/* ============================================================
   ForexArena — Global Design System
   Palette: Volcanic Glass  |  Fonts: Clash Display + Syne
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* Volcanic Glass Palette */
  --bg-void:       #0a0a0a;
  --bg-deep:       #111111;
  --bg-surface:    #1a1a1a;
  --bg-elevated:   #222222;
  --bg-card:       #1e1e1e;
  --border:        #2a2a2a;
  --border-bright: #3a3a3a;

  /* Accent — electric orange */
  --accent:        #FF6B2B;
  --accent-dim:    #cc5522;
  --accent-glow:   rgba(255,107,43,0.18);
  --accent-subtle: rgba(255,107,43,0.08);

  /* Secondary accent — amber */
  --amber:         #FFB088;
  --amber-dim:     rgba(255,176,136,0.15);

  /* Semantic */
  --green:         #22c55e;
  --green-dim:     rgba(34,197,94,0.12);
  --red:           #ef4444;
  --red-dim:       rgba(239,68,68,0.12);
  --blue:          #3b82f6;
  --blue-dim:      rgba(59,130,246,0.12);
  --yellow:        #eab308;

  /* Text */
  --text-primary:  #f0f0f0;
  --text-secondary:#a0a0a0;
  --text-muted:    #606060;
  --text-accent:   #FF6B2B;

  /* Typography */
  --font-display:  'Syne', sans-serif;
  --font-mono:     'Space Mono', monospace;

  /* Spacing */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.6);
  --shadow-accent: 0 0 30px rgba(255,107,43,0.25);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-display); }
input, select, textarea { font-family: var(--font-display); }
img { max-width: 100%; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em;
}
.nav-logo .logo-icon {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 800; color: #fff;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
}
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-user {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
}
.nav-user:hover { border-color: var(--accent); }
.nav-avatar {
  width: 26px; height: 26px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 800; color: #fff;
}
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem; font-weight: 700;
  border: none; transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px rgba(255,107,43,0.3);
}
.btn-primary:hover {
  background: #ff7d45;
  box-shadow: 0 0 30px rgba(255,107,43,0.5);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-bright);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-bright); }
.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-success {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.3);
}
.btn-success:hover { background: var(--green); color: #fff; }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
.btn-xl { padding: 1rem 2.5rem; font-size: 1.1rem; border-radius: var(--radius-lg); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border-bright); }
.card-accent { border-color: var(--accent); box-shadow: var(--shadow-accent); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 1rem; font-weight: 700; }
.card-subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.8rem; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select { appearance: none; cursor: pointer; }
.form-select option { background: var(--bg-deep); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-error { font-size: 0.78rem; color: var(--red); margin-top: 0.35rem; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.35rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* Checkbox group */
.checkbox-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
}
.checkbox-item {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer; transition: all 0.2s;
  font-size: 0.82rem; font-weight: 600;
}
.checkbox-item:hover { border-color: var(--accent); }
.checkbox-item input[type="checkbox"] { accent-color: var(--accent); }
.checkbox-item.checked { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); }

/* ============================================================
   BADGES & TAGS
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-active   { background: var(--green-dim); color: var(--green); border: 1px solid rgba(34,197,94,0.25); }
.badge-upcoming { background: var(--blue-dim);  color: var(--blue);  border: 1px solid rgba(59,130,246,0.25); }
.badge-ended    { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border); }
.badge-accent   { background: var(--accent-subtle); color: var(--accent); border: 1px solid rgba(255,107,43,0.3); }
.badge-dot::before {
  content: ''; display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}
.stat-label {
  font-size: 0.75rem; font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.stat-value {
  font-size: 1.75rem; font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1;
}
.stat-change {
  font-size: 0.78rem; font-weight: 600;
  margin-top: 0.4rem;
  display: flex; align-items: center; gap: 4px;
}
.stat-change.up   { color: var(--green); }
.stat-change.down { color: var(--red); }
.stat-change.neutral { color: var(--text-muted); }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrap { overflow-x: auto; }
.table {
  width: 100%; border-collapse: collapse;
  font-size: 0.875rem;
}
.table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.72rem; font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--bg-elevated); color: var(--text-primary); }
.table .mono { font-family: var(--font-mono); font-size: 0.82rem; }
.table .positive { color: var(--green); font-weight: 700; }
.table .negative { color: var(--red); font-weight: 700; }

