/* ============================================================
   PulseTicker — original stylesheet
   ============================================================ */

:root {
  --bg: #0a0e14;
  --bg-panel: #10161f;
  --bg-card: #141b26;
  --border: rgba(255,255,255,.07);
  --text: #e8edf5;
  --text-dim: #8b96a8;
  --accent: #2dd4bf;      /* teal */
  --accent-soft: rgba(45,212,191,.14);
  --up: #34d399;
  --down: #f87171;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[hidden] { display: none !important; } /* must win over any class that sets its own display */
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px 60px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10,14,20,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--accent); }
.main-nav { display: flex; gap: 22px; margin-left: auto; }
.main-nav a { color: var(--text-dim); font-size: 14px; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--text); border-color: var(--accent); }
.updated-at { font-size: 12px; color: var(--text-dim); white-space: nowrap; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 22px; }

@media (max-width: 760px) {
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-panel);
    flex-direction: column; gap: 0; padding: 8px 20px; display: none; border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: block; }
  .updated-at { display: none; }
}

/* ---------- hero ---------- */
.hero { padding: 48px 0 24px; text-align: center; }
.hero h1 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 12px; }
.hero p { color: var(--text-dim); max-width: 560px; margin: 0 auto; font-size: 15px; }

/* ---------- search ---------- */
.search-panel { position: relative; margin: 20px 0; }
.search-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 999px;
  padding: 12px 18px; color: var(--text-dim);
}
.search-box input {
  flex: 1; background: none; border: none; outline: none; color: var(--text); font-size: 14px;
}
.search-results {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 30;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); max-height: 340px; overflow-y: auto; padding: 6px;
}
.search-result {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; color: var(--text); padding: 10px 12px; border-radius: 8px; font-size: 13px; text-align: left;
}
.search-result:hover { background: var(--accent-soft); }
.sr-tag { font-size: 11px; color: var(--text-dim); text-transform: capitalize; }
.sr-empty, .sr-heading { padding: 10px 12px; font-size: 13px; color: var(--text-dim); }

/* ---------- stats ---------- */
.stats-panel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat-label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 700; }
.stat-sub { display: block; font-size: 12px; margin-top: 4px; }
.stat-sub.up { color: var(--up); }
.stat-sub.down { color: var(--down); }
@media (max-width: 640px) { .stats-panel { grid-template-columns: 1fr; } }

/* ---------- category tabs ---------- */
.cat-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 18px; }
.cat-tab {
  flex: none; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim);
  padding: 9px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; white-space: nowrap;
}
.cat-tab.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.cat-count { opacity: .7; font-weight: 400; }

/* ---------- asset grid ---------- */
.showing-line { color: var(--text-dim); font-size: 13px; margin: 0 0 12px; }
.asset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 14px; }
.grid-empty { color: var(--text-dim); padding: 40px 0; text-align: center; }

.asset-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; cursor: pointer; transition: border-color .15s, transform .15s;
}
.asset-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.asset-card.card-in { animation: cardIn .3s ease both; animation-delay: calc(var(--i, 0) * 30ms); }
@keyframes cardIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card-top { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.card-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center; flex: none; }
.card-id { flex: 1; min-width: 0; }
.card-name { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-symbol { font-size: 12px; color: var(--text-dim); }
.card-price-wrap { text-align: right; }
.card-price { font-weight: 700; font-size: 15px; }
.card-change { font-size: 12px; }
.card-change.up { color: var(--up); }
.card-change.down { color: var(--down); }
.price-flash-up { animation: flashUp .6s ease; }
.price-flash-down { animation: flashDown .6s ease; }
@keyframes flashUp { 0% { background: rgba(52,211,153,.25); } 100% { background: transparent; } }
@keyframes flashDown { 0% { background: rgba(248,113,113,.25); } 100% { background: transparent; } }

.card-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-dim); border-top: 1px solid var(--border); padding-top: 10px; }
.card-actions { display: flex; gap: 10px; align-items: center; }
.card-alert { background: none; border: none; color: var(--text-dim); font-size: 12px; }
.card-alert:hover { color: var(--accent); }
.card-view { color: var(--accent); font-size: 12px; font-weight: 600; }

