/* Общие стили */
body {
    font: 400 1.4rem 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #12141d, #1e2029);
    color: #c8c8c8;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 0 auto;
    padding: 50px;
    position: relative;
}

header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeIn 1.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    width: 170px;
    margin-bottom: 25px;
    transition: transform 0.3s, box-shadow 0.3s, filter 0.3s;
    cursor: pointer;
    filter: drop-shadow(2px 2px 5px rgba(0,0,0,0.7));
}

h1, h2 {
    margin-bottom: 35px;
    font-weight: 500;
    color: #f0f0f0;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.9);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 2rem;
}

/* Main Content */
.main-content {
    background-color: rgba(34, 36, 46, 0.7);
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.8);
    animation: slideIn 1.4s ease-out;
}

@keyframes slideIn {
    from { transform: translateY(70px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Nickname Input */
.nickname-input {
    margin-bottom: 50px;
}

.nickname-input label {
    display: block;
    margin-bottom: 14px;
    font-weight: 500;
    color: #b0b0b0;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    font-size: 1.1rem;
}

.nickname-input .input-group {
    display: flex;
    align-items: center;
    background-color: rgba(36, 38, 46, 0.9);
    border-radius: 14px;
    padding: 12px;
    box-shadow: inset 0 6px 12px rgba(0,0,0,0.8);
    transition: box-shadow 0.3s ease;
    justify-content: space-between; /*  Распределяем пространство */
}

.nickname-input .input-group:hover {
    box-shadow: inset 0 8px 14px rgba(0,0,0,0.9);
}

.nickname-input input {
    padding: 16px;
    border: none;
    border-radius: 14px;
    width: 99%;  /*  Уменьшаем ширину */
    background-color: transparent;
    color: #fff;
    font-size: 1.3rem;
    transition: box-shadow 0.3s, transform 0.2s;
}

.nickname-input input:focus {
    outline: none;
    transform: scale(1.05);
}

.currency {
    font-weight: bold;
    color: #c0c0c0;
    padding: 16px;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    font-size: 1.2rem;
    user-select: none;
    letter-spacing: 1px;
    white-space: nowrap; /* Запрещаем перенос строки */
}

/* Balance Topup */
.balance-topup {
    margin-bottom: 50px;
}

.balance-topup label {
    display: block;
    margin-bottom: 14px;
    font-weight: 500;
    color: #b0b0b0;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    font-size: 1.1rem;
}

.balance-topup .input-group {
    background-color: rgba(36, 38, 46, 0.9);
    border-radius: 14px;
    padding: 12px;
    box-shadow: inset 0 6px 12px rgba(0,0,0,0.8);
    transition: box-shadow 0.3s ease;
    justify-content: space-between; /*  Распределяем пространство */
}

.balance-topup .input-group:hover {
    box-shadow: inset 0 8px 14px rgba(0,0,0,0.9);
}

#topup-amount {
    padding: 16px;
    border: none;
    border-radius: 14px;
    width: 70%;  /*  Уменьшаем ширину */
    background-color: transparent;
    color: #fff;
    font-size: 1.3rem;
    transition: box-shadow 0.3s, transform 0.2s;
}

#topup-amount:focus {
    outline: none;
    transform: scale(1.05);
}
.error-message {
    color: #ff9999;
    margin-top: 14px;
    font-weight: 500;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    animation: shake 0.8s ease-in-out;
    font-size: 1rem;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-8px); }
    20%, 40%, 60%, 80% { transform: translateX(8px); }
}

/* Payment Methods */
.payment-methods {
    margin-bottom: 60px;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 25px;
}

.payment-item {
    background-color: rgba(36, 38, 46, 0.7);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, filter 0.3s;
    filter: drop-shadow(3px 3px 7px rgba(0,0,0,0.7));
}

.payment-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.8);
}

.payment-item img {
    width: 100%;
    max-width: 130px;
    margin-bottom: 25px;
    transition: transform 0.4s, filter 0.4s;
}

.payment-item img:hover {
    transform: scale(1.15);
    filter: brightness(1.3) saturate(1.2);
}

.payment-item span {
    font-size: 1.1rem;
    color: #f0f0f0;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.9);
    letter-spacing: 1px;
}

