/* ======================================================================
   OptimumPro Color System - Central Color Management
   ======================================================================
   This file contains all color variables and gradients used throughout
   the OptimumPro application. Update colors here to change them globally.
   ====================================================================== */

:root {
  /* ===== Primary Color Palette ===== */
  --primary-purple: #a158ff;        /* Main purple */
  --primary-dark-purple: #7a2cb3;   /* Dark purple */
  --primary-pink: #f95d9b;          /* Pink accent */
  --primary-orange: #ff8833;        /* Orange accent */
  --primary-light-orange: #ffb95f;  /* Light orange */
  
  /* ===== Text Colors ===== */
  --text-primary: #222222;          /* Main text color */
  --text-heading: #7a2cb3;          /* Heading color */
  --text-white: #ffffff;            /* White text */
  --text-light: rgba(255, 255, 255, 0.9);
  
  /* ===== Background Colors ===== */
  --bg-primary: #ffffff;            /* Main background */
  --bg-light: #faf8ff;             /* Light background */
  --bg-surface: #ffffff;           /* Surface background */
  
  /* ===== Gradient Definitions ===== */
  --gradient-primary: linear-gradient(135deg, #a158ff 0%, #f95d9b 50%, #ff8833 100%);
  --gradient-secondary: linear-gradient(135deg, #7a2cb3 0%, #a158ff 100%);
  --gradient-tertiary: linear-gradient(135deg, #ff8833 0%, #ffb95f 100%);
  --gradient-quaternary: linear-gradient(135deg, #a158ff 0%, #f95d9b 100%);
  
  /* ===== Light Text Gradients ===== */
  --gradient-text-light: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 50%, rgba(255, 255, 255, 0.9) 100%);
  
  /* ===== Button Colors ===== */
  --btn-primary-bg: var(--gradient-secondary);
  --btn-primary-hover: var(--gradient-tertiary);
  --btn-secondary-bg: var(--gradient-primary);
  --btn-border: rgba(255, 255, 255, 0.3);
  --btn-border-hover: rgba(255, 255, 255, 0.6);
  
  /* ===== Form Colors ===== */
  --form-border: rgba(161, 88, 255, 0.3);
  --form-focus: rgba(161, 88, 255, 0.5);
  --form-bg: rgba(255, 255, 255, 0.9);
  
  /* ===== Shadow Colors ===== */
  --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 15px rgba(0, 0, 0, 0.2);
  --shadow-strong: 0 6px 20px rgba(0, 0, 0, 0.3);
  --shadow-purple: 0 4px 15px rgba(161, 88, 255, 0.3);
  
  /* ===== Navigation Colors ===== */
  --nav-color: #ffffff;
  --nav-hover: var(--primary-purple);
  --nav-bg: var(--gradient-secondary);
  
  /* ===== Legacy Support (for backward compatibility) ===== */
  --accent-color: var(--primary-purple);
  --accent-secondary: var(--primary-pink);
  --accent-tertiary: var(--primary-orange);
  --accent-quaternary: var(--primary-light-orange);
  --heading-color: var(--text-heading);
  --default-color: var(--text-primary);
  --background-color: var(--bg-primary);
  --surface-color: var(--bg-surface);
  --contrast-color: var(--text-white);
}

/* ===== Utility Classes ===== */
.gradient-primary { background: var(--gradient-primary); }
.gradient-secondary { background: var(--gradient-secondary); }
.gradient-tertiary { background: var(--gradient-tertiary); }
.gradient-quaternary { background: var(--gradient-quaternary); }

.text-gradient-light {
  background: var(--gradient-text-light);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
  font-weight: 700;
  display: inline-block;
}

.btn-gradient-primary {
  background: var(--btn-primary-bg);
  border: 2px solid var(--btn-border);
  color: var(--text-white);
  border-radius: 50px;
  padding: 14px 40px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-medium);
}

.btn-gradient-primary:hover {
  background: var(--btn-primary-hover);
  border-color: var(--btn-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
  color: var(--text-white);
}

.card-gradient {
  background: var(--gradient-primary);
  border: none;
  border-radius: 15px;
  box-shadow: var(--shadow-medium);
  color: var(--text-white);
}

.form-gradient {
  border: 2px solid var(--form-border);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.form-gradient:focus {
  border-color: var(--form-focus);
  box-shadow: 0 0 0 0.2rem rgba(161, 88, 255, 0.25);
  outline: none;
}

/* ===== Animation Classes ===== */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .btn-gradient-primary {
    padding: 12px 30px;
    font-size: 13px;
  }
}