/* ═══════════════════════════════════════════════════════════════
   SPARC ENERGY — Carbon Credit Market Platform
   Premium Dark Theme Design System
   Inspired by: Binance, Groww, Verra, Gold Standard
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
  /* 🎨 Premium Brand Palette */
  --sparc-green: #00f5b8;        /* More vibrant emerald */
  --sparc-green-dark: #00c493;
  --sparc-green-glow: rgba(0, 245, 184, 0.12);
  --sparc-green-border: rgba(0, 245, 184, 0.2);
  --sparc-blue: #3d8bff;        /* Premium Electric Blue */
  --sparc-blue-glow: rgba(61, 139, 255, 0.15);
  --sparc-gold: #ffcc00;
  --sparc-gold-glow: rgba(255, 204, 0, 0.1);
  --sparc-red: #ff4d4d;
  
  /* 🌑 Deep Space Backgrounds */
  --bg-primary: #02060c;        /* Deeper black */
  --bg-secondary: #0a111c;
  --bg-tertiary: #111d2e;
  
  /* 🧊 Glassmorphism 2.0 */
  --glass-bg: rgba(10, 17, 28, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-bright: rgba(255, 255, 255, 0.15);
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  
  /* 💬 Typography */
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* ✨ Effects & Shadows */
  --glow-green: 0 0 20px rgba(0, 245, 184, 0.2);
  --glow-blue: 0 0 20px rgba(61, 139, 255, 0.2);
  --shadow-premium: 0 20px 40px rgba(0,0,0,0.4);
  
  /* 📐 Geometry */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  
  /* ⚡ Performance Transitions */
  --ts: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  --ts-slow: all 0.5s cubic-bezier(0.2, 0, 0, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0, 212, 161, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(79, 142, 247, 0.05) 0%, transparent 50%);
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; }

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,161,0.4); }

/* ─── Live Ticker ───────────────────────────────────────────── */
.ticker-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  overflow: hidden;
  position: relative;
}
.ticker-bar::before, .ticker-bar::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.ticker-bar::before { left: 0; background: linear-gradient(to right, var(--bg-secondary), transparent); }
.ticker-bar::after { right: 0; background: linear-gradient(to left, var(--bg-secondary), transparent); }
.ticker-track {
  display: flex;
  gap: 40px;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.ticker-track:hover { animation-play-state: paused; }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
}
.ticker-item .t-name { color: var(--text-secondary); }
.ticker-item .t-price { color: var(--text-primary); font-weight: 600; }
.ticker-item .t-change { padding: 2px 6px; border-radius: var(--radius-full); font-size: 11px; }
.ticker-item .t-change.up { background: rgba(0,212,161,0.15); color: var(--sparc-green); }
.ticker-item .t-change.down { background: rgba(240,62,62,0.15); color: var(--sparc-red); }
.ticker-item .t-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--sparc-green); }

/* ─── Navigation ────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.nav-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--sparc-green), var(--sparc-blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.nav-logo .logo-text { color: var(--text-primary); }
.nav-logo .logo-sub {
  font-size: 11px;
  color: var(--sparc-green);
  font-weight: 500;
  display: block;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-link.active { color: var(--sparc-green); background: var(--sparc-green-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-badge {
  background: var(--sparc-green);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  position: absolute;
  top: -4px;
  right: -4px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  transition: var(--transition);
  border-radius: 2px;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  opacity: 0;
  transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn-primary {
  background: linear-gradient(135deg, var(--sparc-green), var(--sparc-green-dark));
  color: #000;
  box-shadow: 0 4px 20px rgba(0, 245, 184, 0.25);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 245, 184, 0.4); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--sparc-green-border); }
.btn-gold {
  background: linear-gradient(135deg, var(--sparc-gold), var(--sparc-gold-dark));
  color: #000;
  box-shadow: 0 4px 15px rgba(245, 197, 24, 0.3);
}
.btn-ghost { color: var(--text-secondary); padding: 8px 14px; }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-card); }
.btn-danger { background: var(--sparc-red); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-icon { padding: 8px; border-radius: var(--radius-md); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--ts);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.card-hover:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
  border-color: var(--glass-border-bright);
}
.card-glow:hover {
  box-shadow: var(--glow-green);
  border-color: var(--sparc-green-border);
}
.card-gold { box-shadow: var(--shadow-gold); border-color: var(--border-gold); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.card-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ─── Stat Cards ────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-label { font-size: 12px; color: var(--text-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 26px; font-weight: 700; font-family: var(--font-display); color: var(--text-primary); }
.stat-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}
.stat-change.up { background: rgba(0,212,161,0.12); color: var(--sparc-green); }
.stat-change.down { background: rgba(240,62,62,0.12); color: var(--sparc-red); }
.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* ─── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-verra { background: rgba(0, 212, 161, 0.15); color: var(--sparc-green); border: 1px solid var(--border-green); }
.badge-gold { background: rgba(245, 197, 24, 0.15); color: var(--sparc-gold); border: 1px solid var(--border-gold); }
.badge-cdm { background: rgba(79, 142, 247, 0.15); color: var(--sparc-blue); border: 1px solid rgba(79,142,247,0.3); }
.badge-verified { background: rgba(0,212,161,0.1); color: var(--sparc-green); }
.badge-pending { background: rgba(245,197,24,0.1); color: var(--sparc-gold); }
.badge-type { background: rgba(255,255,255,0.06); color: var(--text-secondary); }

