/* =============================================
   Crypto Comiks — Global Styles
   ============================================= */
:root {
  --bg:        #0d0f14;
  --bg2:       #141720;
  --bg3:       #1c2030;
  --border:    #252a38;
  --accent:    #f7931a;   /* Bitcoin orange */
  --accent2:   #6272a4;
  --green:     #50fa7b;
  --red:       #ff5555;
  --text:      #e8ecf0;
  --text2:     #8892a4;
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(0,0,0,.4);
  --font:      'Segoe UI', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Header ---- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .75rem 1.5rem;
  background: rgba(13,15,20,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.3rem;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text);
}
.logo-icon { font-size: 1.6rem; color: var(--accent); }
.accent { color: var(--accent); }

.nav-tabs {
  display: flex;
  gap: .4rem;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tab {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .4rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
}
.nav-tab:hover { border-color: var(--accent); color: var(--text); }
.nav-tab.active { background: var(--accent); border-color: var(--accent); color: #000; }
.nav-tab .tab-icon { font-size: 1rem; }

.header-right {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
  white-space: nowrap;
}

.last-update { font-size: .75rem; color: var(--text2); }

.btn-alert-open {
  padding: .4rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.btn-alert-open:hover { background: var(--accent); color: #000; }
.btn-alert-open.has-alerts { background: var(--accent); color: #000; }

/* ---- Ticker Bar ---- */
.ticker-bar {
  display: flex;
  gap: 1px;
  background: var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.ticker-bar::-webkit-scrollbar { display: none; }

.ticker-item {
  flex: 1;
  min-width: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .6rem 1rem;
  background: var(--bg2);
  cursor: pointer;
  transition: background .2s;
  gap: .15rem;
}
.ticker-item:hover { background: var(--bg3); }
.ticker-item.active { background: var(--bg3); border-bottom: 2px solid var(--accent); }
.ticker-symbol { font-size: .7rem; font-weight: 700; color: var(--text2); letter-spacing: .05em; }
.ticker-price { font-size: .95rem; font-weight: 700; color: var(--text); }
.ticker-change { font-size: .75rem; font-weight: 600; }
.ticker-change.up { color: var(--green); }
.ticker-change.down { color: var(--red); }

/* ---- Chart Section ---- */
.chart-section {
  margin: 1.5rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.coin-info { display: flex; flex-direction: column; gap: .3rem; }
.coin-name {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.4rem;
  font-weight: 700;
}
.coin-badge {
  font-size: .65rem;
  font-weight: 700;
  padding: .2rem .55rem;
  border-radius: 999px;
  background: var(--bg3);
  color: var(--text2);
  letter-spacing: .08em;
}
.coin-price-big { font-size: 2rem; font-weight: 800; }
.coin-change-big { font-size: .95rem; font-weight: 600; }
.coin-change-big.up { color: var(--green); }
.coin-change-big.down { color: var(--red); }

.range-btns { display: flex; gap: .4rem; }
.range-btn {
  padding: .4rem .85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.range-btn:hover { border-color: var(--accent); color: var(--text); }
.range-btn.active { background: var(--accent); border-color: var(--accent); color: #000; }

.chart-wrap {
  position: relative;
  height: 320px;
}

/* ---- Stats Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 0 1.5rem 1.5rem;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.stat-label { font-size: .7rem; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .07em; margin-bottom: .35rem; }
.stat-value { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.stat-sub { font-size: .75rem; color: var(--text2); margin-top: .2rem; }

/* ---- Coins Grid ---- */
.coins-section {
  margin: 0 1.5rem 2rem;
}
.coins-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; color: var(--text2); }

.coins-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.coin-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: all .2s;
  position: relative;
  overflow: hidden;
}
.coin-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.coin-card.active { border-color: var(--accent); }

.coin-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .75rem;
}
.coin-card-name { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1rem; }
.coin-icon { font-size: 1.4rem; }
.coin-sym { font-size: .65rem; color: var(--text2); font-weight: 700; letter-spacing: .07em; margin-left: .2rem; }
.coin-card-change { font-size: .9rem; font-weight: 700; }
.coin-card-change.up { color: var(--green); }
.coin-card-change.down { color: var(--red); }

.coin-card-price { font-size: 1.35rem; font-weight: 800; margin-bottom: .5rem; }

.sparkline-wrap { height: 50px; }

.coin-card-stats {
  display: flex;
  justify-content: space-between;
  margin-top: .75rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
}
.ccs-item { text-align: center; }
.ccs-label { font-size: .6rem; color: var(--text2); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.ccs-value { font-size: .82rem; font-weight: 700; margin-top: .15rem; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(480px, 95vw);
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform .25s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg2);
}
.modal-header h3 { font-size: 1.05rem; font-weight: 700; }
.modal-close {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 1.1rem;
  cursor: pointer;
  transition: color .2s;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 1.5rem; }

.alert-form {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1rem;
}
.form-row label { font-size: .75rem; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .06em; }
.form-row select,
.form-row input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .9rem;
  padding: .55rem .85rem;
  outline: none;
  transition: border-color .2s;
}
.form-row select:focus,
.form-row input:focus { border-color: var(--accent); }

.btn-add-alert {
  width: 100%;
  padding: .65rem;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: #000;
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .2s;
}
.btn-add-alert:hover { opacity: .88; }

.alerts-list { display: flex; flex-direction: column; gap: .75rem; }
.alert-empty { text-align: center; color: var(--text2); font-size: .9rem; padding: 1.5rem 0; }

.alert-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  gap: .75rem;
}
.alert-item.triggered { border-color: var(--accent); }
.alert-info { display: flex; flex-direction: column; gap: .2rem; flex: 1; }
.alert-coin { font-size: .85rem; font-weight: 700; }
.alert-cond { font-size: .75rem; color: var(--text2); }
.alert-target { font-size: .95rem; font-weight: 700; color: var(--accent); }
.alert-status {
  font-size: .65rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 999px;
  letter-spacing: .06em;
}
.alert-status.active { background: rgba(80,250,123,.15); color: var(--green); }
.alert-status.triggered { background: rgba(247,147,26,.15); color: var(--accent); }
.btn-del-alert {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: var(--radius-sm);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: .85rem;
  transition: all .2s;
  flex-shrink: 0;
}
.btn-del-alert:hover { border-color: var(--red); color: var(--red); }

/* ---- Toast ---- */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  pointer-events: none;
}
.toast {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1.25rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow);
  min-width: 260px;
  max-width: 360px;
  animation: slideIn .3s ease;
  pointer-events: all;
}
.toast.alert-toast { border-left: 3px solid var(--accent); }
.toast.success-toast { border-left: 3px solid var(--green); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);   opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ---- Loading ---- */
.loading-pulse {
  background: linear-gradient(90deg, var(--bg3) 25%, var(--border) 50%, var(--bg3) 75%);
  background-size: 200% 100%;
  animation: pulse 1.5s infinite;
  border-radius: 4px;
}
@keyframes pulse {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  header { padding: .6rem 1rem; flex-wrap: wrap; }
  .nav-tabs { order: 3; width: 100%; }
  .chart-section, .stats-grid, .coins-section { margin-left: .75rem; margin-right: .75rem; }
  .chart-wrap { height: 220px; }
  .coin-price-big { font-size: 1.5rem; }
}