/* Modern eNPS Survey Design System */
/* Color Palette Variables */
:root {
  --deep-rust: #CA5247;
  --warm-gold: #DCA14A;
  --soft-sand: #F9E3AE;
  --muted-sage: #95957C;
  --slate-gray: #3C4752;

  /* Gradient Combinations */
  --gradient-primary: linear-gradient(135deg, var(--deep-rust) 0%, var(--warm-gold) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--muted-sage) 0%, var(--slate-gray) 100%);
  --gradient-success: linear-gradient(135deg, var(--muted-sage) 0%, #7a9471 100%);
  --gradient-warning: linear-gradient(135deg, var(--warm-gold) 0%, #e6b84a 100%);
  --gradient-danger: linear-gradient(135deg, var(--deep-rust) 0%, #b8453a 100%);
  --gradient-info: linear-gradient(135deg, #5bc0de 0%, #46b8da 100%);
  --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  --gradient-dark: linear-gradient(135deg, var(--slate-gray) 0%, #2c3e50 100%);
  --gradient-accent: linear-gradient(135deg, var(--soft-sand) 0%, var(--warm-gold) 100%);
  --gradient-hero: linear-gradient(135deg, var(--slate-gray) 0%, var(--deep-rust) 50%, var(--warm-gold) 100%);
  --gradient-card: linear-gradient(145deg, rgba(249, 227, 174, 0.1) 0%, rgba(220, 161, 74, 0.1) 100%);

  /* Shadows */
  --shadow-soft: 0 4px 20px rgba(60, 71, 82, 0.1);
  --shadow-medium: 0 8px 30px rgba(60, 71, 82, 0.15);
  --shadow-strong: 0 12px 40px rgba(60, 71, 82, 0.2);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

/* Base Styles */
html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--slate-gray);
  background: linear-gradient(135deg, #f8f9fa 0%, rgba(249, 227, 174, 0.3) 100%);
  margin: 0;
}

/* Focus States */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--warm-gold);
}

/* Modern Button System */
.btn {
  border-radius: 12px;
  font-weight: var(--font-weight-medium);
  padding: 0.75rem 1.5rem;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  border: 2px solid var(--deep-rust) !important;
  color: var(--deep-rust);
  background: transparent;
  box-shadow: var(--shadow-soft);
}

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

/* Special styling for primary buttons in hero sections */
.hero-background .btn-primary {
  border: 2px solid white !important;
  color: white;
  background: transparent;
}

.hero-background .btn-primary:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--gradient-primary);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: white;
  box-shadow: var(--shadow-soft);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, #7a7a68 0%, #2c3e50 100%);
}

.btn-success {
  background: var(--gradient-success);
  color: white;
  box-shadow: var(--shadow-soft);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, #7a7a68 0%, #6b8560 100%);
}

.btn-warning {
  background: var(--gradient-warning);
  color: white;
  box-shadow: var(--shadow-soft);
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, #c8943d 0%, #d4a441 100%);
}

.btn-danger {
  border: 2px solid var(--deep-rust);
  color: var(--deep-rust);
  background: transparent;
  box-shadow: var(--shadow-soft);
}

.btn-danger:hover {
  background: var(--gradient-danger);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-info {
  background: var(--gradient-info);
  color: white;
  box-shadow: var(--shadow-soft);
}

.btn-info:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, #4aa3c2 0%, #3ea6c7 100%);
}

.btn-light {
  background: var(--gradient-light);
  color: var(--slate-gray);
  box-shadow: var(--shadow-soft);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
  color: var(--slate-gray);
}

.btn-dark {
  background: var(--gradient-dark);
  color: white;
  box-shadow: var(--shadow-soft);
}

.btn-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
}

.btn-outline-primary {
  border: 2px solid var(--deep-rust);
  color: var(--deep-rust);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-secondary {
  border: 2px solid var(--muted-sage);
  color: var(--muted-sage);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: var(--gradient-secondary);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-success {
  border: 2px solid var(--muted-sage);
  color: var(--muted-sage);
  background: transparent;
}

.btn-outline-success:hover {
  background: var(--gradient-success);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-warning {
  border: 2px solid var(--warm-gold);
  color: var(--warm-gold);
  background: transparent;
}

.btn-outline-warning:hover {
  background: var(--gradient-warning);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-danger {
  border: 2px solid var(--deep-rust);
  color: var(--deep-rust);
  background: transparent;
}