/* ─── Project Type Icons ────────────────────────────────────── */
.type-icon { font-size: 20px; }
.type-reforestation { color: #22c55e; }
.type-solar { color: #f59e0b; }
.type-wind { color: #60a5fa; }
.type-blue_carbon { color: #06b6d4; }
.type-methane { color: #a78bfa; }

/* ─── Tables ────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,0.03); }
.data-table tr:hover td { background: var(--bg-card); }
.data-table tr:last-child td { border-bottom: none; }
.t-green { color: var(--sparc-green); font-weight: 600; }
.t-red { color: var(--sparc-red); font-weight: 600; }
.t-gold { color: var(--sparc-gold); font-weight: 600; }
.t-muted { color: var(--text-secondary); }

/* ─── Forms & Inputs ────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.form-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.form-input:focus { border-color: var(--sparc-green); box-shadow: 0 0 0 3px var(--sparc-green-glow); }
.form-input::placeholder { color: var(--text-muted); }
.form-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237a8fa6' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  width: 100%;
}
.form-select:focus { border-color: var(--sparc-green); box-shadow: 0 0 0 3px var(--sparc-green-glow); outline: none; }
.input-group { position: relative; }
.input-prefix {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}
.input-group .form-input { padding-left: 36px; }
.input-suffix {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sparc-green);
  font-size: 12px;
  font-weight: 600;
}

/* ─── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 18px;
  transition: var(--transition);
}
.modal-close:hover { background: var(--bg-card-hover); color: var(--text-primary); }

/* ─── Tabs ───────────────────────────────────────────────────── */
.tabs { display: flex; gap: 4px; background: var(--bg-secondary); border-radius: var(--radius-md); padding: 4px; }
.tab-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { background: var(--bg-card-hover); color: var(--text-primary); font-weight: 600; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Section Layout ────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.container { max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.section-sub { font-size: 15px; color: var(--text-secondary); margin-bottom: 40px; }

/* ─── Grid Layouts ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }

/* ─── Hero Section ──────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.hero::before {
  content: '';
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,161,0.08) 0%, transparent 70%);
  top: -200px;
  left: -200px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,142,247,0.06) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 680px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sparc-green-glow);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sparc-green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--sparc-green), var(--sparc-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc { font-size: 17px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; max-width: 560px; }
.hero-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 32px; }
.hero-stat-item { display: flex; flex-direction: column; gap: 2px; }
.hero-stat-value { font-size: 22px; font-weight: 700; font-family: var(--font-display); color: var(--text-primary); }
.hero-stat-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

/* ─── Market Widget ─────────────────────────────────────────── */
.market-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.mini-chart { height: 80px; position: relative; margin: 16px 0; }
.order-book { display: flex; flex-direction: column; gap: 3px; }
.order-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  position: relative;
  overflow: hidden;
}
.order-row::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; right: 0;
  border-radius: var(--radius-sm);
  opacity: 0.15;
}
.order-row.ask::before { background: var(--sparc-red); }
.order-row.bid::before { background: var(--sparc-green); }
.order-price.ask { color: var(--sparc-red); }
.order-price.bid { color: var(--sparc-green); }

