); border-radius:8px; padding:16px;
}
.tips{list-style:none; padding:0; margin:0 0 4px;}
.tips li{font-size:13px; color:var(--ink-soft); padding-left:18px; position:relative; margin-bottom:8px;}
.tips li::before{content:"—"; position:absolute; left:0; color:var(--gold);}

.result-foot{display:flex; justify-content:flex-end; gap:10px; padding:14px 22px 18px;}
button.copy{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px;
  background:transparent; border:1px solid var(--gold-dark); color:var(--gold);
  padding:10px 18px; border-radius:6px; cursor:pointer; transition:all .15s ease;
}
button.copy:hover{background:var(--gold); color:var(--navy-deep);}
button.copy.copied{background:var(--gold); color:var(--navy-deep);}

/* WARNING / LOW CREDIT */
.warning{
  display:flex; align-items:center; gap:12px;
  background:rgba(217,118,92,0.1); border:1px solid rgba(217,118,92,0.3); border-radius:8px;
  padding:14px 16px;
}
.warning .icon{font-family:'IBM Plex Mono', monospace; font-weight:700; color:var(--bad); font-size:15px;}
.warning p{margin:0; font-size:13.5px; color:var(--ink); line-height:1.4;}
.warning a{color:var(--gold); text-decoration:underline; font-weight:600;}

.error{
  font-size:13.5px; color:var(--ink); background:var(--panel);
  border:1px solid var(--panel-line); border-radius:8px; padding:14px 16px;
}

footer{text-align:center; margin-top:36px; font-size:12px; color:var(--ink-soft); font-family:'IBM Plex Mono', monospace;}