:root {
    --siteinapp-auth-border: #dce3ee;
    --siteinapp-auth-text: #0f172a;
    --siteinapp-auth-muted: #64748b;
    --siteinapp-auth-amber: #f59e0b;
    --siteinapp-auth-amber-hover: #d97706;
}

html,
body,
button,
input,
select,
textarea {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout {
    position: relative;
    min-height: 100vh;
    padding: 0px 24px 0px;
    background:
        radial-gradient(circle at 8% 8%, rgba(96, 165, 250, 0.16) 0, transparent 27rem),
        radial-gradient(circle at 92% 12%, rgba(251, 191, 36, 0.18) 0, transparent 25rem),
        radial-gradient(circle at 12% 82%, rgba(52, 211, 153, 0.09) 0, transparent 25rem),
        radial-gradient(circle at 88% 78%, rgba(167, 139, 250, 0.12) 0, transparent 28rem),
        #f5f7fb;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-main-ctn {
    width: 100%;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-main {
    width: min(620px, calc(100vw - 48px)) !important;
    max-width: 620px !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-page {
    width: 100%;
    padding: 40px 44px;
    border: 1px solid rgba(220, 227, 238, 0.92);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 24px 65px rgba(15, 23, 42, 0.11);
}

/* Оставляем один внешний бокс вместо вложенной карточки формы. */
body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-section {
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-header-heading {
    color: var(--siteinapp-auth-text);
    font-size: clamp(25px, 3vw, 32px);
    line-height: 1.2;
    letter-spacing: -0.025em;
    white-space: nowrap;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-header-subheading,
body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-fo-field-wrp-label,
body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-checkbox-input-label {
    color: var(--siteinapp-auth-muted);
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-input-wrp {
    min-height: 48px;
    overflow: hidden;
    border: 1px solid var(--siteinapp-auth-border) !important;
    border-radius: 13px !important;
    background: #ffffff !important;
    box-shadow: 0 7px 18px rgba(15, 23, 42, 0.045) !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-input-wrp:focus-within {
    border-color: var(--siteinapp-auth-amber) !important;
    box-shadow:
        0 0 0 3px rgba(245, 158, 11, 0.14),
        0 9px 22px rgba(15, 23, 42, 0.06) !important;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-input {
    min-height: 46px;
    padding-inline: 15px;
    color: var(--siteinapp-auth-text);
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-btn.fi-color-primary {
    min-height: 48px;
    border: 1px solid var(--siteinapp-auth-amber);
    border-radius: 13px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #1f2937;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 11px 26px rgba(245, 158, 11, 0.25);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-btn.fi-color-primary:hover {
    border-color: var(--siteinapp-auth-amber-hover);
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 14px 30px rgba(217, 119, 6, 0.3);
    transform: translateY(-2px);
}

.siteinapp-auth-logo {
    position: fixed;
    z-index: 10;
    top: 28px;
    left: 36px;
    display: block;
    width: 250px;
    text-decoration: none;
}

.siteinapp-auth-logo img {
    display: block;
    width: 100%;
    height: auto;
}

.siteinapp-auth-return {
    margin-top: 24px;
    text-align: center;
    color: var(--siteinapp-auth-muted);
    font-size: 14px;
    font-weight: 600;
}

.siteinapp-auth-return a {
    text-decoration: none;
    transition: color 0.2s ease;
}

.siteinapp-auth-return a:hover {
    color: var(--siteinapp-auth-amber-hover);
}

/* Убираем стандартную надпись SiteInApp над формой авторизации. */
body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-header .fi-logo {
    display: none !important;
}

@media (max-width: 680px) {
    body:has(.siteinapp-auth-logo) .fi-simple-layout {
        padding: 96px 16px 28px;
    }

    body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-main {
        width: 100% !important;
    }

    body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-page {
        padding: 30px 22px;
        border-radius: 20px;
    }

    body:has(.siteinapp-auth-logo) .fi-simple-layout .fi-simple-header-heading {
        white-space: normal;
    }

    .siteinapp-auth-logo {
        top: 22px;
        left: 20px;
        width: 205px;
    }
}

/* Такой же фон, как у блока «О сервисе SiteInApp» */
.fi-account-widget .fi-section {
    background:
        radial-gradient(
            circle at 95% 10%,
            rgba(251, 191, 36, 0.20) 0,
            transparent 18rem
        ),
        linear-gradient(
            135deg,
            #ffffff 0%,
            #fffbeb 100%
        ) !important;
}