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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
    min-height: 100vh;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container Principal */
.checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
}

/* Layout de Duas Colunas */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

/* Coluna do Formulário */
.checkout-form-column {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.checkout-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid #e2e8f0;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 20px;
}

.checkout-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

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

.checkout-header h1 {
    color: #0f172a;
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.checkout-header p {
    color: #64748b;
    font-size: 16px;
    font-weight: 400;
    margin: 0;
}

/* Stepper Visual Compacto */
.checkout-stepper-compact {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.stepper-item-compact {
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.stepper-number-compact {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #f1f5f9;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s ease;
    border: 1.5px solid transparent;
    flex-shrink: 0;
}

.stepper-item-compact.active .stepper-number-compact {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.stepper-item-compact.completed .stepper-number-compact {
    background-color: #10b981;
    color: transparent;
    border-color: #10b981;
    position: relative;
}

.stepper-item-compact.completed .stepper-number-compact::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 5px;
    border-left: 2.5px solid white;
    border-bottom: 2.5px solid white;
    transform: rotate(-45deg);
    top: 45%;
    left: 50%;
    margin-top: -3px;
    margin-left: -4px;
}

.stepper-label-compact {
    font-size: 13px;
    color: #94a3b8;
    font-weight: 500;
    white-space: nowrap;
}

.stepper-item-compact.active .stepper-label-compact {
    color: #3b82f6;
    font-weight: 600;
}

.stepper-item-compact.completed .stepper-label-compact {
    color: #10b981;
}

.stepper-line-compact {
    width: 20px;
    height: 2px;
    background-color: #e2e8f0;
    flex-shrink: 0;
}

.stepper-line-compact.completed {
    background-color: #10b981;
}

/* Steps do Formulário */
.form-step {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

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

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

.step-header {
    margin-bottom: 28px;
}

.step-icon {
    display: none;
}

.step-header h2 {
    color: #0f172a;
    font-size: 24px;
    margin-bottom: 8px;
    padding: 0;
    border: none;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.step-description {
    color: #64748b;
    font-size: 16px;
    margin: 0;
    font-weight: 400;
}

/* Grupos de Formulário */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #334155;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.15s ease;
    background-color: #ffffff;
    color: #0f172a;
    font-family: inherit;
    line-height: 1.5;
}

.form-group input:hover {
    border-color: #94a3b8;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: #ffffff;
}

/* Select Customizado */
.form-group select {
    width: 100%;
    padding: 14px 38px 14px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.15s ease;
    background-color: #ffffff;
    color: #0f172a;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 14px;
    cursor: pointer;
    line-height: 1.5;
}

.form-group select:hover {
    border-color: #94a3b8;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%233b82f6' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%233b82f6' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.form-group select:disabled {
    background-color: #f1f5f9;
    color: #94a3b8;
    cursor: not-allowed;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.form-group select option {
    padding: 10px;
    background-color: #ffffff;
    color: #0f172a;
}

.form-group select option:hover {
    background-color: #f8fafc;
}

.form-group select.error {
    border-color: #ef4444 !important;
    background-color: #fef2f2;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ef4444' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.form-group input::placeholder {
    color: #94a3b8;
}

.form-group input.error,
.form-group select.error {
    border-color: #ef4444 !important;
    background-color: #fef2f2;
}

.field-error {
    display: block;
    color: #dc2626;
    font-size: 14px;
    margin-top: 8px;
    font-weight: 500;
}

.step-error-message {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: #dc2626;
    font-size: 15px;
    margin-bottom: 24px;
    animation: slideDown 0.2s ease;
}

.step-error-message .error-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-row .form-group {
    margin-bottom: 18px;
}

/* Botões */
.step-footer {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}

.btn-next,
.btn-submit {
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn-next::before,
.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.btn-next:active::before,
.btn-submit:active::before {
    width: 300px;
    height: 300px;
}

.btn-next:hover,
.btn-submit:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.btn-next:active,
.btn-submit:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-next:focus,
.btn-submit:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* Efeito de loading no botão */
.btn-next.loading,
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.9;
}

.btn-next.loading .btn-arrow,
.btn-submit.loading .btn-arrow {
    display: none;
}

.btn-next.loading::after,
.btn-submit.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Efeito de sucesso no botão */
.btn-next.success,
.btn-submit.success {
    background-color: #10b981;
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.btn-next.success .btn-arrow,
.btn-submit.success .btn-arrow {
    display: none;
}

