/* Professional Trading Platform Theme CSS Variables */
:root {
  /* Rich, sophisticated color scheme - enhanced for professional look */
  --body-bg: #f7f9fc;
  --card-bg: #ffffff;
  --text-color: #1e2a3a; /* Darker for better readability */
  --text-muted: #5a6478; /* Slightly darker for better contrast */
  --border-color: #d0d8e6; /* Slightly darker for definition */
  --primary-color: #5d6cc0;
  --secondary-color: #8ce0eb;
  --success-color: #3a8c56; /* Richer green */
  --danger-color: #c23e4b; /* Slightly darker red */
  --warning-color: #d99030; /* Warmer amber */
  --info-color: #4d5db1; /* Deeper blue */
  --shadow-color: rgba(22, 32, 51, 0.15); /* Deeper shadow */
  --header-bg: #1e2a3a; /* Darker for more professional header */
  --footer-bg: #eef0f5;
  --input-bg: #ffffff;
  --input-border: #c6d0e0; /* Slightly darker for better visibility */
  --code-bg: #f2f4f8;
  --nav-link-color: #ffffff;
  --nav-link-hover-color: #8ce0eb;
  --badge-color: #d99030;
  --badge-bg: #fff7e0;
  --trust-green: #3a8c56;
  --trust-blue: #4d5db1;
  --focus-outline: 2px solid #8ce0eb;
  --section-divider: linear-gradient(90deg, #5d6cc0 0%, #8ce0eb 100%);
  --dropdown-bg: #ffffff;
  --dropdown-text: #1e2a3a;
  --dropdown-hover-bg: #f2f4f8;
  --dropdown-border: #c6d0e0;
  --btn-text: #ffffff;
  --primary-color-rgb: 93, 108, 192; /* #5d6cc0 */
  --secondary-color-rgb: 140, 224, 235; /* #8ce0eb */
  --success-color-rgb: 58, 140, 86; /* Updated to match success */
  --danger-color-rgb: 194, 62, 75; /* Updated to match danger */
  --transition: all 0.2s ease;
  
  /* Enhanced accent colors - sophisticated palette */
  --accent-1: #5d6cc0;
  --accent-2: #8ce0eb;
  --accent-3: #e07e99; /* Deeper Rose */
  --accent-4: #f0b15b; /* Richer Amber */
  --accent-5: #59b277; /* Deeper Sage */
  --accent-1-rgb: 77, 93, 177;
  --accent-2-rgb: 122, 208, 219;
  --accent-3-rgb: 224, 126, 153;
  --accent-4-rgb: 240, 177, 91;
  --accent-5-rgb: 89, 178, 119;
  
  /* Font settings */
  --font-primary: 'Poppins', 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, sans-serif;
  --font-heading: var(--font-primary);
  --font-monospace: 'Consolas', 'SF Mono', Monaco, monospace;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-xxl: 24px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-base: 1.6;
  --line-height-heading: 1.3;
}

/* Gradients and effects */
:root {
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-1) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-success: linear-gradient(135deg, #4e9f6a 0%, #69c287 100%);
  --gradient-danger: linear-gradient(135deg, #cf4f5c 0%, #e78ea9 100%);
  --gradient-warning: linear-gradient(135deg, #e0a03f 0%, #fac16b 100%);
  --card-shadow: 0 1px 3px rgba(29, 39, 60, 0.12), 0 1px 2px rgba(29, 39, 60, 0.08);
  --card-shadow-hover: 0 4px 8px rgba(29, 39, 60, 0.15), 0 2px 4px rgba(29, 39, 60, 0.1);
  --input-shadow: inset 0 1px 2px rgba(29, 39, 60, 0.08);
}

/* Apply CSS variables */
body {
  font-size: 17px; /* Increased for readability */
  background: var(--body-bg);
  color: var(--text-color);
  font-family: var(--font-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: var(--theme-transition);
}


/* Card styles */
.card, .feature-card, .market-card, .how-step, .metric-card, .chart-container {
  background-color: var(--card-bg);
  color: var(--text-color);
  border-color: var(--border-color);
  transition: var(--theme-transition);
  box-shadow: 0 2px 10px var(--shadow-color);
}

/* Input styles */
input, select, textarea {
  background-color: var(--input-bg);
  color: var(--text-color);
  border-color: var(--input-border);
  transition: var(--theme-transition);
}

/* Table styles */
table th {
  background-color: var(--header-bg);
  color: var(--text-color);
}

/* Navigation */
.navbar {
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: var(--theme-transition);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar-brand, .nav-link { color: var(--nav-link-color) !important; }
.nav-link:hover, .nav-link:focus { color: var(--nav-link-hover-color) !important; }

/* Section heading style */
.section-heading { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; }
.section-heading.centered { text-align: center; }

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: var(--text-color);
  border-top: 1px solid var(--border-color);
  transition: var(--theme-transition);
}

/* Theme toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--theme-transition);
}

.theme-toggle:hover {
  background-color: var(--primary-color);
  color: white;
}