/* ================================================
   Acordes Pro - Design System
   Sistema de design moderno e vibrante
   ================================================ */

/* === CSS Variables (Design Tokens) === */
:root {
  /* Cores Principais - Baseadas na Logo */
  --color-orange: #FFA500;
  --color-orange-dark: #FF8C00;
  --color-orange-light: #FFB84D;
  --color-golden: #FFD700;
  --color-dark-orange: #CC7000;
  --color-accent: #FFAA33;

  /* Cores de Fundo - Tons Escuros */
  --color-bg-primary: #0A0A0F;
  --color-bg-secondary: #13131A;
  --color-bg-tertiary: #1C1C24;
  --color-bg-card: rgba(255, 107, 53, 0.05);

  /* Cores de Texto */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B8B8D1;
  --color-text-muted: #7A7A95;

  /* Gradientes - Tons Dourados da Logo */
  --gradient-primary: linear-gradient(135deg, var(--color-orange) 0%, var(--color-dark-orange) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-golden) 0%, var(--color-orange) 100%);
  --gradient-tertiary: linear-gradient(135deg, var(--color-accent) 0%, var(--color-orange-dark) 100%);

  /* Sombras - Com brilho dourado */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow-orange: 0 0 30px rgba(255, 165, 0, 0.4);
  --shadow-glow-golden: 0 0 40px rgba(255, 215, 0, 0.3);

  /* Espaçamento */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Tipografia */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', var(--font-primary);

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transições */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* === Reset & Base === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

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 {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--color-orange-light);
}

/* === Container & Layout === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

/* === Grid System === */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-orange);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

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

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

.btn-outline:hover {
  background: var(--color-orange);
  color: var(--color-bg-primary);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
}

.btn-accent:hover {
  background: var(--color-orange-light);
  box-shadow: var(--shadow-glow-orange);
  transform: translateY(-2px);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* === Cards === */
.card {
  background: var(--color-bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 107, 53, 0.4);
}

.card-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* === Forms === */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* === Badges & Tags === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-orange {
  background: var(--color-orange);
  color: white;
}

.badge-accent {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

.badge-bronze {
  background: var(--color-bronze);
  color: white;
}

/* === Navigation === */
.navbar {
  background: rgba(15, 15, 30, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-fast);
}

.navbar-logo:hover {
  transform: scale(1.05);
}

.navbar-logo img {
  height: 45px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(255, 165, 0, 0.3));
}

.navbar-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.navbar-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-orange);
}

/* === Footer === */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

/* === Utility Classes === */
.text-center {
  text-align: center;
}

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

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

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

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

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

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

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

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

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-1 {
  gap: var(--spacing-sm);
}

.gap-2 {
  gap: var(--spacing-md);
}

.gap-3 {
  gap: var(--spacing-lg);
}

/* === Animations === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* === Responsive === */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .navbar-menu {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }
}

/* === Loading States === */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-orange);
  animation: spin 1s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg,
      var(--color-bg-tertiary) 25%,
      var(--color-bg-secondary) 50%,
      var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}