:root {
  --bg: #0a0e1a;
  --surface: #131826;
  --surface-2: #1b2236;
  --border: #2a3349;
  --text: #e6edf3;
  --text-dim: #8b96a8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-dim: #1e3a8a;
  --danger: #ef4444;
  --warn: #f59e0b;
  --link: #60a5fa;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', 'Heebo', 'Rubik', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
}

html[dir="rtl"] body { font-family: 'Heebo', 'Rubik', var(--font); }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* Header / nav */
header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.25rem; color: var(--primary); display: inline-flex; align-items: center; gap: 8px; }
.brand img { height: 36px; width: auto; display: block; }
.hero-logo { max-width: 240px; width: 100%; height: auto; margin: 0 auto 24px; display: block; }
nav.main { display: flex; gap: 16px; align-items: center; }
nav.main a { color: var(--text-dim); }
nav.main a:hover { color: var(--text); text-decoration: none; }

.lang-toggle {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.lang-toggle:hover { border-color: var(--primary); }

/* Landing */
.hero {
  text-align: center;
  padding: 80px 24px;
}
.hero h1 { font-size: 2.5rem; margin: 0 0 12px; }
.hero p { color: var(--text-dim); font-size: 1.15rem; margin: 0 0 24px; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { background: var(--primary-hover); text-decoration: none; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }

.phases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 40px 0;
}
.phase {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.phase h3 { margin: 0 0 8px; color: var(--primary); }
.phase p { color: var(--text-dim); margin: 0; }

/* Forms */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  max-width: 420px;
  margin: 60px auto;
}
.card h1 { margin: 0 0 24px; font-size: 1.5rem; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 6px; }
.field input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
.field input:focus { outline: none; border-color: var(--primary); }

.error { color: var(--danger); font-size: 0.9rem; margin-top: 10px; min-height: 1.2em; }

/* Stats grid */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.stat .label { color: var(--text-dim); font-size: 0.85rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }
.value.pos { color: #22c55e; }
.value.neg { color: var(--danger); }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
th, td { padding: 10px 12px; text-align: start; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-size: 0.85rem; font-weight: 600; background: var(--surface-2); }
tr:last-child td { border-bottom: none; }
td.num { font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.buy { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge.sell { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge.close { background: rgba(139,150,168,0.15); color: var(--text-dim); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .hero { padding: 50px 16px; }
  th, td { padding: 8px; font-size: 0.85rem; }
}