.btn-next.success::after,
.btn-submit.success::after {
    content: '✓';
    position: absolute;
    font-size: 18px;
    font-weight: 700;
    animation: checkmark 0.4s ease;
}

@keyframes checkmark {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}

.btn-next:disabled,
.btn-submit:disabled {
    background-color: #cbd5e1;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-back-step {
    background-color: #ffffff;
    color: #475569;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    letter-spacing: -0.01em;
}

.btn-back-step:hover {
    background-color: #f8fafc;
    border-color: #94a3b8;
    color: #334155;
}

.btn-arrow {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-left: 6px;
    transition: transform 0.2s ease;
    display: inline-block;
    vertical-align: middle;
}

.btn-next-fixed .btn-arrow,
.btn-submit-fixed .btn-arrow {
    width: 18px;
    height: 18px;
    margin-left: 6px;
}

.btn-next-fixed:hover .btn-arrow,
.btn-submit-fixed:hover .btn-arrow {
    transform: translateX(2px);
}

.btn-icon {
    font-size: 16px;
    line-height: 1;
}

/* Métodos de Pagamento */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.payment-option {
    display: flex;
    align-items: center;
    padding: 20px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
    background-color: #ffffff;
}

/* Borda azul apenas no hover (quando não está selecionado) */
.payment-option:hover:not(.selected) {
    border-color: #3b82f6;
    background-color: #f8fafc;
}

/* Manter borda e background quando selecionado (mesmo estilo do hover) */
.payment-option.selected {
    border-color: #3b82f6 !important;
    background-color: #f8fafc !important;
}

/* Hover na opção selecionada também mantém o estilo */
.payment-option.selected:hover {
    border-color: #3b82f6 !important;
    background-color: #f8fafc !important;
}

/* Fallback para navegadores que suportam :has() */
.payment-option:has(input[type="radio"]:checked):not(.selected) {
    border-color: #3b82f6;
    background-color: #f8fafc;
}

.payment-option input[type="radio"] {
    width: auto;
    margin-right: 12px;
    cursor: pointer;
}

.payment-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-right: 16px;
    flex-shrink: 0;
    color: #64748b;
    transition: color 0.15s ease;
}

.payment-option:hover .payment-icon {
    color: #3b82f6;
}

.payment-option input[type="radio"]:checked ~ .payment-icon {
    color: #3b82f6;
}

.payment-option input[type="radio"]:checked ~ .payment-label {
    color: #3b82f6;
}

.payment-option input[type="radio"]:checked ~ .payment-label strong {
    color: #1e40af;
}

.payment-label {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.payment-label strong {
    font-size: 18px;
    margin-bottom: 6px;
    font-weight: 600;
}

.payment-label small {
    color: #6b7280;
    font-size: 15px;
}

.payment-fields {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 2px solid #f3f4f6;
}

.payment-single-installment {
    margin-top: 8px;
    margin-bottom: 0;
}

.installment-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #10b981;
    border-radius: 8px;
    color: #065f46;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.1);
}

.installment-badge svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: #10b981;
}

/* Layout de Pagamento com Cartão */
.card-payment-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    align-items: start;
}

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

.card-form-column .form-group {
    margin-bottom: 20px;
}

.card-form-column .form-row {
    margin-bottom: 20px;
}

.card-preview-column {
    position: sticky;
    top: 32px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* Prévia do Cartão */
.card-preview {
    margin-bottom: 0;
    perspective: 1000px;
    width: 100%;
}

.card-front {
    width: 100%;
    max-width: 320px;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 20px;
    color: white;
    position: relative;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    margin: 0;
}

.card-front.visa {
    background: linear-gradient(135deg, #1a1f71 0%, #192587 100%);
}

.card-front.mastercard {
    background: linear-gradient(135deg, #eb001b 0%, #f79e1b 100%);
}

.card-front.amex {
    background: linear-gradient(135deg, #006fcf 0%, #012169 100%);
}

.card-front.discover {
    background: linear-gradient(135deg, #ff6000 0%, #ffa500 100%);
}

.card-front.diners {
    background: linear-gradient(135deg, #0079be 0%, #003d82 100%);
}

.card-chip {
    width: 40px;
    height: 30px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-radius: 5px;
    margin-bottom: 20px;
    position: relative;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-chip::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.card-number-preview {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    font-family: 'Courier New', monospace;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.card-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: auto;
}

.card-name-preview {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-expiry-preview {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.8px;
    margin-left: 12px;
}

