:root {
  --color-primary: #00e5ff;
  --color-primary-dark: #00b8d4;
  --color-primary-glow: rgba(0, 229, 255, 0.25);
  --color-accent: #7c4dff;
  --color-accent-glow: rgba(124, 77, 255, 0.2);
  --color-success: #00e676;
  --color-success-glow: rgba(0, 230, 118, 0.15);
  --color-warning: #ffab00;
  --color-warning-glow: rgba(255, 171, 0, 0.15);
  --color-danger: #ff1744;
  --color-surface: #0d1117;
  --color-surface-raised: #161b22;
  --color-surface-overlay: #1c2333;
  --color-ink: #e6edf3;
  --color-muted: #7d8590;
  --color-border: rgba(0, 229, 255, 0.12);
  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-sm: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.08);
  --shadow-glow-strong: 0 0 30px rgba(0, 229, 255, 0.15), 0 0 60px rgba(0, 229, 255, 0.05);
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.5rem;
  --spacing-6: 2rem;
  --font-sans: "Manrope", "Segoe UI", sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background-color: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
  text-shadow: 0 0 8px var(--color-primary-glow);
}

.container-fluid {
  width: 100%;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.justify-content-center {
  justify-content: center;
}

.align-items-center {
  align-items: center;
}

.d-flex {
  display: flex;
}

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

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

.col-md-6,
.col-lg-4,
.col-xl-10,
.col-xxl-8 {
  flex: 0 0 100%;
  max-width: 100%;
}

@media (min-width: 768px) {
  .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 992px) {
  .col-lg-4 {
    flex: 0 0 33.3333%;
    max-width: 33.3333%;
  }
}

@media (min-width: 1200px) {
  .col-xl-10 {
    flex: 0 0 83.3333%;
    max-width: 83.3333%;
  }
}

@media (min-width: 1400px) {
  .col-xxl-8 {
    flex: 0 0 66.6667%;
    max-width: 66.6667%;
  }
}

.v3-main {
  width: 100%;
}

.card {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  border-color: rgba(0, 229, 255, 0.25);
  box-shadow: var(--shadow-glow);
}

.card-body {
  padding: var(--spacing-5);
}

.border-0 {
  border: none;
}

.border-dark {
  border-color: rgba(0, 229, 255, 0.2);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.rounded-circle {
  border-radius: 999px;
}

.rounded-0 {
  border-radius: 0;
}

.bg-white {
  background-color: var(--color-surface-raised);
}

.bg-opacity-25 {
  background-color: rgba(255, 255, 255, 0.04);
}

.accent-card-blue {
  background: linear-gradient(135deg, #0d47a1, #00e5ff);
  box-shadow: var(--shadow-glow-strong);
}

.text-white {
  color: #ffffff;
}

.text-center {
  text-align: center;
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.opacity-75 {
  opacity: 0.75;
}

.small {
  font-size: 0.85rem;
}

.h3 {
  font-size: 1.75rem;
  margin: 0;
}

.fw-bold {
  font-weight: 700;
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
}

.form-control,
.form-select,
textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface-overlay);
  color: var(--color-ink);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder,
textarea::placeholder {
  color: var(--color-muted);
}

.form-control:focus,
.form-select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow), 0 0 15px var(--color-primary-glow);
}

.form-group {
  margin-bottom: var(--spacing-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--color-ink);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #0d1117;
  font-weight: 700;
  border: none;
  text-shadow: none;
}

.btn-primary:hover {
  box-shadow: 0 0 20px var(--color-primary-glow), 0 0 40px var(--color-accent-glow);
  transform: translateY(-1px);
}

.btn-outline-success {
  border-color: var(--color-success);
  color: var(--color-success);
}

.btn-outline-success:hover {
  background: var(--color-success-glow);
  box-shadow: 0 0 15px var(--color-success-glow);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

.alert {
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface-overlay);
  color: var(--color-ink);
  border: 1px solid var(--color-border-subtle);
}

.alert-success {
  background: rgba(0, 230, 118, 0.08);
  color: var(--color-success);
  border-color: rgba(0, 230, 118, 0.2);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.05);
}

.alert-warning {
  background: rgba(255, 171, 0, 0.08);
  color: var(--color-warning);
  border-color: rgba(255, 171, 0, 0.2);
  box-shadow: 0 0 15px rgba(255, 171, 0, 0.05);
}

.d-grid {
  display: grid;
}

.no-gutters {
  gap: 0;
}

.p-2 {
  padding: var(--spacing-2);
}

.px-2 {
  padding-left: var(--spacing-2);
  padding-right: var(--spacing-2);
}

.px-3 {
  padding-left: var(--spacing-3);
  padding-right: var(--spacing-3);
}

.py-3 {
  padding-top: var(--spacing-3);
  padding-bottom: var(--spacing-3);
}

.py-4 {
  padding-top: var(--spacing-4);
  padding-bottom: var(--spacing-4);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-3 {
  margin-bottom: var(--spacing-4);
}

.mt-3 {
  margin-top: var(--spacing-4);
}

.me-3 {
  margin-right: var(--spacing-4);
}

@media (min-width: 992px) {
  .px-lg-0 {
    padding-left: 0;
    padding-right: 0;
  }

  .px-lg-4 {
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }

  .py-lg-4 {
    padding-top: var(--spacing-4);
    padding-bottom: var(--spacing-4);
  }
}