/* --- Общие стили --- */
:root {
    --ps-blue: #003697;
    --ps-dark-blue: #005499;
    --kcell-color: #652D86;
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --text-color: #333;
    --light-text-color: #666;
    --error-color: #d93025;
}

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

body {
    font-family: "Golos Text", sans-serif;
    font-optical-sizing: auto;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.logo-container {
    margin-bottom: 30px; /* Отступ между логотипом и карточкой */
}

.kcell-logo {
    color: var(--kcell-color);
}

/* --- Карточка товара --- */
.product-card {
    background-color: var(--card-background);
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(224, 222, 243, 0.5);
    max-width: 420px;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-image {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background-color: var(--ps-blue);
}

.ps-logo {
    color: white;
}

.product-info {
    padding: 25px 30px 30px;
    text-align: center;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.description {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--light-text-color);
    line-height: 1.6;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ps-blue);
    margin-top: 15px;
    margin-bottom: 25px;
}

/* --- Форма --- */
#payment-form {
    height: 195px;
    display: flex;
    flex-direction: column;
}

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

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 8px;
}

input[type="email"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="email"]:focus {
    outline: none;
    border-color: var(--ps-blue);
    box-shadow: 0 0 0 3px rgba(0, 112, 209, 0.2);
}

input[type="email"].invalid {
    border-color: var(--error-color);
}

#pay-button {
    background-color: var(--ps-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

#pay-button:hover {
    background-color: var(--ps-dark-blue);
}

#pay-button:active {
    transform: scale(0.98);
}

#pay-button:disabled {
    background-color: #a0a0a0;
    cursor: not-allowed;
}

/* --- Статусы и лоадер --- */
.hidden {
    display: none;
}

.loader {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 54, 151, 0.8);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin: 25px auto 0;
}

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

.status-message {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--error-color);
    font-weight: 500;
}

/* --- Ссылка для повторной попытки --- */
.retry-link {
    color: var(--ps-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.retry-link:hover {
    color: var(--ps-dark-blue);
    text-decoration: underline;
}