/* ============================================================
   Raqueti — Design System Global
   Plataforma de gerenciamento de torneios de esportes de raquete
   ============================================================ */

/* Seção: Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=DM+Sans:wght@400;500;600&display=swap');


/* ============================================================
   Seção: Reset Moderno
   ============================================================ */

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ol,
ul {
  list-style: none;
}

table {
  border-collapse: collapse;
}


/* ============================================================
   Seção: Variáveis CSS Globais
   ============================================================ */

:root {
  /* Cores */
  --color-primary:      #0A1628;
  --color-accent:       #1A73E8;
  --color-accent-light: #4FC3F7;
  --color-surface:      #111B2E;
  --color-border:       #1E2D45;
  --color-text:         #F0F4F8;
  --color-text-muted:   #8A9BB0;
  --color-success:      #00C896;
  --color-warning:      #F5A623;
  --color-danger:       #E53935;

  /* Tipografia */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-full: 999px;

  /* Sombras (usando cor primária, não preto) */
  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.4);
  --shadow-md: 0 8px 24px rgba(10, 22, 40, 0.6);
  --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.8);

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

  /* Layout */
  --sidebar-width:      240px;
  --header-height:      64px;
  --bottom-nav-height:  60px;

  /* Espaçamentos */
  --spacing-xs:  4px;
  --spacing-sm:  8px;
  --spacing-md:  16px;
  --spacing-lg:  24px;
  --spacing-xl:  40px;
  --spacing-2xl: 64px;
}


/* ============================================================
   Seção: Base
   ============================================================ */

body {
  background-color: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
}

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

button {
  cursor: pointer;
}


/* ============================================================
   Seção: Layout Base
   ============================================================ */

.app-container {
  display: flex;
  flex-direction: row;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  z-index: 100;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
}

/* Conteúdo principal */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  padding-top: var(--header-height);
}

/* Cabeçalho de página */
.page-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 50;
}

/* Navegação inferior (mobile) */
.bottom-nav {
  display: none;
}

/* Responsividade: mobile */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .main-content {
    margin-left: 0;
    padding-bottom: var(--bottom-nav-height);
  }

  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    z-index: 100;
    justify-content: space-around;
    align-items: center;
  }
}


/* ============================================================
   Seção: Sidebar — Navegação
   ============================================================ */

.nav-logo {
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.nav-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--transition-fast), background var(--transition-fast), border-left-color var(--transition-fast);
  border-left: 3px solid transparent;
}

.nav-item:hover {
  color: var(--color-text);
  background: rgba(26, 115, 232, 0.08);
}

.nav-item.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: rgba(26, 115, 232, 0.1);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}


/* ============================================================
   Seção: Botões
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variantes */
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: #1557B0;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.4);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

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

.btn-ghost:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-success {
  background: var(--color-success);
  color: #fff;
}

/* Tamanhos */
.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 17px;
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}


/* ============================================================
   Seção: Card
   ============================================================ */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}


/* ============================================================
   Seção: Badge
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-success {
  background: rgba(0, 200, 150, 0.15);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 166, 35, 0.15);
  color: var(--color-warning);
}

.badge-danger {
  background: rgba(229, 57, 53, 0.15);
  color: var(--color-danger);
}

.badge-accent {
  background: rgba(26, 115, 232, 0.15);
  color: var(--color-accent-light);
}

.badge-muted {
  background: rgba(138, 155, 176, 0.15);
  color: var(--color-text-muted);
}


/* ============================================================
   Seção: Avatar
   ============================================================ */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-border);
  overflow: hidden;
  flex-shrink: 0;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-md {
  width: 40px;
  height: 40px;
}

.avatar-lg {
  width: 56px;
  height: 56px;
}

.avatar-xl {
  width: 80px;
  height: 80px;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


/* ============================================================
   Seção: Formulários
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--spacing-md);
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  background: rgba(26, 115, 232, 0.05);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.form-input::placeholder,
.form-select::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

/* Select: cor de opção no sistema */
.form-select option {
  background: var(--color-surface);
  color: var(--color-text);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 13px;
  color: var(--color-danger);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-hint {
  font-size: 13px;
  color: var(--color-text-muted);
}


/* ============================================================
   Seção: Modal
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  padding: var(--spacing-md);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition-base);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}


/* ============================================================
   Seção: Feed / Posts
   ============================================================ */