/* skeleton loading */
.sk, .sk-inline { background: linear-gradient(90deg, var(--border) 25%, rgba(255,255,255,.12) 50%, var(--border) 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 4px; }
.sk-inline { display: inline-block; width: 60px; height: 14px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ---------- pagination ---------- */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 24px; flex-wrap: wrap; }
.pagination button { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim);
  padding: 7px 12px; border-radius: 8px; font-size: 13px; }
.pagination button.active { background: var(--accent); color: #06231f; border-color: var(--accent); font-weight: 700; }
.pagination button:disabled { opacity: .4; cursor: default; }
.page-gap { color: var(--text-dim); padding: 7px 4px; }

/* ---------- chart panel ---------- */
.chart-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-top: 26px; }
.chart-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.chart-head h2 { margin: 0; font-size: 16px; }
.range-tabs { display: flex; gap: 4px; background: var(--bg-panel); padding: 4px; border-radius: 8px; }
.range-tabs button { background: none; border: none; color: var(--text-dim); font-size: 12px; padding: 6px 10px; border-radius: 6px; }
.range-tabs button.active { background: var(--accent-soft); color: var(--accent); }
.chart-stats { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 14px; font-size: 13px; }
.cs-item { display: flex; flex-direction: column; gap: 2px; }
.cs-item em { font-style: normal; color: var(--text-dim); font-size: 11px; }
.cs-item strong.up { color: var(--up); }
.cs-item strong.down { color: var(--down); }
.chart-loading, .chart-empty { text-align: center; color: var(--text-dim); font-size: 13px; padding: 30px 0; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }
#chartCanvas { width: 100%; display: block; }

/* ---------- modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 460px; width: 100%; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow); }
.asset-modal { padding: 20px; }
.am-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.am-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center; flex: none; }
.am-id { flex: 1; }
.am-id h3 { margin: 0; font-size: 15px; }
.am-symbol { font-size: 12px; color: var(--text-dim); }
.am-price-block { text-align: right; }
.am-price { font-size: 18px; font-weight: 700; }
.am-change.up { color: var(--up); font-size: 12px; }
.am-change.down { color: var(--down); font-size: 12px; }
.modal-close { background: none; border: none; color: var(--text-dim); font-size: 18px; }
.am-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 16px; }
.am-stat { background: var(--bg-card); border-radius: 8px; padding: 10px 12px; font-size: 12px; }
.am-stat span { display: block; color: var(--text-dim); margin-bottom: 3px; }
.am-chart { margin-bottom: 18px; min-height: 60px; }
.am-alert h4 { margin: 0 0 10px; font-size: 14px; }
.am-alert-form, .modal-form { display: flex; flex-direction: column; gap: 10px; }
.am-field label, .modal-form label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.am-field input, .am-field select, .modal-form input, .modal-form select {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: 8px; font-size: 13px; outline: none;
}
.am-field input:focus, .modal-form input:focus { border-color: var(--accent); }
.modal-submit { background: var(--accent); color: #06231f; border: none; padding: 11px; border-radius: 8px; font-weight: 700; font-size: 13px; margin-top: 4px; }
.modal-submit:disabled { opacity: .6; }
.form-note { font-size: 12px; margin-top: 8px; }
.form-note.ok { color: var(--up); }
.form-note.err { color: var(--down); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 50px; padding: 40px 0 24px; background: var(--bg-panel); }
.footer-grid { max-width: 1180px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
.footer-brand { font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.footer-tag { color: var(--text-dim); font-size: 13px; }
.footer-col h4 { font-size: 13px; margin: 0 0 10px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: var(--text-dim); font-size: 13px; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { max-width: 1180px; margin: 30px auto 0; padding: 16px 20px 0; border-top: 1px solid var(--border); color: var(--text-dim); font-size: 12px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- generic content pages (about/contact/etc) ---------- */
.content-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin: 30px 0; }
.content-card h1 { margin-top: 0; }
.accent-underline { width: 50px; height: 3px; background: var(--accent); border: none; margin: 14px 0 20px; }
.content-card label { display: block; font-size: 13px; color: var(--text-dim); margin: 14px 0 6px; }
.content-card input, .content-card textarea {
  width: 100%; background: var(--bg-panel); border: 1px solid var(--border); color: var(--text);
  padding: 11px 14px; border-radius: 8px; font-size: 14px; outline: none;
}
.content-card input:focus, .content-card textarea:focus { border-color: var(--accent); }
.content-card button[type="submit"] { margin-top: 16px; background: var(--accent); color: #06231f; border: none; padding: 12px 22px; border-radius: 8px; font-weight: 700; }