/* =========================
   Dark Neon Redesign (CSS-only)
   ========================= */

/* CSS Vars (palette) */
:root{
  --bg: #0b0d12;                /* page background */
  --bg-accent: radial-gradient(1200px 600px at 10% -10%, #142034 0%, transparent 50%),
               radial-gradient(900px 500px at 100% 0%, #1b1030 0%, transparent 60%),
               radial-gradient(700px 400px at 40% 100%, #0f2a29 0%, transparent 55%);
  --card: #0f131a;              /* panels */
  --card-2: #111826;
  --muted: #9aa3b2;             /* secondary text */
  --text: #e6e9ef;              /* main text */
  --border: #223046;            /* subtle borders */
  --input: #0c1118;             /* inputs bg */
  --input-border: #2a3954;      /* inputs border */
  --accent: #6be3ff;            /* cyan */
  --accent-2: #9d7bff;          /* purple */
  --accent-3: #2bf2b8;          /* mint */
  --danger: #ff6b6b;
  --shadow: 0 10px 30px rgba(0,0,0,.45), inset 0 0 0 1px rgba(255,255,255,.02);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --ring: 0 0 0 3px rgba(107,227,255,.18);
  --glow: 0 0 0 1px rgba(107,227,255,.35), 0 10px 30px rgba(107,227,255,.12);
  --speed: .2s;
}

/* Reset & Base */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  display:flex;justify-content:center;
  padding:42px 16px;
  position:relative;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed; inset:0; pointer-events:none;
  background: var(--bg-accent);
  opacity:.9;
}

/* Container */
.mix-container{
  width:100%;
  max-width:1100px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
}
.mix-container::before{
  /* neon top border */
  content:"";
  position:absolute; left:0; right:0; top:-1px; height:2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 20%, var(--accent-2) 55%, var(--accent-3) 85%, transparent 100%);
  filter: drop-shadow(0 0 6px rgba(107,227,255,.5));
}

/* Header */
.mix-header{ text-align:center; margin-bottom: 26px; }
.mix-logo{
  width: 220px; height:auto; display:block;
  margin: 0 auto 10px; filter: drop-shadow(0 8px 20px rgba(0,0,0,.35));
}
.mix-title{
  font-weight:800; letter-spacing:.2px;
  font-size: clamp(22px, 3vw, 28px);
  line-height:1.25;
  background: linear-gradient(90deg, #eaf7ff, #dcd6ff 50%, #d7fff4 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* Panels wrapper */
.exchange-panel{
  display:flex; align-items:stretch; gap: 22px; margin-bottom: 22px;
  flex-wrap: wrap;
}

/* Panel */
.panel{
  flex:1 1 0;
  display:flex; flex-direction:column;
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--speed), box-shadow var(--speed), border-color var(--speed);
}
.panel:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0,0,0,.55);
  border-color: #344664;
}

/* Panel Label */
.panel-label{
  padding: 12px 16px;
  font-size: 13px; font-weight:700; letter-spacing:.12em;
  color: var(--muted);
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,.04);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

/* Panel Header */
.panel-header{
  flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  padding: 16px;
}

/* Amount input */
.from-panel .panel-header input{
  width:100%; max-width: 240px;
  padding:12px 14px; font-size: 18px; font-weight:700; text-align:center;
  color: var(--text);
  background: var(--input);
  border:1px solid var(--input-border);
  border-radius: var(--radius-sm);
  outline:none; transition: box-shadow var(--speed), border-color var(--speed);
}
.from-panel .panel-header input::placeholder{ color:#74819a }
.from-panel .panel-header input:focus{
  border-color: var(--accent);
  box-shadow: var(--ring);
}

/* Receive readonly-looking */
.to-panel .panel-header .receive-big{
  width:100%; max-width: 240px;
  padding:12px 14px; font-size:18px; font-weight:800; text-align:center;
  color:#eaf7ff; background: linear-gradient(180deg,#0a1119,#0c141e);
  border:1px solid #2a3a58; border-radius: var(--radius-sm);
}

/* Select */
.panel-select{ flex:1 1 auto; padding: 14px 16px; display:flex; align-items:center }
.custom-select{ position:relative; width:100% }
.select-trigger{
  display:flex; align-items:center; gap:10px;
  padding:12px 14px;
  border:1px solid var(--input-border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg,#0b1118,#0b121a);
  cursor:pointer; transition: box-shadow var(--speed), border-color var(--speed), background var(--speed);
  color: var(--text);
}
.select-trigger:hover{ border-color:#38507a }
.select-trigger:focus-within{ box-shadow: var(--ring) }
.select-logo{ width:24px; height:24px }
.arrow{ margin-left:auto; opacity:.8 }

