/* Brutally simple CSS - no frameworks */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #000;
}

header h1 {
    font-size: 24px;
    font-weight: bold;
}

.language-selector {
    margin-top: 10px;
}

.language-selector select {
    padding: 5px;
    font-size: 14px;
    border: 1px solid #ddd;
    background: #fff;
    cursor: pointer;
}

.user-info {
    margin-top: 10px;
    font-size: 14px;
}

.user-info a {
    margin-left: 10px;
    color: #666;
    text-decoration: none;
}

main h2 {
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: bold;
}

.subheadline {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

.signup-form, .vendor-form {
    margin: 30px 0;
}

.signup-form input, .vendor-form input {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 2px solid #000;
    margin-bottom: 10px;
}

.signup-form button, .vendor-form button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    background: #000;
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

.signup-form button:hover, .vendor-form button:hover {
    background: #333;
}

.pricing {
    margin: 50px 0;
}

.pricing h3 {
    margin-bottom: 30px;
    font-size: 24px;
    text-align: center;
}

.pricing-plans {
    display: flex;
    gap: 30px;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: stretch;
}

.plan-box {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
    padding: 40px 30px;
    border: 2px solid #ddd;
    border-radius: 8px;
    text-align: center;
    background: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
}

.plan-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.plan-free {
    border-color: #ccc;
    background: #fafafa;
}

.plan-paid {
    border-color: #000;
    border-width: 3px;
    background: #fff;
    position: relative;
}

.plan-paid::before {
    content: 'POPULAR';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #000;
    color: #fff;
    padding: 4px 15px;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1px;
}

.plan-box h4 {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
}

.plan-paid h4 {
    color: #000;
}

.plan-box .price {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 25px;
    color: #000;
}

.plan-free .price {
    color: #666;
}

.plan-box .price span {
    font-size: 18px;
    color: #666;
    font-weight: normal;
}

.plan-box ul {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
}

.plan-box li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 15px;
}

.plan-box li:last-child {
    border-bottom: none;
}

footer a {
    color: #666;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .pricing-plans {
        flex-direction: column;
        align-items: center;
    }
    
    .plan-box {
        width: 100%;
        max-width: 100%;
    }
}

.how-it-works {
    margin: 50px 0;
}

.how-it-works h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.how-it-works ol {
    margin-left: 20px;
}

.how-it-works li {
    margin: 10px 0;
}

.error {
    background: #fee;
    border: 2px solid #f00;
    padding: 15px;
    margin-bottom: 20px;
    color: #c00;
}

.success {
    background: #efe;
    border: 2px solid #0a0;
    padding: 15px;
    margin-bottom: 20px;
    color: #060;
}

.status {
    margin: 20px 0;
}

.paid-badge {
    display: inline-block;
    background: #0a0;
    color: #fff;
    padding: 8px 15px;
    font-weight: bold;
}

.trial-badge {
    display: inline-block;
    background: #fa0;
    color: #000;
    padding: 8px 15px;
    font-weight: bold;
}

.vendor-list {
    list-style: none;
    margin: 30px 0;
}

.vendor-list li {
    padding: 15px;
    border: 1px solid #ddd;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.delete-btn {
    padding: 6px 12px;
    background: #f00;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.delete-btn:hover {
    background: #c00;
}

.empty {
    color: #999;
    font-style: italic;
    margin: 30px 0;
}

.upgrade-box {
    margin: 50px 0;
    padding: 30px;
    border: 2px solid #000;
    background: #f9f9f9;
}

.upgrade-box h3 {
    margin-bottom: 10px;
}

.upgrade-btn {
    width: 100%;
    padding: 15px;
    background: #000;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    margin-top: 20px;
}

.upgrade-btn:hover {
    background: #333;
}

.subscription-box {
    margin: 50px 0;
    padding: 30px;
    border: 2px solid #000;
    background: #fff;
}

.subscription-box h3 {
    margin-bottom: 10px;
}

.manage-btn {
    display: inline-block;
    width: 100%;
    padding: 15px;
    background: #000;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    margin-top: 20px;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

.manage-btn:hover {
    background: #333;
}

footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    text-align: center;
    color: #666;
    font-size: 14px;
}