/* ============================================
   MODERN AUTH - 100% SPORTS
   Paleta de Cores Oficial
   ============================================ */

:root {
  /* Cores Primárias */
  --primary: #71653f;
  --primary-hover: #8a7d50;
  --primary-light: #a39870;
  --dark: #1A1A1A;
  --gray-dark: #333333;
  --gray-medium: #666666;
  --gray-light: #F5F5F5;

  /* Estados */
  --success: #84ab32;
  --warning: #F59E0B;
  --error: #960000;
  --info: #666666;

  /* Tipografia */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

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

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-xl: 0px;
  --radius-full: 0px;

  /* Transições */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
  box-sizing: border-box;
}

.modern-auth-container {
  font-family: var(--font-body);
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */

.modern-auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: var(--spacing-lg) var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

/* Background Pattern */
.modern-auth-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(113, 101, 63, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(132, 171, 50, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.modern-auth-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 560px;
  width: 100%;
  position: relative;
  z-index: 1;
  overflow: hidden;
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   HEADER DO CARD
   ============================================ */

.modern-auth-header {
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
  text-align: center;
  background: linear-gradient(to bottom, var(--gray-light) 0%, white 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modern-auth-logo {
  max-width: 180px;
  height: auto;
  margin-bottom: var(--spacing-md);
  animation: fadeIn 0.8s ease-out 0.2s both;
}

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

.modern-auth-title {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 var(--spacing-xs);
  letter-spacing: -0.025em;
}

.modern-auth-subtitle {
  font-size: 0.9375rem;
  color: var(--gray-medium);
  margin: 0;
  font-weight: 400;
}

/* ============================================
   PROGRESS INDICATOR
   ============================================ */

.progress-indicator {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-lg) 0;
  position: relative;
}

.progress-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  height: 2px;
  background: var(--gray-light);
  transform: translateY(-50%);
  z-index: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.progress-step-circle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: white;
  border: 2px solid var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-medium);
  transition: all var(--transition-base);
  margin-bottom: var(--spacing-xs);
}

.progress-step.active .progress-step-circle {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 0 0 4px rgba(113, 101, 63, 0.1);
}

.progress-step.completed .progress-step-circle {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.progress-step-label {
  font-size: 0.75rem;
  color: var(--gray-medium);
  text-align: center;
  font-weight: 500;
}

.progress-step.active .progress-step-label {
  color: var(--primary);
  font-weight: 600;
}

/* ============================================
   FORM STYLES
   ============================================ */

.modern-auth-body {
  padding: var(--spacing-lg);
}

.form-step {
  display: none;
  animation: fadeInStep 0.4s ease-out;
}

.form-step.active {
  display: block;
}

@keyframes fadeInStep {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
}

.form-label-required::after {
  content: '*';
  color: var(--error);
  margin-left: 4px;
}

.form-control-modern {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--gray-light);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
}

.form-control-modern:hover {
  background: #ebebeb;
}

.form-control-modern:focus {
  background: white;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(113, 101, 63, 0.1);
}

.form-control-modern.is-invalid {
  border-color: var(--error);
  background: rgba(150, 0, 0, 0.03);
}

.form-control-modern.is-valid {
  border-color: var(--success);
  background: rgba(132, 171, 50, 0.03);
}

.form-select-modern {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23333' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px 12px;
  padding-right: 3rem;
}

.invalid-feedback {
  display: none;
  font-size: 0.8125rem;
  color: var(--error);
  margin-top: var(--spacing-xs);
  animation: shake 0.4s ease-in-out;
}

.form-control-modern.is-invalid ~ .invalid-feedback {
  display: block;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.valid-feedback {
  display: none;
  font-size: 0.8125rem;
  color: var(--success);
  margin-top: var(--spacing-xs);
}

.form-control-modern.is-valid ~ .valid-feedback {
  display: block;
}

/* Input Icons */
.input-group-modern {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-medium);
  pointer-events: none;
  transition: color var(--transition-base);
}

.input-group-modern .form-control-modern {
  padding-left: 2.75rem;
}

.input-group-modern .form-control-modern:focus ~ .input-icon {
  color: var(--primary);
}

/* ============================================
   CHECKBOX & RADIO
   ============================================ */

.form-check-modern {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
  padding-left: 0;
}

.form-check-input-modern {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-right: var(--spacing-sm);
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  background: white;
  cursor: pointer;
  transition: all var(--transition-base);
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-check-input-modern:hover {
  border-color: var(--primary-light);
}

.form-check-input-modern:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.form-check-input-modern:checked::after {
  content: '✓';
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.form-check-label-modern {
  font-size: 0.875rem;
  color: var(--gray-dark);
  cursor: pointer;
  user-select: none;
  line-height: 1.5;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-modern:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary-modern {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary-modern:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary-modern:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary-modern {
  background: var(--gray-light);
  color: var(--gray-dark);
}

.btn-secondary-modern:hover:not(:disabled) {
  background: #e0e0e0;
}

.btn-success-modern {
  background: var(--success);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-success-modern:hover:not(:disabled) {
  background: #75992b;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn-group-modern {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

/* Button Loading State */
.btn-modern .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 0px;
  animation: spin 0.6s linear infinite;
  margin-right: var(--spacing-xs);
}

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

.btn-modern.loading .spinner {
  display: inline-block;
}

.btn-modern.loading .btn-text {
  opacity: 0.7;
}

/* ============================================
   ALERTS & MESSAGES
   ============================================ */

.alert-modern {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert-modern-icon {
  font-size: 1.25rem;
  margin-right: var(--spacing-sm);
  flex-shrink: 0;
}

.alert-modern-content {
  flex: 1;
}

.alert-modern-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 0.9375rem;
}

.alert-modern-message {
  font-size: 0.875rem;
  margin: 0;
}

.alert-success-modern {
  background: rgba(132, 171, 50, 0.1);
  border: 1px solid rgba(132, 171, 50, 0.3);
  color: var(--success);
}

.alert-error-modern {
  background: rgba(150, 0, 0, 0.05);
  border: 1px solid rgba(150, 0, 0, 0.2);
  color: var(--error);
}

.alert-info-modern {
  background: rgba(102, 102, 102, 0.05);
  border: 1px solid rgba(102, 102, 102, 0.2);
  color: var(--info);
}

/* ============================================
   FOOTER DO CARD
   ============================================ */

.modern-auth-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--gray-light);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  text-align: center;
}

.modern-auth-footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gray-medium);
}

.modern-auth-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-base);
}

.modern-auth-footer a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ============================================
   ROW & GRID SYSTEM
   ============================================ */

.form-row {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.form-col-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .modern-auth-wrapper {
    padding: var(--spacing-sm);
  }

  .modern-auth-card {
    border-radius: var(--radius-lg);
  }

  .modern-auth-header {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  }

  .modern-auth-title {
    font-size: 1.5rem;
  }

  .modern-auth-body {
    padding: var(--spacing-md);
  }

  .progress-indicator {
    padding: var(--spacing-md) var(--spacing-md) 0;
  }

  .progress-step-label {
    font-size: 0.6875rem;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

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

  .form-col-2 {
    grid-template-columns: 1fr;
  }

  .btn-group-modern {
    flex-direction: column;
  }
}

/* ============================================
   UTILITIES
   ============================================ */

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

.text-primary {
  color: var(--primary) !important;
}

.text-muted {
  color: var(--gray-medium) !important;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }

.d-none {
  display: none !important;
}

.d-block {
  display: block !important;
}

.d-flex {
  display: flex !important;
}