/* =============================================
   VARIÁVEIS GLOBAIS E RESET
   ============================================= */
:root {
  --spacing: 1.6rem;
  --link-dark-color: #2b113c;
  --link-light-color: #e0e7ff;
  --clr-white: #f8f9ff;
  --clr-black: #0f0e17;
  --clr-light-gray: #f1f0f9;
  --clr-dark-shadow-5: rgba(43, 17, 60, 0.05);
  --clr-dark-shadow-10: rgba(43, 17, 60, 0.10);
  --clr-dark-shadow-20: rgba(43, 17, 60, 0.20);
  --clr-light-shadow-5: rgba(200, 190, 255, 0.05);
  --clr-light-shadow-10: rgba(200, 190, 255, 0.10);
  --clr-light-shadow-20: rgba(200, 190, 255, 0.20);
  --main-page-width: 120rem;
  --table-min-width: 70rem;
  --biggest-font-size: 4.8rem;
  --bigger-font-size: 3.8rem;
  --big-font-size: 3rem;
  --medium-font-size: 2.2rem;
  --small-font-size: 1.6rem;
  --smaller-font-size: 1.4rem;
  --smallest-font-size: 1.25rem;
  --transition-fast: 0.2s;
  --transition-medium: 0.3s;
  --transition-slow: 0.5s;
  --default-border-radius: 12px;
  --hover-scale: 1.03;
  --hover-lift: translateY(-3px);
  /* Verde para detalhes */
  --accent-green: #2e7d32;        /* Verde escuro para modo claro */
  --accent-green-light: #4caf50;  /* Verde mais claro para hover/contraste */
  
  /* Gradientes e backgrounds que precisam ser adaptados no dark mode */
  --header-gradient: linear-gradient(135deg, #7d4b9e 0%, #5a2a7c 100%);
  --body-bg: linear-gradient(135deg, var(--clr-light-gray) 0%, #f9f8ff 100%);
  --table-header-gradient: linear-gradient(90deg, var(--link-dark-color), #5a4b8a);
  --revenue-box-bg: linear-gradient(135deg, rgba(130, 79, 179, 0.05), rgba(215, 230, 239, 0.2));
  
  /* Sombras padrão (roxas) - serão usadas no modo claro */
  --shadow-sm: 0 2px 8px var(--clr-dark-shadow-5);
  --shadow-md: 0 4px 16px var(--clr-dark-shadow-10);
  --shadow-lg: 0 8px 24px var(--clr-dark-shadow-20);
  --shadow-hover: 0 12px 30px var(--clr-dark-shadow-20);
  --shadow-focus: 0 0 0 3px rgba(43, 17, 60, 0.15);
}

/* Tema escuro */
[data-theme="dark"] {
  --link-dark-color: #b39ddb;       /* Roxo claro para links */
  --link-light-color: #2b113c;       /* Roxo escuro para fundos claros invertidos */
  --clr-white: #1e1e2f;              /* Fundo principal escuro */
  --clr-black: #f1f0f9;               /* Texto claro */
  --clr-light-gray: #2d2d44;          /* Fundo secundário */
  --clr-dark-shadow-5: rgba(76, 175, 80, 0.1);   /* verde claro */
  --clr-dark-shadow-10: rgba(76, 175, 80, 0.2);
  --clr-dark-shadow-20: rgba(76, 175, 80, 0.3);
  --clr-light-shadow-5: rgba(0, 0, 0, 0.3);
  --clr-light-shadow-10: rgba(0, 0, 0, 0.4);
  --clr-light-shadow-20: rgba(0, 0, 0, 0.5);
  --accent-green: #4caf50;           /* Verde mais claro para modo escuro */
  --accent-green-light: #81c784;

  --header-gradient: linear-gradient(135deg, #2a1a3a 0%, #1e1028 100%);
  --body-bg: #121212;
  --table-header-gradient: linear-gradient(90deg, #4a2c6d, #2a1a3a);
  --revenue-box-bg: linear-gradient(135deg, rgba(180, 130, 230, 0.1), rgba(100, 80, 150, 0.2));

