:root {
    --login-bg: #edf4f6;
    --login-ink: #123852;
    --login-ink-soft: #587086;
    --login-accent: #f4c95d;
    --login-accent-strong: #0f4c5c;
    --login-surface: rgba(255, 255, 255, 0.86);
    --login-surface-strong: #ffffff;
    --login-border: rgba(18, 56, 82, 0.12);
    --login-shadow: 0 30px 60px rgba(15, 44, 69, 0.16);
    --login-danger-bg: rgba(220, 38, 38, 0.10);
    --login-danger-border: rgba(220, 38, 38, 0.24);
    --login-danger-text: #991b1b;
}

* {
    box-sizing: border-box;
}

body.login-modern-body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--login-ink);
    background:
        radial-gradient(circle at top left, rgba(244, 201, 93, 0.30), transparent 24%),
        radial-gradient(circle at right, rgba(15, 76, 92, 0.18), transparent 26%),
        linear-gradient(180deg, #f7fafc 0%, var(--login-bg) 100%);
}

.login-modern-shell {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 460px);
    align-items: center;
    gap: 28px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 36px 24px;
}

.login-modern-shell::before,
.login-modern-shell::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}

.login-modern-shell::before {
    width: 220px;
    height: 220px;
    inset: 28px auto auto -60px;
    background: rgba(15, 76, 92, 0.10);
    filter: blur(6px);
}

.login-modern-shell::after {
    width: 280px;
    height: 280px;
    inset: auto -70px -70px auto;
    background: rgba(244, 201, 93, 0.18);
    filter: blur(8px);
}

.login-modern-panel {
    position: relative;
    z-index: 1;
}

.login-modern-panel-brand {
    display: grid;
    gap: 22px;
    padding: 20px 12px 20px 6px;
}

.login-modern-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(18, 56, 82, 0.08);
    color: var(--login-ink);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    font-weight: 700;
}

.login-modern-panel-brand h1,
.login-modern-panel-form h2 {
    margin: 0;
    color: var(--login-ink);
}

.login-modern-panel-brand h1 {
    max-width: 520px;
    font-size: clamp(2.5rem, 5vw, 4.4rem);
    line-height: 0.96;
}

.login-modern-panel-brand p,
.login-modern-form-head p {
    margin: 0;
    color: var(--login-ink-soft);
    line-height: 1.7;
}

.login-modern-panel-brand p {
    max-width: 620px;
    font-size: 1rem;
}

.login-modern-highlights {
    display: grid;
    gap: 14px;
    max-width: 620px;
}

.login-modern-highlights article {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 18px 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.56);
    border: 1px solid rgba(255, 255, 255, 0.52);
    box-shadow: 0 18px 34px rgba(15, 44, 69, 0.08);
    backdrop-filter: blur(10px);
}

.login-modern-highlights i {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, #123852 0%, #0f4c5c 100%);
    color: #f8fbff;
    font-size: 1rem;
    box-shadow: 0 14px 24px rgba(15, 44, 69, 0.16);
}

.login-modern-highlights strong,
.login-modern-highlights span {
    display: block;
}

.login-modern-highlights strong {
    margin-bottom: 4px;
    font-size: 1rem;
}

.login-modern-highlights span {
    color: var(--login-ink-soft);
    line-height: 1.6;
}

.login-modern-panel-form {
    padding: 30px;
    border-radius: 28px;
    background: var(--login-surface);
    border: 1px solid var(--login-border);
    box-shadow: var(--login-shadow);
    backdrop-filter: blur(14px);
}

.login-modern-form-head {
    display: grid;
    gap: 10px;
    margin-bottom: 26px;
}

.login-modern-panel-form h2 {
    font-size: 2rem;
}

.login-modern-form {
    display: grid;
    gap: 18px;
}

.login-modern-alert {
    padding: 14px 16px;
    border-radius: 16px;
    background: var(--login-danger-bg);
    border: 1px solid var(--login-danger-border);
    color: var(--login-danger-text);
    font-weight: 600;
}

.login-modern-field {
    display: grid;
    gap: 8px;
}

.login-modern-field span {
    font-size: 0.9rem;
    font-weight: 700;
    color: #274860;
}

.login-modern-input-wrap {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    align-items: center;
    min-height: 58px;
    border-radius: 18px;
    background: var(--login-surface-strong);
    border: 1px solid rgba(18, 56, 82, 0.10);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.login-modern-input-wrap:focus-within {
    border-color: rgba(15, 76, 92, 0.40);
    box-shadow: 0 0 0 4px rgba(15, 76, 92, 0.10);
    transform: translateY(-1px);
}

.login-modern-input-wrap i {
    text-align: center;
    color: #5c7285;
    font-size: 0.95rem;
}

.login-modern-input {
    width: 100%;
    height: 100%;
    border: 0;
    background: transparent;
    padding: 0 18px 0 0;
    font-size: 0.98rem;
    color: var(--login-ink);
    outline: none;
}

.login-modern-input::placeholder {
    color: #8ea0af;
}

.login-modern-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 56px;
    margin-top: 4px;
    border: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--login-accent) 0%, #f0b63a 100%);
    color: #173148;
    font-size: 0.96rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    cursor: pointer;
    box-shadow: 0 22px 30px rgba(240, 182, 58, 0.22);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.login-modern-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 26px 36px rgba(240, 182, 58, 0.28);
    filter: saturate(1.05);
}

.login-modern-help-toggle {
    margin-top: 18px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--login-accent-strong);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
}

.login-modern-help {
    margin-top: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(18, 56, 82, 0.06);
    color: var(--login-ink-soft);
    line-height: 1.6;
}

@media (max-width: 960px) {
    .login-modern-shell {
        grid-template-columns: 1fr;
        gap: 22px;
        padding: 24px 18px 30px;
    }

    .login-modern-panel-brand {
        padding: 0;
    }

    .login-modern-panel-brand h1 {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .login-modern-shell {
        padding: 16px;
    }

    .login-modern-panel-form {
        padding: 22px 18px;
        border-radius: 22px;
    }

    .login-modern-panel-form h2 {
        font-size: 1.6rem;
    }

    .login-modern-highlights article {
        grid-template-columns: 1fr;
    }

    .login-modern-highlights i {
        width: 44px;
        height: 44px;
    }
}