.btn-outline-danger:hover {
  background: var(--gradient-danger);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-info {
  border: 2px solid #5bc0de;
  color: #5bc0de;
  background: transparent;
}

.btn-outline-info:hover {
  background: var(--gradient-info);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-light {
  border: 2px solid #f8f9fa;
  color: #f8f9fa;
  background: transparent;
}

.btn-outline-light:hover {
  background: var(--gradient-light);
  color: var(--slate-gray);
  transform: translateY(-2px);
}

.btn-outline-dark {
  border: 2px solid var(--slate-gray);
  color: var(--slate-gray);
  background: transparent;
}

.btn-outline-dark:hover {
  background: var(--gradient-dark);
  color: white;
  transform: translateY(-2px);
}

/* Modern Card System */
.card {
  border: none;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.card-header {
  background: var(--gradient-card);
  border-bottom: 1px solid rgba(149, 149, 124, 0.1);
  padding: 1.5rem;
  border-radius: 20px 20px 0 0;
}

.card-body {
  padding: 1.5rem;
}

/* eNPS Survey Styles */
.enps-btn {
  min-width: 45px;
  margin: 3px;
  border-radius: 50px;
  border: 2px solid var(--soft-sand);
  background: white;
  color: var(--slate-gray);
  font-weight: var(--font-weight-semibold);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.enps-btn:hover {
  transform: scale(1.1);
  border-color: var(--warm-gold);
  background: var(--gradient-accent);
  color: var(--slate-gray);
}

.enps-btn:checked,
.enps-btn.active {
  background: var(--gradient-primary);
  border-color: var(--deep-rust);
  color: white;
  transform: scale(1.05);
}

.enps-scale {
  text-align: center;
  padding: 2rem 1rem;
}

@media (max-width: 576px) {
  .enps-btn {
    min-width: 35px;
    font-size: 0.9rem;
    margin: 2px;
  }
}

/* eNPS Explanation Styles */
.enps-explanation {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(248, 249, 250, 0.6);
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.enps-category {
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  text-align: center;
  min-width: 100px;
  flex: 1;
  max-width: 120px;
}

.enps-category.detractor {
  background: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.2);
}

.enps-category.passive {
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.2);
}

.enps-category.promoter {
  background: rgba(25, 135, 84, 0.1);
  border: 1px solid rgba(25, 135, 84, 0.2);
}

.category-label {
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.category-label i {
  opacity: 0.8;
}

.enps-category.detractor .category-label {
  color: var(--deep-rust);
}

.enps-category.passive .category-label {
  color: var(--warm-gold);
}

.enps-category.promoter .category-label {
  color: var(--muted-sage);
}

.category-range {
  font-size: 1rem;
  font-weight: bold;
}

@media (max-width: 576px) {
  .enps-explanation {
    padding: 0.5rem;
  }

  .enps-category {
    padding: 0.4rem 0.5rem;
    min-width: 80px;
    max-width: 90px;
  }

  .category-label {
    font-size: 0.7rem;
  }

  .category-range {
    font-size: 0.9rem;
  }
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  color: var(--slate-gray);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2rem;
}

.display-4 {
  font-size: 3.5rem;
  font-weight: var(--font-weight-bold);
  color: white;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.lead {
  font-size: 1.25rem;
  font-weight: var(--font-weight-light);
  color: var(--muted-sage);
}

/* Navigation Styles */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(149, 149, 124, 0.1) !important;
  box-shadow: var(--shadow-soft);
  padding: 1rem 0;
  z-index: 9999 !important;
}

.navbar-brand {
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--slate-gray) !important;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: var(--gradient-card);
  color: var(--deep-rust) !important;
}

/* Ensure fixed navigation always stays on top */
.navbar.fixed-top {
  z-index: 10000 !important;
}

/* Ensure all content stays below the fixed navigation */
.card, .card-header, .card-body {
  position: relative;
  z-index: 1;
}

/* Dropdown menus should be above cards but below navbar */
.dropdown-menu {
  z-index: 1050 !important;
}

.dropdown {
  z-index: 1040 !important;
}

/* Form Controls */
.form-control {
  border-radius: 12px;
  border: 2px solid rgba(149, 149, 124, 0.2);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
  border-color: var(--warm-gold);
  box-shadow: 0 0 0 0.2rem rgba(220, 161, 74, 0.25);
  background: white;
}

/* Alert System */
.alert {
  border: none;
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.alert-info {
  background: linear-gradient(135deg, rgba(149, 149, 124, 0.1) 0%, rgba(60, 71, 82, 0.1) 100%);
  color: var(--slate-gray);
}