/* ─── Credit Cards ──────────────────────────────────────────── */
.credit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.credit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: var(--transition);
}
.credit-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: rgba(0,212,161,0.2); }
.credit-card:hover::before { opacity: 1; background: linear-gradient(90deg, var(--sparc-green), var(--sparc-blue)); }
.credit-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.credit-project { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.credit-type { font-size: 12px; color: var(--text-secondary); }
.credit-price { font-size: 22px; font-weight: 700; font-family: var(--font-display); color: var(--text-primary); }
.credit-price span { font-size: 12px; color: var(--text-secondary); font-weight: 400; }
.credit-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.credit-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; border-top: 1px solid var(--border); }
.credit-available { font-size: 12px; color: var(--text-secondary); }
.credit-available strong { color: var(--text-primary); }

/* ─── Project Cards ─────────────────────────────────────────── */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: var(--border-green); }
.project-image {
  height: 180px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  position: relative;
}
.project-image .verified-stamp {
  position: absolute;
  top: 12px; right: 12px;
}
.project-body { padding: 20px; }
.project-name { font-size: 15px; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }
.project-location { font-size: 12px; color: var(--text-secondary); margin-bottom: 12px; display: flex; align-items: center; gap: 4px; }
.project-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.project-stat { display: flex; flex-direction: column; gap: 2px; }
.project-stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; }
.project-stat-value { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.sdg-chips { display: flex; gap: 4px; flex-wrap: wrap; }
.sdg-chip {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  background: var(--bg-secondary);
  color: var(--sparc-green);
  border: 1px solid var(--border-green);
}

/* ─── Live Feed ─────────────────────────────────────────────── */
.live-feed { display: flex; flex-direction: column; gap: 2px; max-height: 360px; overflow-y: auto; }
.feed-item {
  display: grid;
  grid-template-columns: 1fr 80px 80px 64px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  transition: var(--transition);
  align-items: center;
}
.feed-item:hover { background: var(--bg-card); }
.feed-item.new { animation: feedFlash 0.5s ease; }
@keyframes feedFlash {
  from { background: rgba(0, 212, 161, 0.1); }
  to { background: transparent; }
}
.feed-buy { color: var(--sparc-green); }
.feed-sell { color: var(--sparc-red); }

/* ─── Chart Container ───────────────────────────────────────── */
.chart-container { position: relative; height: 260px; }
.chart-controls { display: flex; gap: 4px; }
.chart-period {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.chart-period:hover { color: var(--text-primary); }
.chart-period.active { background: var(--sparc-green-glow); color: var(--sparc-green); }

/* ─── Progress Bar ──────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--sparc-green), var(--sparc-blue));
  box-shadow: 0 0 10px var(--sparc-green-glow);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Notification Toast ────────────────────────────────────── */
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 300px;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: toastIn 0.3s ease;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.toast-success { border-left: 3px solid var(--sparc-green); }
.toast-error { border-left: 3px solid var(--sparc-red); }
.toast-info { border-left: 3px solid var(--sparc-blue); }
.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-msg { font-size: 13px; color: var(--text-primary); }
.toast-sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ─── Loading States ────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--sparc-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Filter Bar ────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  margin-bottom: 20px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.filter-chip:hover { border-color: var(--border-green); color: var(--sparc-green); }
.filter-chip.active { background: var(--sparc-green-glow); border-color: var(--border-green); color: var(--sparc-green); }

/* ─── Page Header ───────────────────────────────────────────── */
.page-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.page-title { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.page-sub { font-size: 14px; color: var(--text-secondary); }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--sparc-green); }
.breadcrumb span { color: var(--text-muted); }

/* ─── Dashboard Layout ──────────────────────────────────────── */
.dash-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; min-height: calc(100vh - 64px); }
.dash-sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--glass-border);
  padding: 24px 0;
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  overflow-y: auto;
}
.dash-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.dash-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.dash-nav-link:hover { color: var(--text-primary); background: var(--bg-card-hover); transform: translateX(4px); }
.dash-nav-link.active { color: var(--sparc-green); background: var(--sparc-green-glow); border-right: 2px solid var(--sparc-green); }
.dash-nav-icon { font-size: 16px; width: 20px; text-align: center; }
.dash-main { padding: 24px; }