.card-brand {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    opacity: 0.9;
    text-transform: uppercase;
}

.payment-info {
    color: #475569;
    font-size: 16px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 3px solid #3b82f6;
    line-height: 1.6;
}

/* Coluna do Resumo */
.checkout-summary-column {
    position: relative;
}

.summary-card {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.summary-card.sticky {
    position: sticky;
    top: 32px;
    margin-bottom: 100px; /* Espaço para a barra fixa não sobrepor o conteúdo */
}

.summary-card h2 {
    color: #0f172a;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e2e8f0;
    letter-spacing: -0.01em;
}

.summary-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #e2e8f0;
}

.summary-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.summary-section h3 {
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 10px 0;
}

.summary-item.service-type {
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 0;
    border: 1px solid #e2e8f0;
}

.summary-label {
    color: #64748b;
    font-size: 14px;
    font-weight: 500;
}

.summary-item.service-type .summary-label {
    color: #475569;
    font-weight: 600;
    font-size: 14px;
}

.summary-value {
    color: #0f172a;
    font-weight: 600;
    font-size: 14px;
}

.summary-item.service-type .summary-value {
    color: #1e293b;
    font-weight: 600;
    font-size: 14px;
}

.service-item {
    background: #f8fafc;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1px solid #e2e8f0;
}

.service-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.service-header strong {
    color: #0f172a;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.4;
    display: block;
}

.service-details {
    margin-bottom: 16px;
}

.service-details p {
    color: #1e293b;
    font-size: 16px;
    margin-bottom: 10px;
    line-height: 1.6;
    font-weight: 500;
}

.service-details small {
    color: #64748b;
    font-size: 14px;
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    gap: 6px;
}

.service-details small::before {
    content: '';
}

.service-passengers {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.passenger-summary {
    background-color: #ffffff;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    color: #334155;
    border: 1px solid #e2e8f0;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.passenger-summary strong {
    color: #1e40af;
    font-weight: 600;
    font-size: 15px;
}

.summary-totals {
    margin-top: 24px;
    padding-top: 0;
    border-top: none;
}

.total-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 15px;
    color: #64748b;
    font-weight: 500;
    padding: 6px 0;
}

.total-line.total-final {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
    font-size: 20px;
    font-weight: 700;
}

.total-line.total-final span {
    color: #0f172a;
    font-size: 24px;
    letter-spacing: -0.02em;
    font-weight: 700;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #e5e7eb;
    border-top-color: #1e40af;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-spinner p {
    color: #374151;
    font-size: 16px;
    font-weight: 500;
}

/* Modal de Erro */
.error-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.error-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.error-modal-content {
    position: relative;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.error-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 24px 16px;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

.error-modal-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.error-modal-header h2 {
    flex: 1;
    color: #0f172a;
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.01em;
}

.error-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #64748b;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.error-modal-close:hover {
    background-color: #f1f5f9;
    color: #0f172a;
}

.error-modal-body {
    padding: 24px;
}

.error-modal-body p {
    color: #475569;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.error-modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 24px 24px;
    border-top: 1px solid #e2e8f0;
    justify-content: flex-end;
}

.btn-modal-primary,
.btn-modal-secondary {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    letter-spacing: -0.01em;
}

.btn-modal-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-modal-primary:hover {
    background-color: #2563eb;
}

.btn-modal-secondary {
    background-color: #ffffff;
    color: #475569;
    border: 1px solid #cbd5e1;
}

.btn-modal-secondary:hover {
    background-color: #f8fafc;
    border-color: #94a3b8;
}

/* Container de Erro */
.error-container {
    max-width: 600px;
    margin: 100px auto;
    padding: 20px;
}

.error-message {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 40px;
    text-align: center;
}

.error-message p {
    color: #374151;
    margin-bottom: 24px;
    font-size: 16px;
    line-height: 1.6;
}

.btn-back {
    display: inline-block;
    background-color: #1e40af;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-back:hover {
    background-color: #1d4ed8;
}

/* Passageiros Container */
#passengers-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.passenger-form-card {
    background-color: #ffffff;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-bottom: 12px;
    transition: all 0.15s ease;
    overflow: hidden;
}

.passenger-form-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.passenger-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    cursor: pointer;
    background-color: #f8fafc;
    transition: background-color 0.15s ease;
    user-select: none;
}

.passenger-header:hover {
    background-color: #f1f5f9;
}

.passenger-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.passenger-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #3b82f6;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    flex-shrink: 0;
}