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex; gap: 0.25rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
}
.tab-btn {
  flex: 1; padding: 0.5rem 1rem;
  background: none; border: none;
  border-radius: var(--radius-sm);
  font-size: 0.82rem; font-weight: 700;
  color: var(--text-muted);
  transition: all 0.2s;
}
.tab-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}
.tab-btn:hover:not(.active) { color: var(--text-secondary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.25s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem;
}
.modal-title { font-size: 1.2rem; font-weight: 800; }
.modal-close {
  width: 32px; height: 32px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--text-muted);
  cursor: pointer; transition: all 0.2s;
}
.modal-close:hover { color: var(--text-primary); border-color: var(--border-bright); }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
#toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-md);
  font-size: 0.875rem; font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
  min-width: 260px; max-width: 380px;
}
.toast.success { border-color: rgba(34,197,94,0.4); }
.toast.error   { border-color: rgba(239,68,68,0.4); }
.toast.info    { border-color: rgba(59,130,246,0.4); }
.toast-icon { font-size: 1rem; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   PRICE TICKER (top bar)
   ============================================================ */
.ticker-bar {
  position: fixed; top: 64px; left: 0; right: 0; z-index: 999;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  overflow: hidden; height: 32px;
}
.ticker-track {
  display: flex; align-items: center; gap: 2.5rem;
  height: 100%;
  animation: tickerScroll 40s linear infinite;
  white-space: nowrap;
  padding: 0 1rem;
}
.ticker-item {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 700;
  font-family: var(--font-mono);
}
.ticker-pair { color: var(--text-secondary); }
.ticker-price { color: var(--text-primary); }
.ticker-change.up   { color: var(--green); }
.ticker-change.down { color: var(--red); }
@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   PAGE WRAPPER
   ============================================================ */
.page-wrapper {
  padding-top: 96px; /* nav + ticker */
  min-height: 100vh;
}
.page-wrapper.no-ticker { padding-top: 64px; }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 1.5rem; }
.container-lg { max-width: 1440px; margin: 0 auto; padding: 0 1.5rem; }

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-eyebrow {
  font-size: 0.72rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.03em;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 560px; margin-top: 0.75rem; line-height: 1.7;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-accent   { color: var(--accent); }
.text-green    { color: var(--green); }
.text-red      { color: var(--red); }
.text-muted    { color: var(--text-muted); }
.text-secondary{ color: var(--text-secondary); }
.text-mono     { font-family: var(--font-mono); }
.text-center   { text-align: center; }
.text-right    { text-align: right; }
.font-bold     { font-weight: 700; }
.font-black    { font-weight: 800; }
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-col      { display: flex; flex-direction: column; }
.gap-1         { gap: 0.5rem; }
.gap-2         { gap: 1rem; }
.gap-3         { gap: 1.5rem; }
.items-center  { align-items: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none !important; }
.w-full { width: 100%; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ============================================================
   RANK MEDALS
   ============================================================ */
.rank-badge {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800;
  font-family: var(--font-mono);
}
.rank-1 { background: linear-gradient(135deg, #FFD700, #FFA500); color: #000; }
.rank-2 { background: linear-gradient(135deg, #C0C0C0, #A0A0A0); color: #000; }
.rank-3 { background: linear-gradient(135deg, #CD7F32, #A0522D); color: #fff; }
.rank-other { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border); }

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
  height: 6px; background: var(--bg-elevated);
  border-radius: 3px; overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 3px;
  background: var(--accent);
  transition: width 0.5s ease;
}
.progress-fill.green { background: var(--green); }
.progress-fill.red   { background: var(--red); }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center; padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 1rem; opacity: 0.4; }
.empty-state h3 { font-size: 1rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 0.5rem; }
.empty-state p  { font-size: 0.875rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .modal { padding: 1.5rem; }
}