  /* NOVO: Sombras verdes para o tema escuro */
  --green-shadow-5: rgba(76, 175, 80, 0.2);
  --green-shadow-10: rgba(76, 175, 80, 0.3);
  --green-shadow-20: rgba(76, 175, 80, 0.4);
  
  --shadow-sm: 0 2px 8px var(--green-shadow-5);
  --shadow-md: 0 4px 16px var(--green-shadow-10);
  --shadow-lg: 0 8px 24px var(--green-shadow-20);
  --shadow-hover: 0 12px 30px var(--green-shadow-20);
  --shadow-focus: 0 0 0 3px rgba(76, 175, 80, 0.3);
}

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

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  font-size: var(--small-font-size);
  color: var(--clr-black);
  background: var(--body-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* =============================================
   HEADER (APRIMORADO)
   ============================================= */
.header {
  background: var(--header-gradient);
  padding: calc(var(--spacing) * 1.4);
  box-shadow: 0 8px 25px var(--clr-dark-shadow-20); /* Mantém a sombra original, não precisa mudar */
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-medium) ease, background 0.3s ease;
  border-bottom: 3px solid transparent;
}

/* MODIFICADO: Usar variável de sombra */
.header:hover {
  box-shadow: 0 12px 35px rgba(76, 175, 80, 0.2); /* já está verde, mas vamos manter */
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--main-page-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}

.header-main {
  flex: 1;
}

.header-heading {
  font-size: var(--bigger-font-size);
  margin: 0;
  color: var(--link-light-color);
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Estilização aprimorada do título "Painel PPR" */
.header-link {
  color: var(--link-light-color);
  text-decoration: none;
  transition: all var(--transition-fast) ease;
  display: inline-block;
  position: relative;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.header-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #ffffff, #a78bfa);
  transition: width var(--transition-medium) ease, background 0.2s ease;
  border-radius: 2px;
}

.header-link:hover {
  transform: scale(var(--hover-scale));
  text-shadow: 2px 2px 12px rgba(76, 175, 80, 0.5);
}

.header-link:hover::after {
  width: 100%;
  background: linear-gradient(90deg, #ffffff, var(--accent-green));
}

.header-subtitle {
  font-size: var(--smaller-font-size);
  color: rgba(224, 231, 255, 0.85);
  margin-top: 0.4rem;
  opacity: 0.9;
  transition: color 0.2s ease;
}

.header-subtitle:hover {
  color: var(--accent-green-light);
}

/* Navegação de autenticação */
.auth-nav {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing) * 1.2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-info {
  color: var(--link-light-color);
  font-size: var(--smaller-font-size);
  white-space: nowrap;
}

.user-info strong {
  font-weight: 600;
  color: white;
}

.logout-form {
  margin: 0;
}

/* Botão de alternância de tema */
#theme-toggle {
  background: transparent;
  border: 1px solid var(--link-light-color);
  color: var(--link-light-color);
  padding: 0.5rem 1rem;
  border-radius: var(--default-border-radius);
  cursor: pointer;
  transition: all var(--transition-fast) ease;
  font-size: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#theme-toggle:hover {
  background: var(--link-light-color);
  color: var(--link-dark-color);
  border-color: var(--accent-green);
}

/* Tema escuro: ícone claro e borda roxa clara */
[data-theme="dark"] #theme-toggle {
  border-color: var(--link-dark-color);  /* roxo claro */
  color: var(--link-dark-color);
}

[data-theme="dark"] #theme-toggle:hover {
  background: var(--link-dark-color);
  color: var(--clr-black);  /* texto escuro para contraste */
  border-color: var(--accent-green);
}

