@import url('charisma-tokens.css');

.buy-inner {
    max-width: 520px;
    margin: 0 auto;
    padding: 0 16px 48px;
}

.buy-top-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.buy-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--secondary);
    font-weight: 700;
    font-size: 1.08rem;
    letter-spacing: 0.02em;
}

.buy-brand-name {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.buy-brand-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ch-gradient-brand);
    color: #fff;
    font-size: 1.15rem;
    box-shadow: 0 10px 28px rgba(99, 102, 241, 0.4);
}

.buy-card {
    background: var(--ch-card);
    border: 1px solid var(--ch-border);
    border-radius: var(--border-radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.buy-h1 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 0 10px;
    color: var(--secondary);
    letter-spacing: -0.02em;
}

.buy-lead {
    margin: 0 0 22px;
    font-size: 0.95rem;
    color: var(--gray);
}

.buy-alert {
    padding: 14px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 18px;
    font-size: 0.92rem;
    line-height: 1.5;
    border: 1px solid transparent;
}

.buy-alert--warn {
    background: rgba(251, 191, 36, 0.12);
    border-color: rgba(251, 191, 36, 0.35);
    color: #fde68a;
}

.buy-alert--ok {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
    color: #a7f3d0;
}

.buy-alert a {
    color: var(--primary-light);
    font-weight: 600;
}

.buy-hint {
    font-size: 0.88rem;
    color: var(--gray);
    margin: 6px 0 0;
    line-height: 1.45;
}

.buy-form label {
    display: block;
    margin-top: 18px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--secondary);
}

.buy-form input,
.buy-form select {
    width: 100%;
    padding: 12px 14px;
    margin-top: 8px;
    box-sizing: border-box;
    border-radius: 10px;
    border: 1px solid var(--ch-border);
    background: var(--ch-input);
    color: var(--ch-text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.buy-form input::placeholder {
    color: var(--gray);
}

.buy-form input:focus,
.buy-form select:focus {
    outline: none;
    border-color: rgba(129, 140, 248, 0.75);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.buy-form select {
    cursor: pointer;
}

.buy-form button[type='submit'] {
    margin-top: 26px;
    width: 100%;
    padding: 14px 22px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    color: #fff;
    background: var(--ch-gradient-brand);
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.buy-form button[type='submit']:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(99, 102, 241, 0.5);
}

.buy-foot {
    margin-top: 28px;
    font-size: 0.88rem;
    color: var(--gray);
    text-align: center;
    line-height: 1.5;
}

.buy-form code {
    font-size: 0.82rem;
    word-break: break-all;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.35);
    color: var(--primary-light);
}

@media (min-width: 768px) {
    .buy-inner {
        max-width: 560px;
        padding: 48px 28px 72px;
    }

    .buy-card {
        padding: 36px 32px;
        border-radius: var(--border-radius-lg);
        animation: buyCardIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
    }

    .buy-h1 {
        font-size: 1.75rem;
    }

    .buy-brand-badge {
        transition: transform 0.35s ease, box-shadow 0.35s ease;
    }

    .buy-brand:hover .buy-brand-badge {
        transform: scale(1.06) rotate(-3deg);
        box-shadow: 0 14px 36px rgba(99, 102, 241, 0.5);
    }
}

@media (min-width: 1024px) {
    .buy-inner {
        max-width: 640px;
        padding-top: 64px;
    }

    .buy-card {
        padding: 44px 40px;
    }
}

@keyframes buyCardIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .buy-card {
        animation: none;
    }
}