/* ══════════════════════════════════════════════
   FX TERMINAL — style.css
   ══════════════════════════════════════════════ */

/* ── CSS VARIABLES ── */
:root {
  --bg:           #080c10;
  --surface:      #0d1117;
  --panel:        #111820;
  --border:       #1e2d3d;
  --accent:       #00e5ff;
  --accent2:      #39ff7e;
  --accent3:      #ff6b35;
  --warn:         #ffcb47;
  --text:         #cdd9e5;
  --muted:        #5a7a96;
  --red:          #ff4d6d;
  --green:        #39ff7e;
  --font-mono:    'Share Tech Mono', monospace;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --glow:         0 0 20px rgba(0,229,255,0.15);
  --glow2:        0 0 20px rgba(57,255,126,0.15);
}

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

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

/* Grid noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar         { width: 6px; height: 6px; }
::-webkit-scrollbar-track   { background: var(--bg); }
::-webkit-scrollbar-thumb   { background: var(--border); border-radius: 3px; }

/* ══════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,12,16,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.logo span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.25);
  padding: 2px 8px;
  border-radius: 3px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 0.72rem;
}

.live-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 1.5s infinite;
}

/* ══════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════ */
@keyframes pulse {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(57,255,126,0.4); }
  50%      { opacity: 0.6; box-shadow: 0 0 0 6px rgba(57,255,126,0); }
}

@keyframes ticker-anim {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes shimmer {
  0%   { opacity: 0.4; }
  50%  { opacity: 0.8; }
  100% { opacity: 0.4; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════
   MAIN LAYOUT
   ══════════════════════════════════════════════ */
main {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.25rem;
}

/* ══════════════════════════════════════════════
   PANELS
   ══════════════════════════════════════════════ */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.3s;
  animation: fadeUp 0.5s ease both;
}

.panel:hover { border-color: rgba(0,229,255,0.2); }

.panel:nth-child(1) { animation-delay: 0.05s; }
.panel:nth-child(2) { animation-delay: 0.10s; }
.panel:nth-child(3) { animation-delay: 0.15s; }
.panel:nth-child(4) { animation-delay: 0.20s; }
.panel:nth-child(5) { animation-delay: 0.25s; }
.panel:nth-child(6) { animation-delay: 0.30s; }
.panel:nth-child(7) { animation-delay: 0.35s; }

.panel-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
}

.panel-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-title::before {
  content: '//';
  color: var(--accent);
  opacity: 0.6;
}

.panel-body { padding: 18px; }

/* ══════════════════════════════════════════════
   STATUS BAR
   ══════════════════════════════════════════════ */
.status-bar {
  grid-column: 1 / -1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

/* ══════════════════════════════════════════════
   TICKER STRIP
   ══════════════════════════════════════════════ */
.ticker { grid-column: 1 / -1; }

.ticker-scroll {
  display: flex;
  overflow: hidden;
  position: relative;
}

.ticker-inner {
  display: flex;
  animation: ticker-anim 40s linear infinite;
  white-space: nowrap;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s;
}

.ticker-item:hover { background: rgba(0,229,255,0.04); }

.ticker-pair {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  font-weight: 600;
}

.ticker-rate {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.ticker-change {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 3px;
}

.up      { color: var(--green); }
.down    { color: var(--red); }
.up-bg   { background: rgba(57,255,126,0.12); color: var(--green); }
.down-bg { background: rgba(255,77,109,0.12); color: var(--red); }

/* ══════════════════════════════════════════════
   CONVERTER
   ══════════════════════════════════════════════ */
.converter { grid-column: 1 / -1; }

.converter-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: end;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

select,
input[type="number"] {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 6px;
  width: 100%;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}

select:focus,
input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.08);
}

.swap-btn {
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.25);
  color: var(--accent);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.3s;
  flex-shrink: 0;
}

.swap-btn:hover {
  background: rgba(0,229,255,0.18);
  transform: rotate(180deg);
}

.result-display {
  margin-top: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.result-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent2);
  letter-spacing: -0.03em;
}

.result-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════
   CHART
   ══════════════════════════════════════════════ */
.chart-section { grid-column: 1 / 3; }

.chart-container {
  position: relative;
  height: 260px;
}

.chart-controls {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chart-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.chart-btn:hover,
.chart-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,229,255,0.06);
}

/* ══════════════════════════════════════════════
   RATES TABLE
   ══════════════════════════════════════════════ */
.rates-panel { grid-column: 3 / 4; }

.rates-table {
  width: 100%;
  border-collapse: collapse;
}

.rates-table tr {
  border-bottom: 1px solid rgba(30,45,61,0.7);
  transition: background 0.15s;
}

.rates-table tr:last-child { border-bottom: none; }
.rates-table tr:hover      { background: rgba(0,229,255,0.03); }

.rates-table td {
  padding: 9px 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.rates-table .pair-col   { color: var(--text); font-weight: 600; }
.rates-table .rate-col   { color: var(--accent); text-align: right; }
.rates-table .change-col { text-align: right; }

/* ══════════════════════════════════════════════
   TRAVEL BUDGET CALCULATOR
   ══════════════════════════════════════════════ */
.budget { grid-column: 1 / 3; }

.budget-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.budget-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.budget-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.calc-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(0,229,255,0.05));
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  grid-column: 1 / -1;
}

.calc-btn:hover {
  background: linear-gradient(135deg, rgba(0,229,255,0.22), rgba(0,229,255,0.1));
  box-shadow: var(--glow);
}

.budget-results {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 1rem;
}

.budget-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 12px;
  text-align: center;
}

.budget-card .label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 6px;
  display: block;
}

.budget-card .value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent2);
}

/* ══════════════════════════════════════════════
   CRYPTO PANEL
   ══════════════════════════════════════════════ */
.crypto-panel { grid-column: 3 / 4; }

.crypto-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(30,45,61,0.7);
}

.crypto-item:last-child { border-bottom: none; }

.crypto-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.crypto-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  flex-shrink: 0;
}

.crypto-name   { font-size: 0.8rem; font-weight: 500; }
.crypto-symbol { font-family: var(--font-mono); font-size: 0.65rem; color: var(--muted); }

.crypto-price {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
}

/* ══════════════════════════════════════════════
   UTILITIES
   ══════════════════════════════════════════════ */
.loading { animation: shimmer 1.4s ease-in-out infinite; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 900px) {
  main {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .chart-section,
  .rates-panel,
  .crypto-panel,
  .budget {
    grid-column: 1;
  }

  .converter-grid {
    grid-template-columns: 1fr;
  }

  .swap-btn {
    transform: rotate(90deg);
    width: 100%;
    border-radius: 6px;
    height: 38px;
  }

  .swap-btn:hover { transform: rotate(270deg); }

  .budget-grid    { grid-template-columns: 1fr; }
  .budget-results { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .budget-results { grid-template-columns: 1fr; }
  .result-amount  { font-size: 1.5rem; }
}

footer {
text-align: center;
padding: 10px;
position: fixed;
bottom: 0;
width: 100%;
}