/* =============================================
   BOTÕES (base e variantes)
   ============================================= */
.btn {
  background: var(--link-dark-color);
  color: var(--clr-white);
  font-weight: 600;
  padding: 0.9rem 1.8rem;
  border: none;
  border-radius: var(--default-border-radius);
  cursor: pointer;
  transition: all var(--transition-medium) cubic-bezier(0.4, 0, 0.2, 1);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: inline-block;
  text-align: center;
  line-height: 1.2;
  font-size: var(--small-font-size);
}

.btn:hover {
  background: #3c1e50;
  transform: var(--hover-lift);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-hover);
}

.btn:active {
  transform: translateY(0);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
  outline: 2px solid var(--link-light-color);
  outline-offset: 2px;
}

/* Variações de cor */
.btn-admin {
  background: #5a4b8a;
}
.btn-users {
  background: #6b5aa5;
}
.btn-logout {
  background: rgba(255, 80, 80, 0.85);
}
.btn-logout:hover {
  background: #ff4d4d;
}
.btn-primary {
  background-color: var(--link-dark-color);
}
.btn-secondary {
  background-color: var(--clr-light-gray);
  color: var(--link-dark-color);
  border: 1px solid var(--link-dark-color);
}
.btn-secondary:hover {
  background-color: var(--link-dark-color);
  color: var(--clr-white);
}
.btn-success {
  background-color: var(--accent-green);
}
.btn-success:hover {
  background-color: #1b5e20;
}
.btn-delete {
  background: tomato;
}
.btn-link {
  background: transparent;
  color: var(--link-dark-color);
  box-shadow: none;
  padding: 0.5rem 1rem;
}
.btn-link:hover {
  background: rgba(43, 17, 60, 0.05);
  transform: translateY(-2px);
  box-shadow: none;
  color: var(--accent-green);
}
.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--link-dark-color);
  color: var(--link-dark-color);
}
.btn-outline-primary:hover {
  background: var(--link-dark-color);
  color: var(--clr-white);
}
.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--link-light-color);
  color: var(--link-light-color);
}
.btn-outline-secondary:hover {
  background: var(--link-light-color);
  color: var(--link-dark-color);
  border-color: var(--accent-green);
}
.btn-outline-success {
  background: transparent;
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}
.btn-outline-success:hover {
  background: var(--accent-green);
  color: white;
}

/* Botões de login/signup (usados no header) */
.btn-login,
.btn-signup {
  background: var(--link-light-color);
  color: var(--link-dark-color);
  font-weight: bold;
}
.btn-login:hover,
.btn-signup:hover {
  background: white;
  color: var(--link-dark-color);
  border-color: var(--accent-green);
}

/* =============================================
   CONTEÚDO PRINCIPAL E LAYOUT
   ============================================= */
.centered-content {
  max-width: 110rem;
  margin: calc(var(--spacing) * 3) auto;
  padding: 0 var(--spacing);
  text-align: center;
}

.content {
  max-width: var(--main-page-width);
  margin: calc(var(--spacing) * 2) auto;
  padding: var(--spacing);
  background: var(--clr-white);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-md);
  border-radius: var(--default-border-radius);
  transition: box-shadow var(--transition-medium) ease;
}

.content:hover {
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-hover);
}

.page-title {
  color: var(--link-dark-color);
  font-weight: bold;
  margin-bottom: calc(var(--spacing) * 1.5);
  text-align: center;
  font-size: var(--big-font-size);
  position: relative;
  display: inline-block;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}
.page-title:hover {
  border-bottom-color: var(--accent-green);
}

/* Utilitários de texto e espaçamento */
.text-center {
  text-align: center;
}
.mt-3 {
  margin-top: calc(var(--spacing) * 1);
}
.mb-4 {
  margin-bottom: calc(var(--spacing) * 1.5);
}
.mt-4 {
  margin-top: calc(var(--spacing) * 1.5);
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
.responsive-table {
  width: 100%;
  overflow-x: auto;
}