.post-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.post-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.post-author {
  font-weight: 600;
  font-size: 15px;
}

.post-time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.post-content {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.post-image {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  max-height: 400px;
  object-fit: cover;
}

.post-actions {
  display: flex;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.post-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: color var(--transition-fast), background var(--transition-fast);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.post-action-btn:hover {
  color: var(--color-accent);
  background: rgba(26, 115, 232, 0.08);
}

.post-system {
  border-left: 3px solid var(--color-accent);
  background: rgba(26, 115, 232, 0.05);
}


/* ============================================================
   Seção: Bracket / Chaves de Torneio
   ============================================================ */

.bracket-container {
  overflow-x: auto;
  padding: var(--spacing-lg);
}

.bracket {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  min-width: max-content;
}

.bracket-round {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
}

.bracket-round-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-align: center;
}

.bracket-match {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  position: relative;
}

.bracket-player {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.bracket-player:last-child {
  border-bottom: none;
}

.bracket-player.winner {
  background: rgba(0, 200, 150, 0.1);
  color: var(--color-success);
  font-weight: 600;
}

.bracket-connector {
  width: 24px;
  height: 2px;
  background: var(--color-border);
  flex-shrink: 0;
}


/* ============================================================
   Seção: Stats / Números
   ============================================================ */

.stat-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  text-align: center;
}


/* ============================================================
   Seção: Divisor "ou"
   ============================================================ */

.divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}


/* ============================================================
   Seção: Loading / Skeleton
   ============================================================ */

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }
  to {
    background-position: -200% 0;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 25%,
    rgba(30, 45, 69, 0.8) 50%,
    var(--color-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-text {
  height: 16px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-avatar {
  border-radius: 50%;
}


/* ============================================================
   Seção: Animações de Entrada
   ============================================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 300ms ease forwards;
}

.animate-slide-up {
  animation: slideUp 300ms ease forwards;
}

.animate-slide-up-delay-1 {
  animation: slideUp 300ms ease forwards;
  animation-delay: 100ms;
  opacity: 0;
}

.animate-slide-up-delay-2 {
  animation: slideUp 300ms ease forwards;
  animation-delay: 200ms;
  opacity: 0;
}

.animate-slide-up-delay-3 {
  animation: slideUp 300ms ease forwards;
  animation-delay: 300ms;
  opacity: 0;
}


/* ============================================================
   Seção: Spinner
   ============================================================ */

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

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}


/* ============================================================
   Seção: Tabs
   ============================================================ */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  gap: 4px;
}

.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 15px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition-fast), border-bottom-color var(--transition-fast);
}

.tab-btn.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.tab-btn:hover {
  color: var(--color-text);
}


/* ============================================================
   Seção: Progress Bar
   ============================================================ */

.progress-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}


/* ============================================================
   Seção: Botões de Login Social
   ============================================================ */

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  color: #1F1F1F;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: box-shadow var(--transition-fast);
  margin-bottom: 12px;
}

.social-btn:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.social-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}


/* ============================================================
   Seção: Card de Torneio (listagem pública)
   ============================================================ */

.tournament-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.tournament-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tournament-card-cover {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.tournament-card-cover-placeholder {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--color-border), var(--color-surface));
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.tournament-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.tournament-card-meta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-sm);
}


/* ============================================================
   Seção: Cards de Onboarding (seleção de perfil/modalidade)
   ============================================================ */

.onboarding-card {
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
  text-align: center;
}

.onboarding-card:hover {
  border-color: var(--color-accent);
  background: rgba(26, 115, 232, 0.08);
}

.onboarding-card.selected {
  border-color: var(--color-accent);
  background: rgba(26, 115, 232, 0.1);
  box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.15);
}

.onboarding-card svg {
  width: 48px;
  height: 48px;
  color: var(--color-accent-light);
}

.onboarding-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
}


/* ============================================================
   Seção: Utilitários Gerais
   ============================================================ */

/* Container centralizado */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Flexbox */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Gap */
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Cores de texto */
.text-muted   { color: var(--color-text-muted); }
.text-accent  { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger  { color: var(--color-danger); }

/* Fonte display */
.font-display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Margens */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Visibilidade */
.hidden { display: none; }

/* Acessibilidade */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Truncamento de texto */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Grids responsivos */
.grid-2 {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Breakpoint tablet → desktop: ajustes adicionais */
@media (max-width: 1200px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}