/* ============================================================
   UTR Gate — Modal Registration
   ============================================================ */

#utr-gate-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    visibility: hidden;
}

#utr-gate-modal.utr-gate-modal--visible {
    pointer-events: auto;
    visibility: visible;
}

.utr-gate-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

#utr-gate-modal.utr-gate-modal--visible .utr-gate-modal__overlay {
    opacity: 1;
}

.utr-gate-modal__box {
    position: relative;
    z-index: 1;
    background: #fff;
    border-radius: 12px;
    padding: 2.5rem 2rem 2rem;
    width: min(92vw, 440px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
    transform: translateY(24px) scale(0.97);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.3s ease;
}

#utr-gate-modal.utr-gate-modal--visible .utr-gate-modal__box {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.utr-gate-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: #666;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: color 0.2s ease, background 0.2s ease;
}

.utr-gate-modal__close:hover,
.utr-gate-modal__close:focus-visible {
    color: #111;
    background: #f0f0f0;
    outline: none;
}

.utr-gate-modal__header {
    margin-bottom: 1.5rem;
}

.utr-gate-modal__title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 0.4rem;
    color: #111;
}

.utr-gate-modal__sub {
    font-size: 0.9rem;
    color: #555;
    margin: 0;
    line-height: 1.5;
}

.utr-gate-modal__form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.utr-gate-modal__field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.utr-gate-modal__field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #333;
}

.utr-gate-modal__field input {
    border: 1.5px solid #ddd;
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
    color: #111;
    background: #fafafa;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.utr-gate-modal__field input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    background: #fff;
}

.utr-gate-modal__error {
    font-size: 0.85rem;
    color: #dc2626;
    margin: 0;
    min-height: 1.2em;
}

.utr-gate-modal__submit {
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
    margin-top: 0.25rem;
}

.utr-gate-modal__submit:hover,
.utr-gate-modal__submit:focus-visible {
    background: #1d4ed8;
    outline: none;
}

.utr-gate-modal__submit:active {
    transform: scale(0.98);
}

.utr-gate-modal__note {
    font-size: 0.78rem;
    color: #888;
    margin: 1rem 0 0;
    text-align: center;
    line-height: 1.4;
}

@media (max-width: 480px) {
    .utr-gate-modal__box {
        padding: 2rem 1.25rem 1.5rem;
    }

    .utr-gate-modal__title {
        font-size: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .utr-gate-modal__overlay,
    .utr-gate-modal__box {
        transition: none;
    }
}