.dut-login {
    --dut-login-ink: #14233a;
    --dut-login-muted: #5b6b7f;
    --dut-login-accent: #0b6e6a;
    --dut-login-accent-hover: #095955;
    --dut-login-surface: rgba(255, 255, 255, 0.92);
    --dut-login-border: rgba(20, 35, 58, 0.12);
    --dut-login-danger: #9b2c2c;
    --dut-login-danger-bg: #fdecec;
    --dut-login-info-bg: #e8f3f2;
    --dut-login-radius: 18px;
    --dut-login-shadow: 0 24px 60px rgba(20, 35, 58, 0.12);
    --dut-login-btn-primary-bg: #111111;
    --dut-login-btn-primary-hover: #2a2a2a;
    --dut-login-btn-primary-text: #ffffff;
    --dut-login-btn-secondary-bg: #ffffff;
    --dut-login-btn-secondary-text: #111111;
    --dut-login-btn-secondary-border: #111111;
    --dut-login-btn-radius: 8px;

    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    font-family: "Source Sans 3", "Segoe UI", sans-serif;
    color: var(--dut-login-ink);
}

.dut-login button,
.dut-login input[type="submit"],
.dut-login input[type="button"] {
    -webkit-appearance: none;
    appearance: none;
}

.dut-login__panel {
    position: relative;
    overflow: hidden;
    padding: 2rem 1.75rem 1.75rem;
    border: 1px solid var(--dut-login-border);
    border-radius: var(--dut-login-radius);
    background:
        radial-gradient(120% 80% at 100% 0%, rgba(11, 110, 106, 0.12), transparent 55%),
        linear-gradient(180deg, #f7fafb 0%, var(--dut-login-surface) 45%, #ffffff 100%);
    box-shadow: var(--dut-login-shadow);
}

.dut-login__panel::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0b6e6a, #1f8a84 55%, #c4a35a);
}

.dut-login__header {
    margin-bottom: 1.5rem;
}

.dut-login__eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dut-login-accent);
}

.dut-login__title {
    margin: 0 0 0.4rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(1.75rem, 4vw, 2.1rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.dut-login__subtitle,
.dut-login__user {
    margin: 0;
    color: var(--dut-login-muted);
    font-size: 0.98rem;
    line-height: 1.45;
}

.dut-login__user {
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--dut-login-ink);
}

.dut-login__notice {
    margin-bottom: 1rem;
    padding: 0.8rem 0.95rem;
    border-radius: 12px;
    font-size: 0.92rem;
    line-height: 1.4;
}

.dut-login__notice[hidden] {
    display: none;
}

.dut-login__notice--error {
    background: var(--dut-login-danger-bg);
    color: var(--dut-login-danger);
}

.dut-login__notice--info,
.dut-login__status--info {
    background: var(--dut-login-info-bg);
    color: var(--dut-login-accent);
}

.dut-login__step[hidden] {
    display: none;
}

.dut-login__label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.86rem;
    font-weight: 600;
}

.dut-login__input {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--dut-login-border);
    border-radius: 12px;
    background: #fff;
    color: var(--dut-login-ink);
    font: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dut-login__input:focus {
    outline: none;
    border-color: rgba(11, 110, 106, 0.55);
    box-shadow: 0 0 0 4px rgba(11, 110, 106, 0.12);
}

.dut-login .dut-login__button,
.dut-login button.dut-login__button,
.dut-login a.dut-login__button,
.dut-login input.dut-login__button {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 48px;
    padding: 0.85rem 1.1rem !important;
    border: 1px solid var(--dut-login-btn-primary-bg) !important;
    border-radius: var(--dut-login-btn-radius) !important;
    background: var(--dut-login-btn-primary-bg) !important;
    background-color: var(--dut-login-btn-primary-bg) !important;
    color: var(--dut-login-btn-primary-text) !important;
    box-shadow: none !important;
    font-family: inherit !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    letter-spacing: normal !important;
    text-align: center !important;
    text-decoration: none !important;
    text-transform: none !important;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.dut-login .dut-login__button:hover,
.dut-login button.dut-login__button:hover,
.dut-login a.dut-login__button:hover,
.dut-login input.dut-login__button:hover,
.dut-login .dut-login__button:focus-visible,
.dut-login button.dut-login__button:focus-visible,
.dut-login a.dut-login__button:focus-visible {
    background: var(--dut-login-btn-primary-hover) !important;
    background-color: var(--dut-login-btn-primary-hover) !important;
    border-color: var(--dut-login-btn-primary-hover) !important;
    color: var(--dut-login-btn-primary-text) !important;
    outline: none;
}

.dut-login .dut-login__button:active,
.dut-login button.dut-login__button:active,
.dut-login a.dut-login__button:active {
    transform: translateY(1px);
}

.dut-login .dut-login__button.is-loading,
.dut-login button.dut-login__button.is-loading {
    opacity: 0.72;
    pointer-events: none;
}

.dut-login .dut-login__link,
.dut-login button.dut-login__link {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 48px;
    margin-top: 0.85rem;
    padding: 0.85rem 1.1rem !important;
    border: 1px solid var(--dut-login-btn-secondary-border) !important;
    border-radius: var(--dut-login-btn-radius) !important;
    background: var(--dut-login-btn-secondary-bg) !important;
    background-color: var(--dut-login-btn-secondary-bg) !important;
    color: var(--dut-login-btn-secondary-text) !important;
    box-shadow: none !important;
    font-family: inherit !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    text-align: center !important;
    text-decoration: none !important;
    text-transform: none !important;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.dut-login .dut-login__link:hover,
.dut-login button.dut-login__link:hover,
.dut-login .dut-login__link:focus-visible,
.dut-login button.dut-login__link:focus-visible {
    background: #f5f5f5 !important;
    background-color: #f5f5f5 !important;
    border-color: var(--dut-login-btn-secondary-border) !important;
    color: var(--dut-login-btn-secondary-text) !important;
    outline: none;
}

.dut-login__step.is-active .dut-login__input {
    animation: dut-login-fade-up 0.28s ease;
}

@keyframes dut-login-fade-up {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .dut-login__panel {
        padding: 1.5rem 1.2rem 1.25rem;
    }
}