/* =============================================
   TABELAS (base e variantes)
   ============================================= */
.contacts-table,
.participation-table,
.results-table,
.edit-times-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.8rem;
  background: transparent;
  margin: var(--spacing) 0;
}

/* Cabeçalhos */
.contacts-table thead,
.participation-table thead,
.results-table thead,
.edit-times-table .table-header {
  background: var(--table-header-gradient);
  color: white;
  border-radius: var(--default-border-radius) var(--default-border-radius) 0 0;
}

.table-header,
.contacts-table th,
.participation-table th,
.results-table th,
.edit-times-table th {
  padding: 1.4rem 1.6rem;
  text-align: left;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: white;
}

/* Células comuns */
.table-cel,
.contacts-table td,
.participation-table td,
.results-table td,
.edit-times-table td {
  padding: 1.2rem 1.6rem;
  background: var(--clr-white);
  color: var(--link-dark-color);
  border-radius: 0;
  transition: all var(--transition-medium) ease;
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-sm);
}

/* Linhas alternadas */
.table-row:nth-of-type(2n) .table-cel {
  background: var(--clr-light-gray);
}

/* Hover na linha inteira */
.table-row:hover .table-cel,
.results-table tbody tr:hover td,
.participation-table tbody tr:hover td,
.contacts-table tbody tr:hover td,
.edit-times-table tbody tr:hover td {
  background: rgba(108, 57, 171, 0.05);
  transform: translateY(-3px);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-hover);
}

/* Estilo para primeira posição no ranking */
.first-place .table-cel:first-child {
  background: rgba(255, 215, 0, 0.15);
  position: relative;
}
.first-place .table-cel:first-child::after {
  margin-left: 0.5rem;
  font-size: 1.2em;
}

/* Células especiais */
.position-cell {
  font-weight: bold;
  text-align: center;
}
.team-name {
  font-weight: 600;
}
.delete-cell {
  color: tomato;
  text-align: center;
}
.updated-cell .new-indicator {
  font-style: italic;
  opacity: 0.85;
}

/* Linha vazia */
.empty-row td {
  padding: calc(var(--spacing) * 1.5);
  font-style: italic;
  color: #666;
  background: var(--clr-light-shadow-5);
  text-align: center;
}

/* Tabela especial (última linha destacada) */
.special-table tbody tr:last-child .table-cel {
  background: rgba(200, 200, 255, 0.08);
  border: 2px dashed var(--link-dark-color);
}

/* Links dentro de tabelas */
.table-link {
  color: var(--link-dark-color);
  text-decoration: none;
  transition: all var(--transition-fast) ease;
  border-bottom: 1px solid transparent;
}
.table-link:hover {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

/* Inputs e selects dentro de células de edição */
.table-cel input,
.table-cel select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--link-dark-color);
  border-radius: var(--default-border-radius);
  font-size: var(--small-font-size);
  background: white;
  transition: all var(--transition-fast) ease;
}
.table-cel input:focus,
.table-cel select:focus {
  outline: none;
  border-color: var(--accent-green);
  /* MODIFICADO: Usar variável de sombra (verde) */
  box-shadow: var(--shadow-focus);
}
.table-cel input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}
.table-cel input[type="number"]::-webkit-outer-spin-button,
.table-cel input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* =============================================
   FORMULÁRIOS (geral e específicos)
   ============================================= */
.form-wrapper {
  max-width: 60rem;
  margin: var(--spacing) auto;
}

.form-content {
  margin: var(--spacing) 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  padding-bottom: var(--spacing);
  text-align: left;
}

.form-group label {
  font-size: var(--smaller-font-size);
  font-weight: 600;
  color: var(--link-dark-color);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 1rem;
  border-radius: var(--default-border-radius);
  border: 1px solid var(--link-dark-color);
  font-size: var(--small-font-size);
  transition: all var(--transition-fast) ease;
  background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-green);
  /* MODIFICADO: Usar variável de sombra (verde) */
  box-shadow: var(--shadow-focus);
  transform: scale(1.01);
}