.passenger-form-card h3 {
    color: #0f172a;
    font-size: 17px;
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.passenger-toggle-icon {
    color: #64748b;
    font-size: 12px;
    transition: transform 0.2s ease;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.passenger-content {
    padding: 24px 20px;
    border-top: 1px solid #e2e8f0;
    background-color: #ffffff;
}

.passenger-content[style*="display: none"] {
    display: none !important;
}

.passenger-content[style*="display: block"] {
    display: block !important;
    animation: slideDown 0.2s ease;
}

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

/* Barra Fixa de Ação (Estilo Mercado Livre) */
.fixed-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-bar-content {
    max-width: 1200px;
    width: 100%;
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
}

.action-bar-info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    gap: 10px;
}

.info-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

.info-icon svg {
    width: 12px;
    height: 12px;
}

.info-text {
    color: #1e40af;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.5;
}

.action-bar-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .action-bar-info {
        display: none;
    }

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

    .action-bar-buttons {
        justify-content: center;
        width: 100%;
    }
}

.btn-next-fixed,
.btn-submit-fixed {
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    line-height: 1.5;
}

.btn-next-fixed::before,
.btn-submit-fixed::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.btn-next-fixed:active::before,
.btn-submit-fixed:active::before {
    width: 300px;
    height: 300px;
}

.btn-next-fixed:hover,
.btn-submit-fixed:hover {
    background-color: #2563eb;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-next-fixed:active,
.btn-submit-fixed:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-next-fixed:focus,
.btn-submit-fixed:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.btn-next-fixed.loading,
.btn-submit-fixed.loading {
    pointer-events: none;
    opacity: 0.9;
    position: relative;
}

.btn-next-fixed.loading .btn-arrow,
.btn-submit-fixed.loading .btn-arrow {
    opacity: 0.4;
    margin-left: 6px;
}

.btn-next-fixed.loading::after,
.btn-submit-fixed.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-next-fixed.success,
.btn-submit-fixed.success {
    background-color: #10b981;
    animation: successPulse 0.6s ease;
}

.btn-next-fixed.success .btn-arrow,
.btn-submit-fixed.success .btn-arrow {
    opacity: 1;
    margin-left: 6px;
}

.btn-next-fixed.success::after,
.btn-submit-fixed.success::after {
    display: none;
}

.btn-back-step-mobile {
    background-color: #ffffff;
    color: #475569;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: -0.01em;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    line-height: 1.5;
}

.btn-back-step-mobile::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.btn-back-step-mobile:active::before {
    width: 300px;
    height: 300px;
}

.btn-back-step-mobile:hover {
    background-color: #f8fafc;
    border-color: #94a3b8;
    color: #334155;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-back-step-mobile:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-back-step-mobile:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.2);
}

.btn-back-step-mobile .btn-arrow {
    margin-left: 0;
    margin-right: 0;
    width: 18px;
    height: 18px;
}

.btn-back-step-mobile:hover {
    background-color: #f8fafc;
    border-color: #94a3b8;
    color: #334155;
}

/* Adicionar padding-bottom no body para não sobrepor conteúdo */
.checkout-form-column {
    padding-bottom: 80px;
}

/* Responsive */
@media (max-width: 1024px) {
    .checkout-layout {
        grid-template-columns: 1fr;
    }

    .summary-card.sticky {
        position: relative;
        top: 0;
        margin-top: 20px;
        margin-bottom: 100px; /* Espaço para a barra fixa não sobrepor o conteúdo no mobile */
    }
}

/* Responsive para Layout de Cartão */
@media (max-width: 1024px) {
    .card-payment-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .card-preview-column {
        position: relative;
        top: 0;
        order: -1; /* Prévia aparece antes dos campos no mobile */
    }

    .card-front {
        max-width: 100%;
        height: 200px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 17px; /* Aumentar um pouco a fonte base no mobile */
    }

    .checkout-container {
        padding: 16px;
    }

    .checkout-form-column {
        padding: 20px;
    }

    .checkout-header h1 {
        font-size: 26px; /* Manter próximo ao desktop (28px) */
    }

    .checkout-header p {
        font-size: 17px; /* Aumentar um pouco (era 16px) */
    }

    .step-header h2 {
        font-size: 22px; /* Manter próximo ao desktop (24px) */
    }

    .step-description {
        font-size: 17px; /* Aumentar um pouco (era 16px) */
    }