.alert-info::before {
  background: var(--gradient-secondary);
}

.alert-warning {
  background: linear-gradient(135deg, rgba(220, 161, 74, 0.1) 0%, rgba(202, 82, 71, 0.1) 100%);
  color: var(--deep-rust);
}

.alert-warning::before {
  background: var(--gradient-primary);
}

.alert-success {
  background: linear-gradient(135deg, rgba(149, 149, 124, 0.1) 0%, rgba(121, 148, 113, 0.1) 100%);
  color: var(--muted-sage);
}

/* Badge System */
.badge {
  border-radius: 20px;
  padding: 0.5rem 1rem;
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
}

.bg-success {
  background: linear-gradient(135deg, var(--muted-sage) 0%, #7a9471 100%) !important;
}

.bg-secondary {
  background: var(--gradient-secondary) !important;
}

/* Table Styles */
.table {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.table th {
  background: var(--gradient-card);
  border: none;
  font-weight: var(--font-weight-semibold);
  color: var(--slate-gray);
  padding: 1rem;
}

.table td {
  border: none;
  padding: 1rem;
  border-bottom: 1px solid rgba(149, 149, 124, 0.1);
}

.table-hover tbody tr:hover {
  background: var(--gradient-card);
}

/* Dropdown Styles */
.dropdown-menu {
  border: none;
  border-radius: 12px;
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 0.5rem;
}

.dropdown-item {
  border-radius: 8px;
  margin: 0.25rem 0;
  padding: 0.5rem 1rem;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background: var(--gradient-card);
  color: var(--deep-rust);
}

.dropdown-item.active {
  background: var(--gradient-primary);
  color: white;
}

/* Vector-Style Abstract Shapes */
.hero-background {
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-background > * {
  position: relative;
  z-index: 10;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(249, 227, 174, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
  z-index: 1;
}

.hero-background::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(220, 161, 74, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
  z-index: 1;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* Decorative Elements */
.section-divider {
  position: relative;
  height: 100px;
  background: linear-gradient(135deg, var(--soft-sand) 0%, rgba(249, 227, 174, 0.3) 100%);
  overflow: hidden;
}

.section-divider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23CA5247' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Card Enhancements */
.stats-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(249, 227, 174, 0.1) 100%);
  border: 1px solid rgba(220, 161, 74, 0.2);
  position: relative;
  overflow: hidden;
}

.stats-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(202, 82, 71, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.stats-card .card-body {
  position: relative;
  z-index: 1;
}

/* Survey Card Enhancements */
.survey-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.survey-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(220, 161, 74, 0.1), transparent);
  transition: left 0.6s;
}

.survey-card:hover::before {
  left: 100%;
}

.survey-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-strong);
}

.survey-card .btn {
  pointer-events: none;
  transition: all 0.3s ease;
}

.survey-card:hover .btn {
  transform: scale(1.05);
}

/* Footer Styles */
.footer {
  background: var(--gradient-secondary);
  color: white;
  padding: 2rem 0;
  margin-top: auto;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.footer::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(149, 149, 124, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.footer a {
  color: var(--soft-sand);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--warm-gold);
}

/* Ensure minimum viewport height for sticky footer */
.min-vh-100 {
  min-height: 100vh !important;
}

/* Flexbox utilities for sticky footer layout */
.d-flex {
  display: flex !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-grow-1 {
  flex-grow: 1 !important;
}

/* Ensure main content pushes footer below viewport */
main[role="main"] {
  min-height: calc(100vh - 100px); /* Account for navbar height */
  padding-bottom: 3rem; /* Add space before footer */
}

/* For pages with minimal content, ensure footer is pushed down */
.container-fluid main[role="main"] {
  min-height: calc(100vh - 120px); /* Account for navbar and padding */
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .hero-background {
    min-height: 30vh;
    padding: 1.5rem 1rem;
  }

  .display-4 {
    font-size: 2.5rem;
  }

  .card {
    margin-bottom: 1.5rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
  }
}

/* Loading Animation */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Utility Classes */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: var(--font-weight-bold);
  /* Fallback for browsers that don't support background-clip */
  color: var(--deep-rust);
}

/* Ensure gradient text is visible in all browsers */
@supports (-webkit-background-clip: text) {
  .gradient-text {
    color: transparent;
  }
}

.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
  transition: transform 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
}