.user-modal {
    --modal-bg: #00253A;
    --modal-border: rgba(255, 255, 255, .08);
    --modal-radius: 18px;
    --modal-label: rgba(255, 255, 255, .72);
    --modal-input-bg: rgba(255, 255, 255, .06);
    --modal-input-border: rgba(255, 255, 255, .16);
    --modal-input-focus: #2BD08F;
    --modal-chip-bg: rgba(43, 208, 143, .12);
    --modal-chip-color: #2BD08F;
}

.user-modal .modal-content {
    background: var(--modal-bg);
    border: 1px solid var(--modal-border);
    border-radius: var(--modal-radius);
    box-shadow: 0 18px 45px rgba(0, 0, 0, .35);
    overflow: hidden;
}

.user-modal .modal-header,
.user-modal .modal-footer {
    border: 0;
    background: rgba(0, 0, 0, .1);
}

.user-modal__title {
    font-weight: 700;
    font-size: 1.25rem;
}

.user-modal__label {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--modal-label);
    font-weight: 600;
    font-size: .95rem;
}

.user-modal__label::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--modal-input-focus);
}

.user-modal .form-control,
.user-modal .form-select {
    background: var(--modal-input-bg);
    border: 1px solid var(--modal-input-border);
    color: #FFFFFF;
    border-radius: 12px;
    padding: .65rem .85rem;
}

.user-modal .form-control:focus,
.user-modal .form-select:focus {
    border-color: var(--modal-input-focus);
    box-shadow: 0 0 0 .15rem rgba(43, 208, 143, .2);
    background: rgba(255, 255, 255, .08);
}

.user-modal__section-title {
    font-size: .9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: rgba(255, 255, 255, .45);
    margin-bottom: .75rem;
}

.user-modal__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 14px;
    padding: .65rem 1rem;
    margin-bottom: .75rem;
    gap: 1rem;
}

.user-modal__hint {
    color: rgba(255, 255, 255, .48);
    font-size: .8rem;
}

.user-modal__courses {
    background: rgba(255, 255, 255, .04);
    border-radius: 14px;
    padding: .75rem;
    max-height: 220px;
    overflow-y: auto;
}

.user-modal__course {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 12px;
    padding: .55rem .9rem;
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    transition: all .2s ease;
    color: rgba(255, 255, 255, .85);
    cursor: pointer;
    width: 100%;
}

.user-modal__course-input {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin: 0;
    margin-right: .75rem;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, .6);
    border-radius: 4px;
    background: transparent;
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: border-color .15s ease, background-color .15s ease;
}

.user-modal__course-input:focus-visible {
    outline: 2px solid rgba(255, 157, 77, .55);
    outline-offset: 2px;
}

.user-modal__course-input:checked {
    background-color: #FF9D4D;
    border-color: #FF9D4D;
}

.user-modal__course-input::after {
    content: '';
    width: 4px;
    height: 8px;
    border-right: 2px solid #FFFFFF;
    border-bottom: 2px solid #FFFFFF;
    transform: rotate(45deg) scale(0);
    transform-origin: bottom left;
    transition: transform .12s ease;
}

.user-modal__course-input:checked::after {
    transform: rotate(45deg) scale(1);
}

.user-modal__course-label {
    font-size: .85rem;
    transition: color .2s ease, font-weight .2s ease;
}

.user-modal__chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--modal-chip-bg);
    color: var(--modal-chip-color);
    border-radius: 999px;
    padding: .25rem .75rem;
    font-size: .8rem;
    font-weight: 600;
}

.user-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: .75rem;
}

.user-modal__footer .btn {
    min-width: 140px;
    border-radius: 999px;
    font-weight: 600;
}

@media (max-width: 480px) {
    .user-modal .modal-dialog {
        margin: 1rem;
    }
    .user-modal .modal-content {
        border-radius: 16px;
    }
}