:root {
    --bz-red: #ed1c24;
    --bz-red-dark: #c9141b;
    --bz-ink: #111827;
    --bz-muted: #6b7280;
    --bz-border: #d8dee8;
    --bz-white: #ffffff;
    --bz-shadow: 0 22px 70px rgba(17, 24, 39, .12);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--bz-ink);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at 20% 20%, #ffffff 0%, #f5f7fb 42%, #edf1f7 100%);
    overflow: hidden;
}

.bz-login-page {
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    grid-template-columns: minmax(520px, 1.06fr) minmax(420px, .94fr);
    gap: 14px;
    padding: 14px 16px;
    overflow: hidden;
}

.bz-visual-panel,
.bz-form-panel {
    position: relative;
    min-width: 0;
    min-height: 0;
}

.bz-visual-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 18px 20px;
    border-radius: 24px;
    background: linear-gradient(180deg, #f7f7f9, #ececf2);
}

.bz-visual-panel::after {
    content: "";
    position: absolute;
    inset: 0 0 0 auto;
    width: 120px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .72));
    pointer-events: none;
}

.bz-logo {
    display: block;
    width: auto;
    max-width: 160px;
    max-height: 38px;
    object-fit: contain;
}

.bz-hero-stage {
    min-height: 0;
    height: 100%;
    display: grid;
    place-items: center;
    padding: 20px 0 0;
}

.bz-hero-img {
    width: min(100%, 760px);
    max-height: calc(100vh - 120px);
    object-fit: contain;
    filter: drop-shadow(0 24px 34px rgba(0, 0, 0, .08));
}

.bz-form-panel {
    display: grid;
    place-items: center;
    padding: 24px 30px;
    border-radius: 24px;
    background: #fff;
}

.bz-form-panel::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    top: -160px;
    right: -160px;
    background: radial-gradient(circle, rgba(237, 28, 36, .12), transparent 64%);
}

.bz-mail-float {
    position: absolute;
    top: 28px;
    right: 32px;
    transform: rotate(-14deg);
    opacity: .22;
}

.bz-mail-float img {
    width: 54px;
}

.bz-login-card {
    position: relative;
    z-index: 1;
    width: min(100%, 520px);
    padding: 0;
}

.bz-login-card h1 {
    margin: 0 0 12px;
    font-size: clamp(30px, 3.3vw, 42px);
    line-height: 1.05;
    letter-spacing: -.04em;
}

.bz-login-card p {
    margin: 0 0 24px;
    color: var(--bz-muted);
    font-size: 17px;
    line-height: 1.45;
}

.bz-login-subtitle-base,
.bz-login-subtitle-accent {
    display: block;
}

.bz-login-subtitle-accent {
    color: var(--bz-red);
    font-weight: 800;
}

.bz-demo-logins {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.bz-demo-logins button {
    padding: 10px 16px;
    border: 0;
    border-radius: 999px;
    background: rgba(237, 28, 36, .08);
    color: var(--bz-red-dark);
    font-weight: 700;
    cursor: pointer;
}

.bz-alert {
    margin-bottom: 14px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #fff1f2;
    color: #be123c;
    border: 1px solid #fecdd3;
    font-size: 14px;
}

.bz-login-form label,
.bz-label-row label {
    display: inline-block;
    margin-bottom: 10px;
    color: #182033;
    font-weight: 700;
}

.bz-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
}

.bz-label-row a,
.bz-register a {
    color: var(--bz-red);
    text-decoration: none;
    font-weight: 700;
}

.bz-input-group {
    position: relative;
    display: flex;
    align-items: center;
    height: 58px;
    border: 1px solid var(--bz-border);
    border-radius: 14px;
    background: rgba(255, 255, 255, .9);
    transition: .22s ease;
    box-shadow: 0 10px 30px rgba(31, 41, 55, .04);
}

.bz-input-group:focus-within {
    border-color: var(--bz-red);
    box-shadow: 0 0 0 5px rgba(237, 28, 36, .11);
}

.bz-input-group img {
    width: 20px;
    height: 20px;
    margin-left: 16px;
    opacity: .62;
}

.bz-input-group input {
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    background: transparent;
    padding: 0 14px;
    color: var(--bz-ink);
    font-size: 15px;
}

.bz-eye {
    margin-right: 14px;
    border: 0;
    background: transparent;
    color: #7b8496;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.bz-captcha {
    margin-top: 14px;
}

.bz-checkbox {
    margin-top: 16px;
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: #30394c !important;
    font-weight: 600 !important;
}

.bz-checkbox input {
    width: 20px;
    height: 20px;
    accent-color: var(--bz-red);
}

.bz-login-btn {
    width: 100%;
    height: 58px;
    margin-top: 16px;
    border: 0;
    border-radius: 14px;
    color: #fff;
    font-weight: 800;
    font-size: 17px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--bz-red), #ff3a42 55%, var(--bz-red-dark));
    box-shadow: 0 18px 36px rgba(237, 28, 36, .26);
    transition: transform .22s ease, box-shadow .22s ease;
}

.bz-login-btn span {
    float: right;
    margin-right: 18px;
    font-size: 24px;
    line-height: 18px;
}

.bz-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 44px rgba(237, 28, 36, .34);
}

.bz-register {
    margin-top: 16px !important;
    font-size: 15px !important;
}

.bz-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.bz-feature-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-width: 0;
    padding: 14px;
    border-radius: 18px;
    background: #fafafa;
    border: 1px solid #ededed;
}

.bz-feature-card img {
    width: 22px;
    height: 22px;
    flex: 0 0 auto;
}

.bz-feature-card strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.bz-feature-card span {
    display: block;
    color: var(--bz-muted);
    font-size: 11px;
    line-height: 1.4;
}

@media (max-width: 1280px) {
    .bz-login-page {
        grid-template-columns: minmax(0, 1fr) minmax(390px, .92fr);
    }
}

@media (max-width: 1100px) {
    body {
        overflow: auto;
    }

    .bz-login-page {
        min-height: auto;
        grid-template-columns: 1fr;
        overflow: visible;
    }

    .bz-visual-panel {
        min-height: 0;
        padding: 20px 20px 8px;
    }

    .bz-form-panel {
        padding: 28px 22px 30px;
    }
}

@media (max-width: 760px) {
    body {
        overflow: auto;
    }

    .bz-login-page {
        padding: 12px;
    }

    .bz-visual-panel,
    .bz-form-panel {
        border-radius: 20px;
    }

    .bz-visual-panel {
        display: none;
    }

    .bz-mail-float {
        top: 22px;
        right: 18px;
    }

    .bz-login-card h1 {
        font-size: 32px;
    }

    .bz-login-card p {
        font-size: 16px;
        margin-bottom: 28px;
    }

    .bz-feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .bz-form-panel {
        padding: 30px 18px 42px;
    }
}