.form-text {
  font-size: var(--smallest-font-size);
  color: #666;
  margin-top: 0.3rem;
}
.form-text.text-danger {
  color: tomato;
}

.form-help-text {
  font-size: var(--smaller-font-size);
  color: var(--link-dark-color);
  opacity: 0.85;
  margin: calc(var(--spacing) * 0.8) 0;
  font-style: italic;
  text-align: center;
}

.form-actions {
  text-align: center;
  margin-top: calc(var(--spacing) * 1.5);
}

/* Login e Signup específicos */
.login-form,
.signup-form {
  max-width: 40rem;
  margin: 0 auto;
  background: var(--clr-white);
  padding: calc(var(--spacing) * 1.5);
  border-radius: var(--default-border-radius);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-md);
}

.input-group {
  position: relative;
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-group input {
  flex: 1 1 auto;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn-outline-secondary {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border: 1px solid var(--link-dark-color);
  border-left: none;
  padding: 0 1rem;
  background: white;
  color: var(--link-dark-color);
  box-shadow: none;
}
.input-group .btn-outline-secondary:hover {
  background: var(--clr-light-gray);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.password-group .toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--link-dark-color);
  cursor: pointer;
  padding: 0 0.8rem;
  z-index: 2;
}
.password-group .toggle-password:hover {
  color: var(--accent-green);
}

.auth-links {
  margin-top: calc(var(--spacing) * 1.5);
  font-size: var(--smaller-font-size);
  color: var(--link-dark-color);
}
.auth-links a {
  color: var(--link-dark-color);
  font-weight: bold;
  text-decoration: underline;
}
.auth-links a:hover {
  color: var(--accent-green);
}

/* =============================================
   MENSAGENS (alertas e feedback)
   ============================================= */
.message-container {
  margin-bottom: calc(var(--spacing) * 1.5);
}

.message {
  max-width: 600px;
  margin: var(--spacing) auto;
  padding: var(--spacing);
  text-align: center;
  border-radius: var(--default-border-radius);
  font-size: var(--smaller-font-size);
  transition: all var(--transition-medium) ease;
  animation: slideIn 0.3s ease;
  border-left-width: 6px;
  border-left-style: solid;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.success {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid var(--accent-green);
  border-left-color: var(--accent-green);
  color: #1b5e20;
}
.message.error {
  background: rgba(255, 80, 80, 0.15);
  border: 1px solid #c62828;
  border-left-color: #c62828;
  color: #b71c1c;
}
.message.warning {
  background: rgba(255, 193, 7, 0.15);
  border: 1px solid #ff8f00;
  border-left-color: #ff8f00;
  color: #b26500;
}

.alert {
  padding: var(--spacing);
  border-radius: var(--default-border-radius);
  margin-bottom: var(--spacing);
  text-align: center;
}
.alert-info {
  background: rgba(43, 17, 60, 0.08);
  border: 1px solid var(--link-dark-color);
  color: var(--link-dark-color);
}

/* =============================================
   BADGES
   ============================================= */
.badge {
  display: inline-block;
  font-size: 0.85rem;
  padding: 0.4em 0.8em;
  border-radius: 2rem;
  background: var(--link-light-color);
  color: var(--link-dark-color);
  transition: all var(--transition-fast) ease;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
}
.badge:hover {
  transform: scale(1.1);
  background: var(--link-dark-color);
  color: white;
}

.badge.bg-success {
  background: var(--accent-green);
  color: white;
}
.badge.bg-danger {
  background: #c62828;
  color: white;
}
.badge.bg-info {
  background: #0288d1;
  color: white;
}
.badge.bg-warning {
  background: #ff8f00;
  color: black;
}

