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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Header */
.header {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header h1 {
    color: #667eea;
    margin-bottom: 15px;
}

.user-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 15px;
}

.user-info p {
    margin: 5px 0;
    font-size: 14px;
}

/* Cards */
.card, .login-card, .success-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.card-header h1, .card-header h2 {
    color: #667eea;
    margin-bottom: 5px;
}

.card-header p {
    color: #666;
    font-size: 14px;
}

/* Login Form */
.login-form {
    margin-top: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-large {
    padding: 16px;
    font-size: 18px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* Price Card */
.price-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.price-header h3 {
    color: #333;
    margin-bottom: 15px;
}

.price-body {
    display: grid;
    gap: 10px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: white;
    border-radius: 8px;
}

.price-item .label {
    font-weight: 600;
    color: #666;
}

.price-item .value {
    color: #667eea;
    font-weight: 600;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

/* Info Box */
.info-box {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
}

.info-box p {
    margin-bottom: 10px;
}

.info-box ul {
    margin-left: 20px;
    margin-top: 10px;
}

.info-box li {
    margin-bottom: 5px;
}

/* Buy Form */
.buy-form {
    margin-top: 25px;
}

.summary-box {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.summary-box h4 {
    margin-bottom: 15px;
    color: #667eea;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e0e0e0;
}

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

.summary-item .highlight {
    font-weight: 600;
    color: #667eea;
    font-size: 18px;
}

.summary-item .highlight.free {
    color: #28a745;
}

/* Success Page */
.success-header {
    text-align: center;
    margin-bottom: 30px;
}

.success-header h1 {
    color: #28a745;
    font-size: 32px;
}

.success-info {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
}

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

.info-item .label {
    font-weight: 600;
    color: #666;
}

.info-item .value {
    color: #333;
    font-weight: 500;
}

/* Email List */
.emails-list {
    margin: 25px 0;
}

.emails-list h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.email-item {
    display: grid;
    gap: 15px;
}

.email-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid #667eea;
}

.email-header {
    margin-bottom: 10px;
}

.email-body {
    display: grid;
    gap: 8px;
}

.email-field {
    display: flex;
    align-items: center;
    gap: 10px;
}

.field-label {
    font-weight: 600;
    color: #666;
    min-width: 120px;
}

.field-value {
    color: #333;
    word-break: break-all;
}

.field-value code {
    background: #e9ecef;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

/* Action Buttons */
.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 25px;
}

/* Email Table */
.email-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.email-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.email-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.email-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #e0e0e0;
}

.email-table tbody tr:hover {
    background: #f8f9fa;
}

.email-table tbody tr:last-child td {
    border-bottom: none;
}

.email-table code {
    background: #e9ecef;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    word-break: break-all;
}

.btn-warning {
    background: #ffc107;
    color: #000;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
}

/* Loading Button */
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Loading overlay for form */
.buy-form.loading {
    position: relative;
    pointer-events: none;
}

.buy-form.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 10;
    border-radius: 8px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .card, .login-card, .success-card {
        padding: 20px;
    }

    .user-info {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        grid-template-columns: 1fr;
    }

    .info-item {
        flex-direction: column;
        gap: 5px;
    }

    .email-field {
        flex-direction: column;
        align-items: flex-start;
    }
}