/* Import Variables */
@import './variables.css';

/* Universal Box Sizing & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, svg {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section Common */
.section {
  padding: 60px 0;
  position: relative;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-32);
  gap: var(--space-16);
  flex-wrap: wrap;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-navy);
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  margin-top: var(--space-8);
  max-width: 600px;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 12px 24px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary-gradient);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: none;
  box-shadow: 0 8px 24px rgba(5, 170, 68, 0.35);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--color-navy-light);
  transform: none;
}

.btn-secondary:active {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--color-navy);
}

.btn-ghost:hover {
  background: var(--color-bg-subtle);
  color: var(--color-primary);
}

.btn-flat {
  background: var(--color-bg-subtle);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}

.btn-flat:hover {
  background: #e9eff5;
  border-color: #cbd5e1;
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-size-md);
  border-radius: var(--radius-full);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-green {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid rgba(5, 170, 68, 0.2);
}

.badge-gold {
  background: var(--color-gold-light);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-blue {
  background: var(--color-blue-light);
  color: #1e40af;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-danger {
  background: var(--color-danger-light);
  color: #991b1b;
}

/* Card Surface */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(5, 170, 68, 0.3);
}

/* Custom Range Input */
.range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: var(--radius-full);
  background: #e2e8f0;
  outline: none;
  cursor: pointer;
  position: relative;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(5, 170, 68, 0.4);
  border: 3px solid #ffffff;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(5, 170, 68, 0.4);
  border: 3px solid #ffffff;
  cursor: pointer;
}

/* Form Input Control */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.input-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-navy);
}

.input-control {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-bg-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  font-size: var(--font-size-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.input-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
  background: #ffffff;
}

.input-control::placeholder {
  color: var(--color-text-muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(5, 170, 68, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(5, 170, 68, 0); }
}

.animate-fade {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.pulse-action {
  animation: pulseGlow 2.5s infinite;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}