/* ==========================================================================
   COUPONSSPHERE - Core Design System & Global Styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* --- Root Color Palette & Theme Tokens --- */
:root {
  /* Brand Colors */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: rgba(79, 70, 229, 0.08);
  
  --brand-orange: #ff5722;
  --brand-orange-hover: #e64a19;
  --brand-orange-light: rgba(255, 87, 34, 0.1);
  
  --brand-green: #10b981;
  --brand-green-hover: #059669;
  --brand-green-light: rgba(16, 185, 129, 0.1);
  
  --brand-blue: #0284c7;
  --dark-navy: #0f172a;
  --dark-navy-card: #1e293b;
  
  /* Theme Variables (Light Default) */
  --bg-main: #f8fafc;
  --bg-header: #ffffff;
  --bg-card: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-input: #f8fafc;
  
  --text-main: #0f172a;
  --text-heading: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  
  --border-light: #e2e8f0;
  --border-active: #4f46e5;
  
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-header: #111827;
  --bg-card: #1f2937;
  --bg-surface: #111827;
  --bg-input: #1f2937;
  
  --text-main: #f9fafb;
  --text-heading: #ffffff;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --border-light: #374151;
  --border-active: #6366f1;
  
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Custom Buttons */
.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
  border: none;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background-color: var(--border-light);
}

.btn-accent {
  background-color: var(--brand-orange);
  color: #ffffff;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(255, 87, 34, 0.25);
}

.btn-accent:hover {
  background-color: var(--brand-orange-hover);
  transform: translateY(-1px);
}

/* Page Header Banner for subpages */
.page-banner {
  background: linear-gradient(135deg, var(--dark-navy) 0%, #1e1b4b 100%);
  color: #ffffff;
  padding: 4rem 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner h1 {
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-banner p {
  color: #94a3b8;
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Toast Container & Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--brand-green);
  color: #ffffff;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}