.payment-item.selected {
    border: 3px solid #966fff; /* Фиолетовая обводка */
    box-shadow: 0 0 35px #966fff; /* Фиолетовая тень при выборе */
    transform: translateY(-12px);
    animation: pulse 1.8s infinite alternate;
}

/* Tooltip */
.payment-item .tooltip {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0,0,0,0.95);
    color: #fff;
    text-align: center;
    padding: 12px;
    font-size: 0.9rem;
    border-radius: 0 0 16px 16px;
    opacity: 0;
    transition: opacity 0.3s;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.9);
    letter-spacing: 1px;
}

.payment-item:hover .tooltip {
    opacity: 1;
}

/* Pay Button */
.pay-button {
    background-color: #00e0f0; /* Оригинальный цвет */
    color: #fff;
    border: none;
    padding: 20px 40px;
    border-radius: 14px;
    cursor: pointer;
    font-size: 1.4rem;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s, filter 0.3s;
    box-shadow: 0 10px 20px rgba(0,0,0,0.7);
    letter-spacing: 1.6px;
    text-transform: uppercase;
    outline: none;
    filter: brightness(1) saturate(1);
}

.pay-button:hover {
    background-color: #00c8d8;
    transform: translateY(-7px);
    box-shadow: 0 14px 28px rgba(0,0,0,0.8);
    filter: brightness(1.3) saturate(1.2);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    z-index: 1000;
    overflow: auto;
}

.modal-content {
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #22242e;
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 14px 28px rgba(0,0,0,0.8);
    text-align: center;
    color: #f0f0f0;
    max-width: 550px;
    width: 90%;
}

.modal h2 {
    color: #00e0f0;
    margin-bottom: 35px;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.9);
    font-size: 1.8rem;
}

.modal p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.9);
}

/* Payment Options (Modal) */
.payment-options {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.payment-method {
    background-color: rgba(36, 38, 46, 0.9);
    border: none;
    border-radius: 16px;
    color: #e0e0e0;
    padding: 16px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    margin: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 140px;
    text-align: center;
    box-shadow: 0 6px 12px rgba(0,0,0,0.7);
}

.payment-method img {
    width: 70px;
    margin-bottom: 12px;
}

.payment-method:hover {
    background-color: rgba(54, 56, 66, 0.9);
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.6);
}

.payment-method.selected {
    border: 3px solid #966fff; /* Фиолетовая обводка */
    box-shadow: 0 0 30px #966fff; /* Фиолетовая тень при выборе */
}

/* Кнопка закрытия */
.close-button {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 1.4rem;
    cursor: pointer;
    color: #888;
    transition: color 0.3s;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
}

.close-button:hover {
    color: #fff;
}

/* Кнопки подтверждения и отмены */
.confirm-button, .cancel-button {
    padding: 14px 25px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    letter-spacing: 0.7px;
    outline: none;
}

.confirm-button {
    background-color: #32c854;
    color: #fff;
    margin-right: 18px;
}

.confirm-button:hover {
    background-color: #29ab45;
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.6);
}

.cancel-button {
    background-color: #e04141;
    color: #fff;
}

.cancel-button:hover {
    background-color: #cc3838;
    transform: translateY(-5px);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px;
    border-top: 1px solid #242630;
    color: #a0a8b8;
    text-shadow: 1px 1px 7px rgba(0,0,0,0.9);
    font-size: 1rem;
    letter-spacing: 1.2px;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 35px;
    }

    header {
        margin-bottom: 45px;
    }

    .logo {
        width: 150px;
    }

    .main-content {
        padding: 35px;
    }

    .nickname-input, .balance-topup, .payment-methods {
        margin-bottom: 45px;
    }

    .account-grid, .payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
        gap: 18px;
    }

    .payment-item {
        padding: 20px;
    }

    .payment-options {
        flex-direction: column;
        align-items: center;
    }

    .payment-method {
        width: 100%;
        margin: 10px 0;
        padding: 12px;
    }

    .modal-content {
        padding: 35px;
    }

    .confirm-button, .cancel-button {
        padding: 12px 20px;
    }
}