.login-body {
    min-height: 100vh;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.mail-watermark {
    position: absolute;
    width: min(84vw, 860px);
    height: min(84vw, 860px);
    opacity: 0.1;
    transform: rotate(-18deg);
    right: -120px;
    top: -120px;
    pointer-events: none;
}

.login-card {
    width: min(540px, 100%);
    border: 1px solid var(--line);
    border-radius: calc(var(--radius) + 4px);
    padding: 28px;
    background: var(--panel);
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
    position: relative;
    z-index: 2;
}

.login-head h1 {
    margin: 10px 0 16px;
    font-size: clamp(28px, 4vw, 34px);
    line-height: 1.1;
}

.login-form {
    margin-top: 10px;
}

.password-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
}

.toggle-btn {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--line);
    background: var(--panel-2);
    color: var(--muted);
}

.toggle-btn:hover {
    background: rgba(40, 197, 168, 0.14);
    color: var(--text);
}

.toggle-btn svg {
    width: 20px;
    height: 20px;
}

.toggle-btn .eye-closed {
    display: none;
}

.toggle-btn.is-active .eye-open {
    display: none;
}

.toggle-btn.is-active .eye-closed {
    display: block;
}

.remember-row {
    margin: 4px 0 10px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
}

#resendOtpButton:disabled,
#adminResendOtpButton:disabled {
    background: linear-gradient(135deg, #7b879c, #95a2b8);
    color: #eef3fb;
    border: 1px solid rgba(255, 255, 255, 0.16);
    text-shadow: none;
    filter: none;
    opacity: 0.85;
    cursor: not-allowed;
}

#resendOtpButton:disabled:hover,
#adminResendOtpButton:disabled:hover {
    filter: none;
}

@media (max-width: 640px) {
    .login-card {
        padding: 20px;
    }

    .mail-watermark {
        opacity: 0.08;
        right: -200px;
        top: -140px;
    }
}

@media (prefers-color-scheme: light) {
    body[data-theme="system"] .login-card {
        box-shadow: 0 18px 50px rgba(16, 32, 56, 0.16);
    }
}

body[data-theme="light"] .login-card {
    box-shadow: 0 18px 50px rgba(16, 32, 56, 0.16);
}