/* Dropdown */
.options{
  position:absolute; top: calc(100% + 6px); left:0; right:0;
  background: #0b1017; border:1px solid var(--border); border-radius: var(--radius-sm);
  max-height: 280px; overflow-y:auto; display:none; z-index: 50;
  box-shadow: 0 20px 50px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.03) inset;
}
.search-input{
  width:100%; padding:10px 12px;
  background:#0a0f16; color: var(--text);
  border:none; border-bottom:1px solid #1f2a3e; outline:none;
}
.opt-group{
  padding:8px 12px; font-size:12px; color:#7f8aa0; background:#0b1118; position:sticky; top:0; z-index:1;
}
.option{
  display:flex; align-items:center; gap:10px; padding:10px 12px; cursor:pointer;
  transition: background var(--speed);
}
.option img{ width:20px; height:20px }
.option span{ white-space:nowrap; flex:1 }
.option:hover{ background: linear-gradient(90deg, rgba(107,227,255,.08), rgba(157,123,255,.08)) }

/* Swap button */
.mix-swap{
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  color:#0b0d12; font-weight:800; border:none;
  padding: 0 20px; font-size:18px; line-height: 44px;
  border-radius: 22px; cursor:pointer; align-self:center; margin-top: 6px;
  box-shadow: var(--glow); transition: transform var(--speed), filter var(--speed), box-shadow var(--speed);
}
.mix-swap:hover{ transform: translateY(-1px); filter: saturate(105%) }
.mix-swap:active{ transform: translateY(0); box-shadow: 0 0 0 1px rgba(107,227,255,.2) }

/* Form */
.mix-form label{
  display:block; margin-top: 18px; margin-bottom: 8px; color:#cbd5e1; font-weight:600; letter-spacing:.02em;
}
.mix-form input[type="text"]{
  width:100%; padding:12px 14px; border:1px solid var(--input-border);
  border-radius: var(--radius-sm); background: var(--input); color: var(--text);
  outline:none; transition: border-color var(--speed), box-shadow var(--speed);
}
.mix-form input[type="text"]::placeholder{ color:#76839c }
.mix-form input[type="text"]:focus{ border-color: var(--accent); box-shadow: var(--ring) }

/* Submit */
.mix-submit{
  display:block; width:100%;
  background: linear-gradient(90deg, var(--accent-3) 0%, var(--accent) 50%, var(--accent-2) 100%);
  color:#0b0d12; border:none; padding: 14px; border-radius: var(--radius);
  cursor:pointer; font-size:16px; font-weight:800; margin-top: 24px;
  box-shadow: var(--glow);
  transition: transform var(--speed), filter var(--speed);
}
.mix-submit:hover{ transform: translateY(-1px) }
.mix-submit:active{ transform: translateY(0) }

/* SEO & Info blocks (dark) */
.seo-section,
.info-block{
  max-width:1000px; margin: 28px auto 0; padding: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border:1px solid var(--border); border-radius: var(--radius);
  color:#c9d2df;
}
.seo-section h2, .seo-section h3{ color:#e6e9ef }
.seo-section p{ line-height:1.7 }
.info-block .label{ font-weight:700; color:#cbd5e1; margin-bottom:8px }
.info-block .value a{ color: var(--accent) }
.info-block .value a:hover{ text-decoration: underline }

/* Loader */
.loader{
  display:inline-block; width:16px; height:16px;
  border:2px solid #203149; border-top-color: var(--accent);
  border-radius:50%; animation: spin .8s linear infinite;
  visibility:hidden; margin-left:8px; vertical-align:middle;
}
@keyframes spin{ to{ transform: rotate(360deg) } }

/* Mobile */
@media (max-width: 720px){
  .exchange-panel{ flex-direction: column; gap: 16px }
  .mix-container{ padding:18px }
  .mix-logo{ width: 190px }
  .mix-title{ font-size: clamp(20px, 7vw, 26px) }
}

/* --- FIX: enable scrolling on homepage --- */
html, body {
  height: auto !important;
  min-height: 100% !important;
  overflow-y: auto !important;
}

/* главный контейнер страницы — нельзя скрывать переполнение */
.mix-container {
  overflow: visible !important;   /* было: hidden */
}

/* если body сделан flex-контейнером — уберём, чтобы не сжимать страницу */
body {
  display: block !important;      /* вместо display:flex; */
}

/* чтобы центрирование сохранилось без flex на body */
.mix-container {
  margin-left: auto !important;
  margin-right: auto !important;
}