:root {
    --tg-theme-bg-color: #1c1c1c;
    --tg-theme-text-color: #ffffff;
    --tg-theme-button-color: #50A8EB;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #2c2c2c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    background-color: var(--tg-theme-bg-color, #1c1c1c);
    color: var(--tg-theme-text-color, #ffffff);
    min-height: 100vh;
    padding-bottom: 20px;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 10px;
}

header {
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 15px;
}

header h1 {
    margin-bottom: 10px;
    font-size: 20px;
}

.steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 33%;
    opacity: 0.6;
}

.step.active {
    opacity: 1;
}

.step-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
    font-size: 12px;
}

.step.active .step-circle {
    background-color: var(--tg-theme-button-color, #50A8EB);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.step-text {
    font-size: 12px;
}

.step-content {
    display: none;
}

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

h2 {
    font-size: 16px;
    margin-bottom: 10px;
}

h3 {
    font-size: 14px;
    margin: 10px 0;
}

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

.product-name {
    font-size: 22px;
    font-weight: 700;
    margin: 20px 0;
    background: linear-gradient(135deg, var(--tg-theme-button-color, #50A8EB), #6ac0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    letter-spacing: 0.5px;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.duration-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}

.duration-btn {
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    color: var(--tg-theme-text-color, #ffffff);
    border: none;
    border-radius: 10px;
    padding: 15px 10px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.duration-btn.active {
    background-color: var(--tg-theme-button-color, #50A8EB);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.duration-btn:last-child {
    grid-column: 1 / -1;
    margin-top: 5px;
}

.duration-btn:last-child::after {
    content: "ВЫГОДНО";
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #16A34A;
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: bold;
    transform: rotate(5deg);
}

.price-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 30px 0;
    padding: 15px;
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    border-radius: 10px;
}

.price {
    font-size: 18px;
    font-weight: bold;
}

.action-button {
    width: 100%;
    background-color: var(--tg-theme-button-color, #50A8EB);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 10px;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-button:hover {
    opacity: 0.9;
}

.payment-methods {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.payment-method-btn {
    flex: 1;
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    color: var(--tg-theme-text-color, #ffffff);
    border: none;
    border-radius: 10px;
    padding: 10px 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-method-btn.active {
    background-color: var(--tg-theme-button-color, #50A8EB);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.form-group {
    margin-bottom: 12px;
}

label {
    display: block;
    margin-bottom: 4px;
    font-size: 12px;
    color: var(--tg-theme-text-color, #ffffff);
    opacity: 0.7;
}

input[type="email"],
input[type="text"] {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 10px;
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    color: var(--tg-theme-text-color, #ffffff);
    font-size: 16px;
}

input::placeholder {
    color: var(--tg-theme-text-color, #ffffff);
    opacity: 0.5;
}

.form-group:last-of-type {
    display: flex;
    gap: 10px;
}

.form-group:last-of-type input {
    flex: 1;
}

.promo-btn {
    background-color: var(--tg-theme-button-color, #50A8EB);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 10px;
    padding: 0 20px;
    font-size: 14px;
    cursor: pointer;
}

.buttons-group {
    display: flex;
    gap: 10px;
}

.back-button {
    background-color: transparent;
    color: var(--tg-theme-text-color, #ffffff);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    flex: 1;
}

.buttons-group .action-button {
    flex: 2;
}

.payment-summary {
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.payment-summary p {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}

.payment-summary p:last-child {
    margin-bottom: 0;
}

.hidden {
    display: none;
}

#payment-processing {
    text-align: center;
}

.payment-processing-content {
    padding: 40px 0;
}

.loader {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: var(--tg-theme-button-color, #50A8EB);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 20px;
}

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

/* Стили для всплывающих ошибок */
.error-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.error-popup.show {
    opacity: 1;
    pointer-events: auto;
}

.error-content {
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    border-radius: 15px;
    padding: 25px;
    width: 85%;
    max-width: 350px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.error-popup.show .error-content {
    transform: translateY(0);
}

.error-content h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--tg-theme-text-color, #ffffff);
    font-size: 18px;
}

.error-content p {
    margin-bottom: 20px;
    color: var(--tg-theme-text-color, #ffffff);
    font-size: 16px;
    line-height: 1.4;
}

.error-button {
    background-color: var(--tg-theme-button-color, #50A8EB);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 10px;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.error-button:hover {
    opacity: 0.9;
}

/* Стили для контейнера виджета YooKassa */
#payment-widget-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--tg-theme-bg-color, #1c1c1c);
    z-index: 1000;
    display: none;
    flex-direction: column;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#payment-widget-container.active {
    display: flex;
    opacity: 1;
}

.card-form {
    padding: 15px 0;
}

.form-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

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

.card-input {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background-color: var(--tg-theme-secondary-bg-color, #2c2c2c);
    color: var(--tg-theme-text-color, #ffffff);
    font-size: 16px;
    margin-bottom: 15px;
}

.error-message {
    color: #ff5252;
    margin-bottom: 15px;
    font-size: 14px;
    min-height: 20px;
}

.payment-info {
    text-align: center;
    padding: 20px;
    background-color: var(--tg-theme-bg-color);
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.payment-info h2 {
    color: var(--tg-theme-text-color);
    margin-bottom: 15px;
}

.payment-info p {
    color: var(--tg-theme-hint-color);
    margin-bottom: 20px;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

/* Стили для кнопок */
.button.primary {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
}

.button.secondary {
    background-color: transparent;
    color: var(--tg-theme-button-color);
    border: 1px solid var(--tg-theme-button-color);
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
}

.button.tertiary {
    background-color: transparent;
    color: var(--tg-theme-text-color);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    opacity: 0.7;
}

.button:hover {
    opacity: 0.9;
}

.button:active {
    transform: scale(0.98);
}

.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    max-width: 90%;
    width: auto;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.notification.error {
    background-color: #FEE2E2;
    color: #DC2626;
    border: 1px solid #FCA5A5;
}

.notification.success {
    background-color: #DCFCE7;
    color: #16A34A;
    border: 1px solid #86EFAC;
}

.notification.show {
    opacity: 1;
}