/* ===== TRADER TOOLKIT - SHARED THEME ===== */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;900&display=swap');

:root {
  --bg: #0b0e18;
  --surface: #13172a;
  --card: #1c2138;
  --card2: #222844;
  --accent: #f5a623;
  --accent2: #e8722a;
  --accent3: #4facfe;
  --success: #2dce89;
  --danger: #f53636;
  --text: #eef0f8;
  --muted: #7b82a8;
  --border: #2a3060;
  --radius: 16px;
  --shadow: 0 20px 60px rgba(0,0,0,0.5);
}

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

body {
  font-family: 'Cairo', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 15% 10%, rgba(245,166,35,0.12) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 85%, rgba(79,172,254,0.08) 0%, transparent 45%);
}

/* Back button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 30px;
  transition: all 0.2s;
  margin-bottom: 28px;
}
.back-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Page header */
.page-header {
  text-align: center;
  margin-bottom: 36px;
}
.page-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  display: block;
  filter: drop-shadow(0 0 20px rgba(245,166,35,0.4));
}
.page-title {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-desc {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 6px;
}

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

/* Input group */
.input-group { margin-bottom: 18px; }
.input-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.input-group input, .input-group select {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text);
  font-family: 'Cairo', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
}
.input-group input:focus, .input-group select:focus {
  border-color: var(--accent);
}
.input-group input::placeholder { color: var(--border); font-weight: 400; }

/* Result box */
.result-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}
.result-box.highlight { border-color: var(--accent); }
.result-box .r-label { color: var(--muted); font-size: 0.85rem; font-weight: 600; }
.result-box .r-value { font-size: 1.5rem; font-weight: 900; color: var(--text); }
.result-box .r-value.green { color: var(--success); }
.result-box .r-value.red { color: var(--danger); }
.result-box .r-value.orange { color: var(--accent); }

/* Buttons */
.btn {
  padding: 14px 24px;
  border-radius: 12px;
  font-family: 'Cairo', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-secondary:hover { border-color: var(--danger); color: var(--danger); }

.btn-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.btn-row .btn { flex: 1; }

/* Copy button inline */
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 12px;
  font-size: 0.78rem;
  font-family: 'Cairo', sans-serif;
  font-weight: 600;
  transition: all 0.2s;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--success); color: var(--success); }

/* Divider */
.divider {
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  margin: 14px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--success);
  color: #fff;
  padding: 12px 28px;
  border-radius: 30px;
  font-family: 'Cairo', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
  z-index: 999;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Wrapper */
.wrapper {
  max-width: 500px;
  margin: 0 auto;
  padding: 32px 16px 60px;
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.card { animation: fadeUp 0.4s ease both; }