    .form-group label {
        font-size: 16px; /* Aumentar um pouco (era 15px) */
    }

    .form-group input,
    .form-group select {
        font-size: 17px; /* Aumentar um pouco (era 16px) */
        padding: 15px 18px; /* Aumentar padding para melhor toque */
    }

    .field-error {
        font-size: 15px; /* Aumentar um pouco (era 14px) */
    }

    .step-error-message {
        font-size: 16px; /* Aumentar um pouco (era 15px) */
    }

    .summary-card h2 {
        font-size: 22px; /* Manter igual ao desktop */
    }

    .summary-section h3 {
        font-size: 14px; /* Aumentar um pouco (era 13px) */
    }

    .summary-label,
    .summary-value {
        font-size: 15px; /* Aumentar um pouco (era 14px) */
    }

    .service-header strong {
        font-size: 18px; /* Manter próximo ao desktop (17px) */
    }

    .service-details p {
        font-size: 17px; /* Aumentar um pouco (era 16px) */
    }

    .service-details small {
        font-size: 16px; /* Aumentar um pouco (era 15px) */
    }

    .passenger-summary {
        font-size: 15px; /* Aumentar um pouco (era 14px) */
    }

    .passenger-summary strong {
        font-size: 16px; /* Manter próximo ao desktop */
    }

    .total-line {
        font-size: 16px; /* Aumentar um pouco (era 15px) */
    }

    .total-line.total-final {
        font-size: 22px; /* Manter próximo ao desktop (20px) */
    }

    .total-line.total-final span {
        font-size: 26px; /* Manter próximo ao desktop (24px) */
    }

    .payment-label strong {
        font-size: 19px; /* Aumentar um pouco (era 18px) */
    }

    .payment-label small {
        font-size: 16px; /* Aumentar um pouco (era 15px) */
    }

    .payment-info {
        font-size: 17px; /* Aumentar um pouco (era 16px) */
    }

    .info-text {
        font-size: 16px; /* Aumentar um pouco (era 15px) */
    }

    .btn-next-fixed,
    .btn-submit-fixed,
    .btn-back-step-mobile {
        font-size: 17px; /* Aumentar um pouco (era 16px) */
    }

    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .checkout-stepper-compact {
        width: 100%;
        justify-content: center;
    }

    .stepper-label-compact {
        display: none;
    }

    .stepper-line-compact {
        width: 16px;
    }

    .checkout-header {
        margin-bottom: 24px;
        padding-bottom: 20px;
    }

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

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

    .step-actions {
        grid-template-columns: 1fr;
    }

    .btn-back-step {
        order: 2;
    }

    .btn-next,
    .btn-submit {
        order: 1;
    }
}

/* ========================================
   TERMOS E REGRAS DE BAGAGEM
   ======================================== */

.terms-section {
    margin-bottom: 30px;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
}

.terms-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

.terms-textarea {
    width: 100%;
    height: 250px;
    padding: 20px;
    margin-bottom: 15px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 13px;
    line-height: 1.7;
    color: #333;
    background: #ffffff;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    resize: none;
    overflow-y: auto;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
    cursor: default;
}

.terms-textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.terms-textarea::-webkit-scrollbar {
    width: 10px;
}

.terms-textarea::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 5px;
}

.terms-textarea::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

.terms-textarea::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.terms-checkbox {
    display: flex;
    align-items: flex-start;
    padding: 12px 15px;
    background: #fff;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.terms-checkbox:hover {
    border-color: #0066cc;
    background: #f0f7ff;
}

.terms-checkbox label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    margin: 0;
    width: 100%;
    gap: 10px;
}

.terms-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin: 0;
    cursor: pointer;
    accent-color: #0066cc;
    flex-shrink: 0;
}

.terms-checkbox span {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    user-select: none;
}

.terms-checkbox input[type="checkbox"]:checked + span {
    color: #0066cc;
    font-weight: 500;
}

/* Validação visual quando checkbox obrigatório não está marcado */
.terms-checkbox input[type="checkbox"]:invalid {
    outline: 2px solid #dc3545;
    outline-offset: 2px;
    border-radius: 3px;
}

@media (max-width: 768px) {
    .terms-section {
        padding: 15px;
        margin-bottom: 20px;
    }

    .terms-section h3 {
        font-size: 16px;
    }

    .terms-textarea {
        height: 200px;
        padding: 15px;
        font-size: 12px;
        line-height: 1.6;
    }

    .terms-checkbox span {
        font-size: 13px;
    }
}