/* =============================================
   CAIXA DE RECEITA (revenue)
   ============================================= */
.revenue-box,
.small-total-box,
.alert.mb-4[role="alert"] {
  max-width: 40rem;
  margin: calc(var(--spacing) * 1.5) auto;
  padding: calc(var(--spacing) * 1.2);
  background: var(--revenue-box-bg);
  border: 1px solid var(--link-dark-color);
  border-radius: var(--default-border-radius);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium) ease;
  text-align: center;
  color: var(--link-dark-color);
}
.revenue-box:hover,
.small-total-box:hover,
.alert.mb-4[role="alert"]:hover {
  transform: translateY(-4px);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-green);
}
.revenue-value {
  font-size: var(--bigger-font-size);
  font-weight: bold;
  color: var(--link-dark-color);
  line-height: 1.2;
}
.revenue-box strong,
.small-total-box strong,
.alert.mb-4[role="alert"] strong {
  display: block;
  font-size: var(--smaller-font-size);
  margin-bottom: 0.4rem;
}

/* =============================================
   PAGINAÇÃO
   ============================================= */
.pagination {
  margin-top: var(--spacing);
  display: flex;
  justify-content: center;
  padding: calc(var(--spacing) * 0.8);
  font-size: var(--small-font-size);
}
.pagination .step-links {
  display: flex;
  gap: calc(var(--spacing) * 0.8);
}
.pagination .step-links a {
  color: var(--link-dark-color);
  transition: all var(--transition-fast) ease;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--default-border-radius);
  background: var(--clr-white);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-sm);
}
.pagination .step-links a:hover {
  background: var(--link-dark-color);
  color: white;
  transform: translateY(-2px);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--accent-green);
}

/* =============================================
   BUSCA
   ============================================= */
.search {
  display: flex;
  justify-content: center;
  margin: var(--spacing) 0;
}
.search-input {
  font-size: var(--medium-font-size);
  padding: 1rem 2rem;
  width: 100%;
  max-width: 40rem;
  border-radius: var(--default-border-radius);
  border: 1px solid var(--link-light-color);
  transition: all var(--transition-fast) ease;
}
.search-input:focus {
  /* MODIFICADO: Usar variável de sombra (verde) */
  box-shadow: var(--shadow-focus);
  border-color: var(--accent-green);
  transform: scale(1.02);
  outline: none;
}

/* =============================================
   MENU DE LINKS (sprints e ganho percentual)
   ============================================= */
.menu-links {
  margin: calc(var(--spacing) * 2) auto;
  padding: calc(var(--spacing) * 1.5);
  background: var(--clr-white);
  border-radius: var(--default-border-radius);
  /* MODIFICADO: Usar variável de sombra */
  box-shadow: var(--shadow-md);
  max-width: 60rem;
}
.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: calc(var(--spacing) * 1.5);
  margin: 0;
}
.contact-links .btn {
  min-width: 18rem;
}
.contact-links .btn:hover {
  border-color: var(--accent-green);
}

/* =============================================
   BOTÕES DE AÇÃO (linhas de botões)
   ============================================= */
.buttons-row {
  display: flex;
  justify-content: center;
  gap: calc(var(--spacing) * 1.5);
  margin-top: calc(var(--spacing) * 2);
  flex-wrap: wrap;
}

/* =============================================
   RESPONSIVIDADE
   ============================================= */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing);
  }
  .auth-nav {
    justify-content: center;
    width: 100%;
  }
  .btn {
    width: 100%;
    max-width: 30rem;
  }
  .table-cel,
  .table-header,
  .contacts-table th,
  .contacts-table td,
  .participation-table th,
  .participation-table td,
  .results-table th,
  .results-table td,
  .edit-times-table th,
  .edit-times-table td {
    padding: 1rem;
    font-size: var(--smaller-font-size);
  }
  .contact-links {
    flex-direction: column;
    gap: var(--spacing);
  }
  .contact-links .btn {
    min-width: 100%;
  }
  .page-title {
    font-size: var(--medium-font-size);
  }
}