:root {
    --primary-color: #23CC67;
    --primary-hover: #1db55a;
    --bg-color: #F3F4F8;
    --card-bg: #FFFFFF;
    --text-color: #181818;
    --text-secondary: #636363;
    --border-color: #DEE1E4;
    --input-bg: #FDFDFD;
    --focus-ring: #23CC67;
    --radius: 8px;
    --spacing: 20px;
    --font-family: 'Inter', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Countdown Bar */
.countdown-bar {
    background-color: #181818;
    color: white;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    font-size: 14px;
    font-weight: 500;
    position: sticky;
    top: 0;
    z-index: 100;
}

.countdown-text {
    display: flex;
    align-items: center;
    gap: 5px;
}

.timer {
    display: flex;
    align-items: center;
    gap: 5px;
}

.time-unit {
    background: #333;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
}

.time-unit .label {
    font-size: 8px;
    font-weight: 400;
    opacity: 0.7;
}

/* Layout */
.checkout-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Banner */
.product-banner {
    width: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.banner-placeholder {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, #23CC67 0%, #136327 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 24px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Cards */
.card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid #E5E7EB;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.icon-circle {
    width: 32px;
    height: 32px;
    background-color: #F3F4F6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-color);
}

input,
select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--input-bg);
    font-size: 15px;
    color: var(--text-color);
    transition: all 0.2s;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--focus-ring);
    box-shadow: 0 0 0 4px rgba(35, 204, 103, 0.1);
}

input::placeholder {
    color: #9CA3AF;
}

/* Testimonials */
.testimonials .card-header {
    justify-content: space-between;
}

.comment-count {
    font-size: 13px;
    color: var(--text-secondary);
}

.testimonial-item {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid #F3F4F6;
}

.testimonial-item:last-child {
    border-bottom: none;
}

.avatar {
    width: 40px;
    height: 40px;
    background-color: #E5E7EB;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #6B7280;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.user-info .name {
    font-weight: 600;
    font-size: 14px;
}

.stars {
    color: #FBBF24;
    font-size: 12px;
}

.testimonial-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Payment Tabs */
.payment-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: #F9FAFB;
    padding: 4px;
    border-radius: var(--radius);
}

.tab {
    flex: 1;
    padding: 10px;
    border: 1px solid transparent;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.tab.active {
    background: #FFFFFF;
    color: var(--primary-color);
    border-color: #E5E7EB;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    font-weight: 600;
}

.payment-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.payment-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

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

.pix-info,
.boleto-info {
    text-align: center;
    padding: 30px;
    background: #F9FAFB;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    border: 1px dashed #D1D5DB;
}

/* Order Summary */
.product-summary-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: #F9FAFB;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.prod-img-small {
    width: 50px;
    height: 50px;
    background-color: #E5E7EB;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #999;
}

.prod-details h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.prod-details .price {
    font-weight: 700;
    color: var(--primary-color);
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 18px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 6px rgba(35, 204, 103, 0.2);
}

.btn-submit:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(35, 204, 103, 0.3);
}

.btn-submit:active {
    transform: translateY(0);
}

.security-footer {
    text-align: center;
    margin-top: 15px;
    font-size: 12px;
    color: #9CA3AF;
}

.secure-badge {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #6B7280;
    background: #F3F4F6;
    padding: 4px 10px;
    border-radius: 20px;
}

/* Footer */
.page-footer {
    text-align: center;
    color: #9CA3AF;
    font-size: 12px;
    padding: 20px 0;
}

/* Responsive */
@media (max-width: 600px) {
    .checkout-container {
        padding: 10px;
    }

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

    .countdown-bar {
        font-size: 12px;
    }
}