/* ─── Portfolio Table ───────────────────────────────────────── */
.portfolio-row td:first-child { font-weight: 600; }
.pnl-positive { color: var(--sparc-green); }
.pnl-negative { color: var(--sparc-red); }
.retire-btn { opacity: 0; transition: var(--transition); }
.portfolio-row:hover .retire-btn { opacity: 1; }

/* ─── Auth Page ─────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(ellipse 70% 50% at 20% 50%, rgba(0,212,161,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 80% 50%, rgba(79,142,247,0.05) 0%, transparent 60%),
    var(--bg-primary);
}
.auth-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-bright);
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 100%;
  max-width: 480px;
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), var(--glow-green);
}
.auth-logo { text-align: center; margin-bottom: 32px; }
.auth-title { font-family: var(--font-display); font-size: 24px; font-weight: 700; text-align: center; margin-bottom: 6px; }
.auth-sub { font-size: 14px; color: var(--text-secondary); text-align: center; margin-bottom: 28px; }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--text-muted); font-size: 12px; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: auto;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { max-width: 280px; }
.footer-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin-top: 12px; }
.footer-col-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-link { font-size: 13px; color: var(--text-secondary); transition: var(--transition); }
.footer-link:hover { color: var(--sparc-green); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }
.footer-certifications { display: flex; gap: 12px; }
.cert-logo { display: flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; }

/* ─── Animations ────────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 161, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(0, 212, 161, 0); }
}
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse-green { animation: pulse-green 2s infinite; }
.fade-in { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ─── Number Animation ──────────────────────────────────────── */
.num-change-up { animation: numUp 0.3s ease; }
.num-change-down { animation: numDown 0.3s ease; }
@keyframes numUp { 0% { color: var(--sparc-green); } 100% { color: var(--text-primary); } }
@keyframes numDown { 0% { color: var(--sparc-red); } 100% { color: var(--text-primary); } }

/* ─── Utility Classes ───────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace; }
.text-green { color: var(--sparc-green) !important; }
.text-red { color: var(--sparc-red) !important; }
.text-gold { color: var(--sparc-gold) !important; }
.text-muted { color: var(--text-secondary) !important; }
.text-xs { font-size: 12px; }
.text-sm { font-size: 13px; }
.text-base { font-size: 14px; }
.text-lg { font-size: 16px; }
.text-xl { font-size: 18px; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.green-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--sparc-green); display: inline-block; }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dash-layout { grid-template-columns: 1fr; }
  .dash-sidebar { display: none; }
}
@media (max-width: 768px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-title { font-size: 36px; letter-spacing: -1px; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .auth-card { padding: 24px; }
  .modal { padding: 24px; margin: 10px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
}
@media (max-width: 480px) {
  .container, .container-sm { padding: 0 16px; }
  .btn-lg { padding: 12px 20px; font-size: 14px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}

/* ─── Marketplace Specific ──────────────────────────────────── */
.market-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  padding: 20px 24px;
  max-width: 1440px;
  margin: 0 auto;
}
.buy-panel {
  position: sticky;
  top: 84px;
  height: fit-content;
}
.price-display {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--sparc-green);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.price-change-badge {
  font-size: 14px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Marquee price tag across top */
.market-overview-bar {
  display: flex;
  gap: 24px;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--sparc-green-border) transparent;
}
.market-overview-bar::-webkit-scrollbar { height: 4px; }
.market-overview-bar::-webkit-scrollbar-thumb { background: var(--sparc-green-border); border-radius: 2px; }
.market-overview-item { display: flex; flex-direction: column; gap: 2px; min-width: 120px; }
.market-overview-name { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.market-overview-price { font-size: 15px; font-weight: 700; font-family: var(--font-display); }
.market-overview-change { font-size: 11px; font-weight: 600; }
.moc-up { color: var(--sparc-green); }
.moc-down { color: var(--sparc-red); }